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Minifinity The Classic Mini Forum and Resource | • View topic - Our Personal Cam Opinions

Our Personal Cam Opinions

tuning, repairs, servicing & maintenance

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Postby pirate » Tue 4th Sep 2007, 10:15pm

any sugestions on what cam i should go for on a 998? its stage 1, but i will most likely want to change the head at the same time. ta
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Postby ShaunB » Tue 4th Sep 2007, 11:32pm

I have a 998 with stage 1 kit and skimmed '295 head. I've just fitted a MG Metro cam and 5Kg flywheel and am quite impressed with the results. Before it used to get a bit asthmatic over 4.5K but it now it's happy to rev out and I can feel that the torque is up everywhere from 2k upwards.
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Postby l_jonez » Wed 26th Sep 2007, 10:34pm

has any 1 tried the sw5-07 yet?
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Postby Schizzo » Thu 11th Oct 2007, 09:36pm

im running a 1293cc with a stage 3 head,lcb and rc40 system. Getting a hif44 soon. Would the morspeed phase 3 cam work with my setup? i need it driveable as its my daily drive
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Postby alloying » Thu 11th Oct 2007, 11:39pm

TBH, have two mates, both with virtually identical engines (1380), one had the phase 3 cam and the other one had a 286. From being a passenger in both, I'D much rather have the 286. It goes like a rhubarbing rocket over the phase 3!!!!!!

However since you want driveability, maybe go with a phase 2. The phase 3 was still very lumpy and sluggish at idle and off cam respectively.

My 2 cents.

Also, the piper 270 and phase 3 cams are next to useless in 998's. No power till 4,500 revs and it was bye bye headgasket every 2 months...
Last edited by alloying on Fri 12th Oct 2007, 08:40pm, edited 1 time in total.
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Postby JetBLICK » Fri 12th Oct 2007, 01:14am

^ pansy.... i had a 286 in mine (998) went like stink after 4000rpm all the way to 8000! :P imense lack of torque tho, pulled 8k in 1st + 2nd, 7k in 3rd and struggled to 6.5 in 4th :lol:
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Postby Schizzo » Fri 12th Oct 2007, 06:07am

Shabs from morspeed advised me on the phase 3 cam. Specs on site is that it idles at 1000rpm and power starts from 1800rpm to 7000rpm. Im not looking for a high revving cam, im looking for something that will give me power from pull away as i hardly ever go above 5000rpm
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Postby alloying » Fri 12th Oct 2007, 08:42pm

Might be worth looking at the phase 2 or SW5.

BTW, the 1380 with the phase 3 cam I was on about was fully built by morspeed. It was very lumpy and would not idle under 1200 revs, even with the engine temp at normal.
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Postby Schizzo » Fri 12th Oct 2007, 10:07pm

Damn okay, i was looking at a sw05 cam but cant find specs anywhere. Thats when shabs recommended ph2 or ph3. Ph2 is very torqy, 1500rpm to 6000rpm
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Morspeed Ph3

Postby Castellaro » Thu 18th Oct 2007, 08:38pm

Schizzo wrote:Damn okay, i was looking at a sw05 cam but cant find specs anywhere. Thats when shabs recommended ph2 or ph3. Ph2 is very torqy, 1500rpm to 6000rpm


Hi have the ph3 cam and it's very nice. Not lumpy and pulls from 2000-2500 Rpm. You don't need to rev so high to get power. It feels very good.
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RE: Morspeed Ph3

Postby titidelille » Fri 19th Oct 2007, 07:45am

yes the trackday cam, is very good. I had one on my 1275 and it was wonderfull. nice idle and climb in the revs easily. I prefer this one to the 286.

today I build a 1362 and once again I fit a trackday cam
for the phase 2 , I read somewhere that it is one of the best cam in this category.

the other thing important in a engine it's not only the camshaft but also the cylinder head and the cr.
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RE: Morspeed Ph3

Postby ham » Thu 25th Oct 2007, 07:31am

what cam do you guys reccomend in a 1300GT engine its been bore .30 thou got 1300 bmc pistons think it comes factory with the 1.5 rockers.
i got a cam off the net didnt come with the profile tho. its got a K stamped on it and a 5 and 2 also an A
there pretty hard to read if its a kent 529 can you get it re ground to more of a fast road cam or you reckon i should try and swap it? its brand new. can anyone tell me what it is?
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Postby alpa998A+ » Mon 3rd Mar 2008, 05:51pm

Here are profiles I measured on the 99HA, MD256 and SW5 cams.

My current freshly rebuilt 998+ has SW5 and pulls very well from 1000 to 6000, however the max power is reached at 4000 RPM and then stays constant. This may be due to friction losses of a fresh engine, in the beginning it was dying from 3000 RPM.
40hp @ 4000 with a HS4 carb, AAC needle

Image
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Re: RE: Morspeed Ph3

Postby nightrain » Tue 4th Mar 2008, 12:00am

ham wrote:what cam do you guys reccomend in a 1300GT engine its been bore .30 thou got 1300 bmc pistons think it comes factory with the 1.5 rockers.
i got a cam off the net didnt come with the profile tho. its got a K stamped on it and a 5 and 2 also an A
there pretty hard to read if its a kent 529 can you get it re ground to more of a fast road cam or you reckon i should try and swap it? its brand new. can anyone tell me what it is?


Looks like a Minisport re-profiled cam.
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Re: Our Personal Cam Opinions

Postby Minaparp » Tue 11th Mar 2008, 11:29pm

hi what end do i need on a cam for a 1275gt engine i have a 286 kentcam with the end which is round with 3 dots around the edge is this right?
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Re: Our Personal Cam Opinions

Postby nightrain » Wed 12th Mar 2008, 01:20am

You need a spider drive oil pump to use that cam.
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Re:

Postby Squidge » Wed 21st May 2008, 09:30pm

alloying wrote:Might be worth looking at the phase 2 or SW5.

BTW, the 1380 with the phase 3 cam I was on about was fully built by morspeed. It was very lumpy and would not idle under 1200 revs, even with the engine temp at normal.



Yeah that 1380 was mine, didn't last long tho! I had a morspeed 1030 engine with a ph3 in. It was really good fun when you could open it up but was rubbish in traffic and was the most unreliable engine i've had, besides that 1380.

Using a MED 1380 these days with their XT cam, that goes really nicely, 96lb at 5k and 113bhp at just over 7k. Still surprisingly drivable down to 2k in traffic even with 1.5 rockers and a 45 DCOE. Really gets going past 4000 all the way past 7200 so you can really have fun with it.

Looking at going to a AGSP 300 scatter next so if anyone has any experiences of it i would welcome your opinions.
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Re: Re:

Postby Anton » Thu 22nd May 2008, 09:23am

Squidge wrote:
Looking at going to a AGSP 300 scatter next so if anyone has any experiences of it i would welcome your opinions.



yes yes do it...tis a great cam.. i have run it for 2 years now and love it... with mapped ignition it drivable in traffic (i used to drive into Birmingham city centre every day) but at 3.5k-4 its goes a bit mental..

Needs a good head and a DCOE.. I drove mine mainly on a 1293, but if performed better on a my 1380.
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Re: Our Personal Cam Opinions

Postby Squidge » Fri 23rd May 2008, 05:14pm

That sounds perfect to me then, i'm using an MED type R 1380 with a 45 DCOE anyways so the head and carb are more than good enough.

Just about to have the engine uprated with their roller bearing S/C transfer gears, a SC CR race gearox and the dry deck kit for the head so it seemed right to put a 300 scatter cam in at the same time! Probably a bit race orientated for the road but what the hell eh!
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Re: Our Personal Cam Opinions

Postby sam walters » Thu 25th Jun 2009, 01:31pm

Kent Cams 296sp. Ace cam used in a daily and driven through town most days. Dident have a problem but 4000 miles later and my cams worn as much as my bores. Scrap bin now.

Will be trying the piper bp320 next ill let you know how that goes.
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Re: Our Personal Cam Opinions

Postby Deano » Wed 22nd Jul 2009, 10:31pm

Now got 2500 miles on my 1380 (in a Midget).

Morspeed Ph3 (Aldon yellow dizzy, 1:1.5 rockers, balanced fly+crank, HIF44) and it idles happily at 800 and perfectly smoothly at 1000. Pulls happily to 6700 (still pulling but fear of big bills kicks in - I dont have a centre main strap). Fantastic fun.
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Re: Our Personal Cam Opinions

Postby nightrain » Thu 23rd Jul 2009, 12:46am

Deano wrote:idles happily at 800


Bit low that deano, setting the idle this low will give the cam a hard time !
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Re: Our Personal Cam Opinions

Postby Deano » Thu 23rd Jul 2009, 11:24pm

I run it @ 1000 nominal ....but it will run @ 800. In practice it can vary betwen about 900 and 1200 depending on the temp etc.
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Re: Our Personal Cam Opinions

Postby sam walters » Wed 29th Jul 2009, 05:06pm

nightrain wrote:
Deano wrote:idles happily at 800


Bit low that deano, setting the idle this low will give the cam a hard time !


Please elaborate :?
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Re: Our Personal Cam Opinions

Postby nightrain » Thu 30th Jul 2009, 01:18am

sam walters wrote:Please elaborate :?


Well think about what happens at low idle speeds, particularly the engines oil pressure.
The cam and followers are under a lot of pressure and where there is a lot of pressure on 2 sliding surfaces there will be loads of friction. To counteract this friction the cam & followers need to be getting a lot of oil and this doesn't happen at low idle speeds.
The situation only gets worse if you've fitted a uprated cam, that causes an uneven idle speed !
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Re: Our Personal Cam Opinions

Postby RikWalsh » Mon 17th Aug 2009, 08:33pm

Thinking of binning the minisport fast road cam.. Any suggestions for an upgrade?....

Spec:

998a (not a+), flat top HC pistons, sgt3 head, HIF44....

Cheers,



Rik
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Re: Our Personal Cam Opinions

Postby the wing commander » Tue 6th Apr 2010, 09:08am

I don't see much talk about a 266 cam. I have a 266 cam in my 1293 engine, Omega pistons, balanced, toughened crank, centre main strap, vernier duplex timing chain, Stage 3 Rob Walker head, HIF44, Aldon yellow dizzie, Flamethrower coil. Verto clutch, not lightened. The gearbox has a 3.2 diff. Well, this was on the rollers a few months ago and managed 84bhp. It has great torque, and pulls from low down. I do not rev it beyond 6500, but I do long distances in this car, and it delivers great power. I have towed a trailer (mini based) at pretty high speed, and have even towed a caravan with my car.

http://s3.photobucket.com/albums/y93/mi ... v&newest=1

I also ran a 1275GT 1293 engine/gearbox combination, with Omega pistons, SW5 cam, Slark Stage 3 head, Bestek distributor and coil pack set up, vernier duplex timing chain, non verto, lightened flywheel and backplate. This engine felt more powerful thanks to the closer ratios of the GT gearbox and a 3.44 diff, but was producing only 80bhp. Still very useable power though.

I don't think fitting wild cams for a road car is very sensible. Of course, if you intend to use it just for track days, and don't mind rebuilding your engine quite regularly, then go for it. Revving 1275 units beyond 6500, even balanced engines, is not a recipe for longevity. Mind you, I have been "unlucky" with engines, not my fault of course!
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Re: Our Personal Cam Opinions

Postby dannoodle » Tue 6th Apr 2010, 06:08pm

the wing commander wrote:I don't see much talk about a 266 cam. I have a 266 cam in my 1293 engine, Omega pistons, balanced, toughened crank, centre main strap, vernier duplex timing chain, Stage 3 Rob Walker head, HIF44, Aldon yellow dizzie, Flamethrower coil. Verto clutch, not lightened. The gearbox has a 3.2 diff. Well, this was on the rollers a few months ago and managed 84bhp. It has great torque, and pulls from low down. I do not rev it beyond 6500, but I do long distances in this car, and it delivers great power. I have towed a trailer (mini based) at pretty high speed, and have even towed a caravan with my car.

http://s3.photobucket.com/albums/y93/mi ... v&newest=1

I also ran a 1275GT 1293 engine/gearbox combination, with Omega pistons, SW5 cam, Slark Stage 3 head, Bestek distributor and coil pack set up, vernier duplex timing chain, non verto, lightened flywheel and backplate. This engine felt more powerful thanks to the closer ratios of the GT gearbox and a 3.44 diff, but was producing only 80bhp. Still very useable power though.

I don't think fitting wild cams for a road car is very sensible. Of course, if you intend to use it just for track days, and don't mind rebuilding your engine quite regularly, then go for it. Revving 1275 units beyond 6500, even balanced engines, is not a recipe for longevity. Mind you, I have been "unlucky" with engines, not my fault of course!


both cams being akin to the MG metro one (especially the 266(just a bit cleaner) and the SW5 being the modern day equivalent(in terms of power))

I am of the same opinion with "wild" cams, but hey, its all down to the build quality and the driver
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Re: Our Personal Cam Opinions

Postby MrMoo » Fri 9th Sep 2011, 04:23pm

when i got my mini it had a minisport 544 profile (im guessing the was a kent 544 reproduction).
on 1293 it pulled well but i wasnt overly impressed. I then fitted a 286 4deg advanced and it put out 95 hp and 105 lb ft of torque. I copied the timings but extended the exhaust and ground a new cam on a polydyne profile and saw 130 hp timed 2 deg advanced. very lumpy. I was thinking about using a 310 scatter with the polydyne profile and pushing the c/r up to 12:1 but access and time are always against me... its either that and be happy with what ive got from the a-series, record the noise it makes and fit a ford probe v6 (reworked) or m old fiesta mk1 xflow turbo engine in the back....

i need more space for more minis
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Re: Our Personal Cam Opinions

Postby Alex Gibson » Mon 24th Oct 2011, 09:47pm

Hi All,
I have started to gather parts for my race car engine (1330 full race)
Mr Vizard recommends a 649 cam in this book. But as the book is now a good few years old is there a more modern cam or does anyone have a better recommendation ?

(This engine will be used on the road very little)

Cheers, Alex
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Re: Our Personal Cam Opinions

Postby cooperS » Sat 10th Dec 2011, 11:59am

Hi All

need info regarding this particular camshaft, anybody?

Image


the only description is that URSP stamp on......


hope you can help me!
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Re: Our Personal Cam Opinions

Postby jim » Thu 15th Dec 2011, 09:04pm

URSP is an MED cam. It is wild (race use).
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Re: Our Personal Cam Opinions

Postby cooperS » Sun 25th Dec 2011, 02:01pm

Hi Jim

thanks for reply, somebody got the timing figures for this cam?


merry christmas to all!!!!
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Re: Our Personal Cam Opinions

Postby scott6058 » Tue 3rd Apr 2012, 05:20pm

I need some advise as I finally found what looked to be in excellent condition MG Metro Cam.

Sadly my engine builder sent me this note :(

You can tell your guy I miked the lobes and found the #3 exhaust short by .003 and the #4 intake lobe short by .0025 all others miked exactly as expected.

Am I fooling myself if I were to use this cam? Does anyone know if it past the hardness stage and will accellorate the wear?

This just a road car 1071cc vintage restoration.

Thanks Scott
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Re: Our Personal Cam Opinions

Postby Alex Gibson » Sat 21st Apr 2012, 08:33pm

Anyone tryed a SW310-SP Race camshaft in a 1380 race engine?
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Re: Our Personal Cam Opinions

Postby roshane » Thu 31st May 2012, 04:08pm

Hi Guys

I found what AC claimed to be a very rare version of the 997 cooper cam(2A948) in A+ slot drive form.

http://www.mlmotorsport.com/forum/index.php?topic=11.0

Been reading that its pretty sw5ish with 1.3:1 rockers but confused if i should choose an MG metro cam with the same 1.3 rockers over it. I'd be running a 35.7 X 29 Mg metro head on 1310 cc. Planning to go with the standard 8.8 pistons because the regular fuel available is 91 octane. What do you guys think on compression? Should I go higher? Would the lower compression kill the power that much?

What I want is a good spread of power and torque and be able to get off the line fast. Top end power isnt a priority because I'd prefer to get to 100 km first and then take it easy from there. Given the choice of cam between MG metro and the 948 what would you guys choose?

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Re: Our Personal Cam Opinions

Postby ACDodd » Sun 12th Aug 2012, 09:39am

With a low compression build you need to keep the overlap lift small. Out of the 2 cams you would get a better response form the engine wwith the 997 cam mentioned above as it only has 0.0348" of overlap lift. Better still would be my own ACD - RT at 0.0385" or the SW5-07 also at 0.0385". These last 2 cams have the magic ingredient for broad power band. That is low overlap lift coupled with high lobe lift.

AC
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Re: Our Personal Cam Opinions

Postby stoppy » Wed 22nd Aug 2012, 08:29pm

hi all,

a quick question ive got a 1980 1275gt clubman with a stage one kit and a race head i am wondering what cam is best for the engine?(head specs http://www.minifinity.com/forum/viewtopic.php?f=186&t=92476)

Cheers

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Re: Our Personal Cam Opinions

Postby Zippyrude » Wed 22nd Aug 2012, 10:06pm

stoppy wrote:hi all,

a quick question ive got a 1980 1275gt clubman with a stage one kit and a race head i am wondering what cam is best for the engine?(head specs http://www.minifinity.com/forum/viewtopic.php?f=186&t=92476)

Cheers

Stoppy

As per your thread, you need to establish your requirements nd getv cam to suit, not the other way round. Eg with a race head youd be inclined to get a race cam, but you wont be able to drive it comfortably in traffic, it wont last long, and the setup will be different to a road car. If you drive in traffic itvwill be an ache and youll have to rev it to pull away and rebuild it every few thousand miles - is that what you want? Post your views on your thread ;)
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Re:

Postby dusky » Wed 5th Feb 2014, 07:23am

Mr_Ed wrote:I agree with you there, indeed the 544 has a duration of 288/288 which was prone to making it a little lumpy but on the whole the cam was an excellent choice for rallying.

Web monkeys figures are correct for the Kent version of the trusty 544.
What they did was iron out a little of the lumpyness which made it nicer to use on the road but not quite as good as their 286, which the original 544 used to walk all over.

This is why the 286 is such a good seller over their 544 version. If you however tried a correctly set up ORIGINAL 544, you would never go back to a 286.

The 649 also went the same way in their version.

If anyone out there has the originals in good condition then my advice is to keep hold of them. Theyre like gold dust and worth every penny of what you could pay for them nowadays.

The SW5/5i and SW10 have kinda had the same treatment that kent did to the original 544 and 649 (but with different cams of course, and this is preciasely what makes the SW5/5i and SW10 so popular)

Glyn Swift doesnt like releasing the figures on these cams because of other people copying them and therefore not developing their own product properly. Personally i dont blame swifty at all. All i know is that he has a fantastic product at a great price (even better if you buy the kits !) and i wish him all the best, but if you want a good comparrison to the SW5 then look at the old 948 cam and then think about making it a little more user friendly for the modern day , and the 649 is not too different from the SW10 but the SW10 is again a little more user friendly at idle and "Town RPM"

All the best,
Steve Ed


Hmmm, had a genuine 544 / aeg 643 for sale, but no one was interested :p
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