Forum for Owners and Enthusiasts of the Oettinger 16V Engine

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Oettinger Gr4 owner

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1 Oettinger Gr4 owner on Sat Nov 27, 2010 9:01 am


Hello everybody, I've not yet introduced myself.

Some of you already met me on other forums.

I'm the happy owner of a race Golf 1, fitted with the former hillclimbing Oettinger engine from G. Hayot.
I use to race in historic racing category.

After its hillclimbing period, the engine was a little bit "detuned": bigger head gasket and some tenth of mm ground on the top of pistons for a remainind 12.5 in compr ratio (ipo 13.0), and twin 45 DCOE ipo the modern injection.

Didn't change the 290 cams. This allows a pretty 185 HP (personal estimatios, knowing that the engine had more than 200 before change).
Shift light at 7800 rpm's to change at 8000 with some peaks at 8.2/8.3k (rev limiter).

The rest of the car: unwelded shell with 6 pts cage,
upper and lower front bars, KW phase 2 suspension,
G60 brakes & Ertalon bushing.

Anti roll bar removed at the front, and finaly an Motorport 8V Gbox with a 4.25 and a quaife diff. That gives 193 km/h @ 8000 rpm , nearly reached 3 times on Spa (Eau Rouge, Les Combes if aspiration and before the chicane). 3"01.8 on Toyo 888 as lap time, 1.56.9 on Zolder, "en rodage" earlier in the season.

2 Re: Oettinger Gr4 owner on Sat Nov 27, 2010 9:47 am


Welcome billb

Finally you drop by... great
So how is your racing season going?

3 Re: Oettinger Gr4 owner on Sun Nov 28, 2010 1:50 am


Welcome billb Very Happy

Any pics?

4 Re: Oettinger Gr4 owner on Sun Nov 28, 2010 1:14 pm


Thanks for your welcome, for the pictures, I could see they don't remain a lot of time on the forum!

So here is a link to see it on the other forum:

5 Re: Oettinger Gr4 owner on Wed Dec 29, 2010 6:03 pm


Welcome to the Oettinger forum!
Good to see another racer.

Is your car built to homologation 677?

How does that work with the G60 brakes?

I did see a topic of yours on the club gti forum, very nice car. Cool

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