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Davidbolam 11th January 2014 09:37 AM
Quote:
Originally Posted by skov (Post 95328)
That's what I thought :confused:
I seem to recall they're only allowed a head skim and a bit of porting, and have to run on the standard ECU.
I'd be surprised if they got 150bhp, let alone 250!



My thoughts exactly! I can pick up a 1.6 for less than £100, but chances are it's going to need a load of work too.

The other option I was thinking of was sticking a 1.8l Mk2.5 lump in there (~150bhp standard).
That's going to be a fair bit of work though, and even those are 10 years old and starting to go bang now...
Got the races mixed up. I know a company caled AK Automotive who ran a 1.6 in the Northern Sports and Saloon Car Championship that had been tubocharged to 250 bhp. they have now put in a 2.0 turbocharged engine and it has 350bhp. the car they run in the Ma5da races car no 90 which is a different car.

james3004 11th January 2014 10:47 PM
I would say 250bhp out of a 1.6 would make it fairly unreliable!

Go for a 1.8 john ;)

skov 12th January 2014 01:12 PM
Quote:
Originally Posted by james3004 (Post 95333)
I would say 250bhp out of a 1.6 would make it fairly unreliable!
I would have thought so too, but lots of people seem to manage to get that sort of power out of the 1.6 (or at least claim they do!).

I think I'm just going to rebuild the 1.6, then possibly think about adding a small turbo. I won't be trying to get anything like 250bhp out of it though!

Almost ready to get the engine out by the way James. Just need to undo the gearbox and engine mount bolts, so the sooner I can borrow your crane the better ;)

james3004 12th January 2014 01:41 PM
Are to going to decompress the engine or just run really low boost?

I best get a wriggle on.....:rolleyes:

skov 12th January 2014 02:03 PM
Quote:
Originally Posted by james3004 (Post 95342)
Are to going to decompress the engine or just run really low boost?

I best get a wriggle on.....:rolleyes:
There's no need to decompress unless you're going for silly boost.
Mazda used a slightly modified engine from the 323 turbo for the early MX5's, so they're already fairly low compression, and ideal for bolting a blower on :cool:

Don't worry about rushing, I've got plenty of other things to be getting on with!

james3004 13th January 2014 06:08 PM
You make it sound so easy;) :D

skov 13th January 2014 06:15 PM
Only because I've never done it before, and I'm still blissfully unaware of what's really involved :D

james3004 13th January 2014 06:39 PM
Quote:
Originally Posted by skov (Post 95372)
Only because I've never done it before, and I'm still blissfully unaware of what's really involved :D
:D how hard can it be!?!??

skov 13th January 2014 09:44 PM
Quote:
Originally Posted by james3004 (Post 95373)
:D how hard can it be!?!??
Harder than I thought - just spent an hour trying to get a broken stud out of my turbo and I still haven't got the c**t out :mad:

johnl63 13th January 2014 10:55 PM
https://www.youtube.com/watch?v=vUKg...0U5 9RxFKwHWq
aussie boys run you through the process
john


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