20 replies to this topic

[philc]

Oh i thought the sportspack were qute high power, but maybe not then!
I find on my 998 that the ratio's between 3rd and 4th are a bit far apart but that may just be because its pretty low on power.
Yeah true enough, i suppose if you are giving it the beans its not going to come off cam between changes so it shouldnt struggle.
when it "comes on cam" is it a noticeable jolt of power or is it progressive?
Philc what spec is your engine? is it a large bore?
Jonspeed isnt that far away fro me, only nuneaton and i thought they were mini specialists but i think you are better going to somewhere that somebody has recomended rather than just picked out of the phonebook. does anyone know anywhere that sells these piston rings with overlap that are sutiable with A.E pistons.
yeah will prob get a x pin diff

cheers again.

mine is 1380, 37x31 valves, 1.5 high lift rockers, vp3c cam, 45 weber 36 chokes, 3.5 aux choke, 1 3/4 exhaust, drops and 4 scc with quaife lsd 3.4 diff, if i played around with it a bit more by checking compression i may get a little more but have just had it setup so i am going to leave well alone for a bit. oh megajolt ignition.
My advice would be get a budget and stick to it, other wise you will spend loads.
Just cause they are mini specialist means nowt, find someone who can take their time with it, and not do a friday afternoon jobby

Edited by philc, 25 November 2008 - 08:48 PM.

[rozzer1275]

1/4mile depends on a lot, with 120hp and the seats out, on SPi box and 13" wheels, i was getting 15.4 at the pod and 15.0 on the road. so with 100hp could be looking at a guess 16.5 but a lot better with the weight out/small fat wheels/closer gearing etc

[philc]

1/4mile depends on a lot, with 120hp and the seats out, on SPi box and 13" wheels, i was getting 15.4 at the pod and 15.0 on the road. so with 100hp could be looking at a guess 16.5 but a lot better with the weight out/small fat wheels/closer gearing etc

my 1/4 mile is 15.3

[Mini_city10]

Im probrably going to be running a standard A+ gearbox unless i can get my hands on a better one for a good price.
What sort of power will i be loosing through the standard drops?
Am currently running standardish weight, driver ability o.k. (but hey im biased) lol running 165 falken tyres on a 6x12 alloy, standard final drive bu im am thinking about swaping it for a longer final drive. do you think it will pull a longer one as i hate hearing it sitting at 4,000 rpm or something silly on the motorway (I dont like to rev cars too high it scares me lol), but for arguments sake what do you think it will be safe to rev to?
Yeah will look out for the valve springs binding it was alright though, do you think its worth fitting new springs?
yeah i did a search and found that the 286 was about right for this engine, as some people seem to think that the sw5 may be a bit mild on a 1330 want it to be brisk but not unuseable on the road what does the crane vp3c drive like as i havnt heard of them before.
Sorry but what do you mean by piston rings that overlap? surly i will just have to fit the rings that are the right ones for my pistons, somebody said somthing to me about stepped rings, and that you should fit these to engines when rebuliding when they have not been reboredbecause i cant find any anywhere, do they exist?
cheers again

Well in my bro's old cooper mpi he had a stage 4 racing head on it and 1.5 highy lift rockers, thats all nothing compared to what your doing. WE used to take it into the red everytime so in 3rd it would bounce off the limiter at 90mph so that was fun. My 998 with a stage 1 kit goes off the dial and thats screaming!! So i would change gear at 6000 rpm!! up to you tho, dont be scared it should have a limiter on it!!

[bmcecosse]

A 544 cam is excellent (any 286 copy will do too) - but DO NOT use the high ratio rockers with it. Generally no need for new cam bearings (unless the engine was run with no oil and seized??) - but do fit new cam followers. Vizardise the carbs - and get a decent inlet manifold - like a Weber manifold - with no cross pipe and nice long tapered runners.

[Ouster]

Here's what I'm getting out of my 1330:



Spec:
1330cc block
HIF44
Standard stage 1 stuff, 1.75" exhaust
'Stage 5' inlet and outlets (37mm/31mm)
Cooper s double valve springs
1.5:1 roller rockers
Power max pistons
Lightened con rods
Lightened / balanced crank-flywheel-clutch
Kent 276 cam
Standard rebuilt gearbox with unknown final drive and central oil pickup line / x pin diff

Gets 90 at the fly which is plenty for me as the car is a daily driver.