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what swap?

Posted: Tue Oct 12, 2010 6:20 pm
by leeman69
have seen a lot of conversions bmw and non bmw and have toyed with many different conversions myself and i really just cannot decide. i want between 300-400hp but still retain reliability driveability. just wondering if anyone on here has any ideas?
dont want anything too weighty either (v8s etc) straight 6 turbo in my eyes seems the best way to go but which one? and i dont want to be fighting for space in my engine bay either
cheers

Re: what swap?

Posted: Tue Oct 12, 2010 6:41 pm
by glenn
s50 or s54 then

Re: what swap?

Posted: Tue Oct 12, 2010 6:55 pm
by leeman69
s50 s54? m3 engine?

Re: what swap?

Posted: Tue Oct 12, 2010 7:19 pm
by glenn
s50...e36 m3 engine...b30=3.0 litre.....286bhp

b32=3.2 litre.....321bhp

s54...e46 m3 engine..3.2 litre.............343bhp

or there abouts

Re: what swap?

Posted: Tue Oct 12, 2010 7:25 pm
by leeman69
how much would engine and box set you back?

Re: what swap?

Posted: Tue Oct 12, 2010 7:32 pm
by N00b
leeman69 wrote:how much would engine and box set you back?
How high is up?
The figure the hardcore members keep throwing around is circa £6k to fit one of these to an e30.

Re: what swap?

Posted: Wed Oct 13, 2010 11:39 am
by Gunni
Ouch, I´d be able to do a turbo conversion on a M50 converted car for that money :)
something like 500hp would be the target.

Re: what swap?

Posted: Wed Oct 13, 2010 12:49 pm
by leeman69
an m50 turbo sounds far more interesting too

Posted: Wed Oct 13, 2010 4:37 pm
by Zaho49
My question is which engine is hard to swap in to E30? S50B32 or S54? Because I want to buy engine for my cabby.

Re:

Posted: Wed Oct 13, 2010 9:03 pm
by E30BeemerLad
S54 is more grief due to the electronics - fly by wire throttle and sensors all over the place.

Re: what swap?

Posted: Thu Oct 14, 2010 8:42 am
by GeoffBob
leeman69 wrote:an m50 turbo sounds far more interesting too
Don't discount a good old supercharged M20B25, well capable of 350hp fitted with a Rotrex C30-94 (as fitted by Tim_Haynes to his M20B25), and a "relatively" easy add-on to the M20.

If a 12-valve engine isn't your thing then an M50 would the way to go, although (personally) I'd consider a roots pump (Eaton M62) if you spend a fair bit of time in stop-start traffic at low RPM (and have a substantial fuel budget). Roots pumps are notorius for delivering low RPM grunt for the simple reason that they are constant volume pumps, as opposed to Turbo's (and Rotrex's for that matter) which are centrifugal blowers. Not that there's anything wrong with a turbo'd M50, all a matter of your personal preference, budget, driving style and intended application.

Re: what swap?

Posted: Thu Oct 14, 2010 8:53 am
by Phill172
Iv got an M50 conversion im about to haul out of my car!!

Re: what swap?

Posted: Mon Oct 18, 2010 4:37 pm
by leeman69
how about the s38? what are these like?

Re: what swap?

Posted: Mon Oct 18, 2010 5:06 pm
by leeparkes
Heavy and you will have trouble shutting the bonnet.

Re: what swap?

Posted: Wed Oct 20, 2010 1:39 pm
by leeman69
i have worked with a few detroit two stroke diesels which incorporate turbos and superchargers, how well do you think an m20 would take to that?

Re: what swap?

Posted: Wed Oct 20, 2010 2:08 pm
by Gunni
M20´s like boost.

Alot.

Re: what swap?

Posted: Wed Oct 20, 2010 2:19 pm
by GeoffBob
leeman69 wrote:i have worked with a few detroit two stroke diesels which incorporate turbos and superchargers, how well do you think an m20 would take to that?
I'm really not sure how you would go about attaching a Detroit 2-stroke Diesel engine to an M20 :D

Re: what swap?

Posted: Fri Oct 29, 2010 8:19 pm
by cecotto_singh
Cosworth all the way man!!!! :cool: