Originally Posted by Olli Snellman

Henk,
looks great !
I suppose not many Raetech intakes available anylonger......

Originally Posted by bad_monkey

Two questions about the raetech plenum - 1) Do the trumpets extend into the plenum or are they flush with the side of it? 2) How much for the TB's and plenum? Has to be at least one kidney.

Originally Posted by pjburges

Henk - and everyone else in this thread -

I didn't have the coin you did for my engine build, but do not let people on this forum criticize you for hunting for N/A power. I suspect these twin-cam engines respond exceptionally well to modification. On this forum this is some kind of conspiracy to deny that - so that everyone will get a turbo or a V8?

I built up a 2.5 liter S engine with the following,
No balance shafts,
No A/C or power steering
Crank and Rods from an 83 944 (RARST forged)
Lightened steel flywheel balanced to the crankshaft
Cleaned up the castings in the intake / exhaust ports with a dremel
Decked head to the limit to bring flat / remove corrosion but used stock headgasket for increased compression
Solid lifters on the hydraulic cams with the cams retarded 2 degrees (The solid lifters changed my intake duration to that of an S2 cam but with different timing)
TurboS Oil pan/ crank scraper
S2 intake
Completely removed emissions on the intake
Bored out 8V N/A throttle body done by me to 60mm
Cone filter
Deleted cat - only stock muffler in the rear

This car is in a lightweight chassis with a 924S transmission with LSD. It pulls MUCH harder through 1st 2nd and 3rd. These mods have changed the engine so dramatically that the computer literally no longer has the correct ignition and fuel tables for it to run correctly. Even though it pulls harder, it still runs quite poor. Has ignition ping, and to kill it I have to run rich (10:1 at WOT!!!) to keep it drivable right now. What I'm saying is it still pulls harder than the original S even with this handicap and with a tune I fully expect to clear out another 15-20hp up top. Stock engine was 188 - I am most certainly over 200 with the handicapped tune.

Dont be fooled - there's definitely power to be had in these little engines - even on a budget like I was!!

Originally Posted by HJK

In page 7 of this tread you can see details, they don't extend.
How much is a kidney?

H

Originally Posted by bad_monkey

I imagine the price of a kidney is very different depending on whether you are the buyer or the seller.

Given that I found a thread a while back in which someone tracked down a similar system (John Milledge design) for $8000... I know that Raetech have done a lot of CFD on this setup, so I'm guessing it was more than that. But probably a secret!

Charlie

Originally Posted by pwengland

Henk, really is an amazing bit of kit.. In a way pity its so modified or you could come and join us in ACCC in SEPANG this year (formerly Classic car club of HK). I'm having a 944s built from a bare shell in the UK which should be here for round 2 onwards.. Gather a few M3s from Thailand are coming to join us..

Originally Posted by pwengland

Of course ... Good point.. You can give those TVRs and RSRs a bit of a scare for an outright win... I'll be chugging along in class B, but first 944 ever to compete as far as I'm aware.. Should be great fun, looking fwd to seeing your car in the flesh if you can make it down..