Lot's of little costs.

It's worth it.

My engine is in bits at the moment and so far the motors holding together *touch wood*. The idler gear went, but from speaking to the builder of the engine and the bloke who's going to do a quick rebuild again. The extra power just sped up the demise of what was already going to brake!

In the world of engine rebuilds, so far I've learnt you get what you pay for! My gearbox rebuild was somewhat...errr...cheap. Now it's getting done properly, and costly. Also I'm getting a few little goodies done, but nothing to increase my hp. Just to make it a little stronger.

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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

That's why I now run a 1275 head and metro turbo head gasket. No extra hp, just insurance and reliability.

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Carl
Previous Owner & Driver of 1 Morris "It's not a Cooper!!" 850

Ive seen a quote for a SC kit for 6k for the kit alone.. has anyone got/running one of the more expensive kits? and if so do you think it was money well spent?

ok but if i go with the supercharger kit, would i really really need to rebuild the engine again with mods so it will last with the supercharger because the motor was only rebuilt about i think 3 yrs ago?

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oil leak?..what oil leak..that puddle under the car is just sweat from all that horsepower

It would be better to rebuild it again , 3 years is a fairly long time for a mini motor , especially if you're going to be cramming more fuel and air into it all of a sudde , the rings mightn't like it along with a few other bits . Best to give it a freshen up as you'll be increasing the pressure on a lot of things that could break expensively rather than a relatively cheap refresh to start with .

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ah ok fair enough how much a rebuilds going for these days?

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oil leak?..what oil leak..that puddle under the car is just sweat from all that horsepower

i got mine rebuilt for 3k, and they said that was one of the cheapest theyve done

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'73 clubby s "cryo" - sold
Operation Evil Sesame Street!

now thats abit of a worry if thats the cheapest they have done.... and who did the job?

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oil leak?..what oil leak..that puddle under the car is just sweat from all that horsepower

joe armour in kingswood/penrith.
altho i had to get a whole new block cause mine shat itself and wouldnt change gears.

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'73 clubby s "cryo" - sold
Operation Evil Sesame Street!

ahhhhhh welll that changes everything

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oil leak?..what oil leak..that puddle under the car is just sweat from all that horsepower

Ah well you could jsut play the 'see what happens' card. It may be great, it may not. It's a risk, but on my car it only runs about 6psi of boost, max. So in the world of turbo cars and such this is low factory car stay boost (my mums turbo diesel 4wd runs double that!).

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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

lol if i put the charger on its gonna be running minimal boost cause i juz want it to get up and move off the lights

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oil leak?..what oil leak..that puddle under the car is just sweat from all that horsepower

Well you don't really have much choice what boost it runs. Your right foot determines how much boost it has. Boost is dependent, on load. More accelerator, more boost. Simple.

You can set the engine up for safe power, run retarded igntion, run a reduction plate (or whatever it's called) to reduce your compression. You can run the car slightely rich, all to reduce the chance of detonation.

Do you know the specs of your motor? Like what cam, what pistons, what head, compression? etc etc.

(sox61 had issues running an RE13 cam, swapped to an RE13T and made tons more power! but he can fll you in on that stuff)

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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

I guess you could get 92 to make you a low boost pulley, but say if you decided that 4psi max was good or 5psi, your not going to make a huge amount of power. My 1330 runs around 6psi, but it it were a 1275 it'd run 7psi maybe more, the smaller the engine displacement, the greater the boost from the same 'charger with the same pulley ratio.

<Edit> I'll add more thought to this. If you run a 1098cc motor, then run 7 psi, you looking at around a 50% engine size increase, well sort of. (atmo pressure is around 14.7 psi, so boost is effectively 14.7+***psi, so 7psi of boost means the engine is running at 21.7psi.)

So your looking at having 1650cc engine. Although that sounds like plently you'll ifnd it doesn't quite work that good. I'm running 6psi from a 1330, theoretically I would have an equivalent engine size of about 1873cc. But my car is not nearly as powerful as a 1.9L would be, get it?

You go to way up whether or not jsut buying a good warm 1275 engine would be, rather than boosting an 1100cc or whatever engine you have.

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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

[quote="slinkey inc"]I guess you could get 92 to make you a low boost pulley, but say if you decided that 4psi max was good or 5psi, your not going to make a huge amount of power. My 1330 runs around 6psi, but it it were a 1275 it'd run 7psi maybe more, [quote]

mine is a lower compression metro motor and it hits 7 psi at 5000rpm

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backyard performance............. Aint it the best