i've got a 1310 engine sitting at home on a pretty decent gearbox and i want to boost it. i need to know what i would have to do to it if i was to run somewhere between 6 and 8 pound boost? also me and my brother a knocking up a turbo setup for one of the 998 engines i have just as an experiment.

what i want to know is if its a good idea to SC the 1310? would it require a rebuild? the motor was in good nick until the oil pump decided to go through my old gearbox. spent 1600 bucks getting the crank reground and all that other stuff that goes along with this, also got a new gearbox.

would this be able to put up with 7psi or should i just be happy with the 1310 and try the turbo setup on the 998 engine that i have(that i know is in good nick)

if i was to do the SC install i would be getting the kit from link (maybe) has anyone used one of these? whereas the turbo is probably going to come off an old diesel ute.

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1962 850,Frog

6 for one, 1/2 a dozen the other
Depending on your compression ratio in the 1310 a SC with 5-8psi could work well(obviously if it was built exactly for a SC it would be better/make more power but IMO it would still be fine).
With the 998 a turbo could be bit of fun and in the end it could end up being cheaper as the engine has cost you a heap less to start off with, but a turbo setup may be more expensive than a SC setup (but I think the link setup's are a bit pricey, but you get what you pay for).
The blown 998 may still have less power than the na 1310.
Each setup will have pros and cons, it depends on what your after.

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Respect mine and I'll respect yours.

i have only recently got my now 1275 blown back on the road and can say its a hell of alot of fun and incredible to drive if your out in the western suburbs or planning on heading out this way i can show you what i mean, im running Bens SC12 kit at about 5-8 psi. had no problems and link tuned mine up beautifully. if you want to contact Ben about his kits his user id is 92

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Enjoy Chris

what do you want to use the car for?

this car was originally intended as my daily driver, but i've gone a little too far for that now, become a weekend warrior, cruising around and somthing to empty my bank acount.

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1962 850,Frog

if you want to go proper quick, boosted bigblock.

metro turbo setup or link s/c kit if you can afford it, otherwise ben's sc-12 s/c kit is best bang for buck.

starlet turbo if you've got time and $

Blown 1310 is good fun. Also you don't need to thrash the crap out of it to have fun, power right through the rev range. However, there's nothing stoping you from pulling 7 grand but you don't need to.

If the 1310 is good, for longevitiy, just leave it and be happy. But if you want more grunt then go for it.

If you go the Link kit, go talk to them about the motor. If you are going to spend that much money I'm sure they'd give some advice.

To put a personal edge on this. My 1330, is fairly stock, has an approx. compression ratio of 9.0-9.4:1 (not exactly sure of the dish on my pistons, but its fairly large!). It worked well for a while then the idler gear bearing went, cost me a lot to fix as other damage was done but was going to happen regardless of blower, just happened earlier I think. Nowadays it blows a fair bit of smoke at idle and on deceleration and if a breather is blocked it tends to blow oil out another. I'd say if the car wasn't blown this would have never happened. But am I complaining? No, I'm happy but I should get a Mini mechanic to have a look at it sometime....

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1964 Morris 850, 1330 Supercharged - 81.8hp atws.
1975 Leyland Mini S 1100S powered - Nice and reliable.
1977 Leyland Mini LS - Project LS-T

speaking of longevity how long has you setup been in for? how long can i expect a supercharged engine to last, roughly 6 pound boost and treated fairly well (rev limited to 4800)

as for reving it too 7000! i only ever took the 1310 past 4.5 once. no idea how it happened, lost all feedback on the accelerator and the revs kept going up! when they hit 5600 or so i just turned the car off, restarted it and all was fine.

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1962 850,Frog

most mini engines should be safe to rev to about 6-6.5k, and with a supercharger it will rev up really quick.

on stock boost should last for a long time.

I have had my SC12 setup on running and driving as a daily for over a year, but has been on the car way longer then that but that in my thread. I haven't had any real issues with the motor 'holding together' and the motor wasn’t made to run boost although was balanced and lightened and the goodies you 'should' do IMO.

I defiantly don’t drive my car softly , but within its limits and have raced with it and will be agen in August! It has seen 7000RPM countless time and more when racing. The peak power on mine is at max revs, doesn’t drop off, I would think with most SC you will find this. I ran 7psi for most of the time and even went to 12psi for a little bit on over 9:1 comp.

Thanx Nathan

6 grand is my redline. I usually stick to 5500rpm when pushing around. 4 grand for cruising.

As for the milage of my car, I can only estimate because I change the speedo one day as my printed circuit board died and I had a spare 3 guage cluster in the shed.

I think I've done around 12,000kms boosted over a year and a half (I only live 5 mins from work) and have a few cars. I did about 8,000kms before boosting.

The life of the engine is reduced due to my driving among other things. The main problem with the boost is even though you dont need to use it, you just do need to anyways for some unexplainable reason.

I think another rebuild of my engine is necessary at some point, the gearbox has been done decently and recently (at great expense) but my original engine was rebuilt very cheaply, and obviously not to a great level, which I have since found out. No matter though, it's all in good fun.

I've actually been considering moving to one of those alloy 5-port heads as they seem good value, as I think a head rebuild is on the cards, so why not go and have some fun while I'm at it.

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1964 Morris 850, 1330 Supercharged - 81.8hp atws.
1975 Leyland Mini S 1100S powered - Nice and reliable.
1977 Leyland Mini LS - Project LS-T

6000, hmm must of just been the noise that freaked me out a bit, 1310, extractors and a hotdog exhaust, bit loud i think

ok supercharged 1310 it is, will get a lightened and balanced flywheel for it as well.

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1962 850,Frog