speaking of shotpeening NOW true 2 litre

[sad_rocc at yahoo.com (Dan Smith)]

Well, the top half of my engine is going to consist of a mild p&p g60 head with a Callaway Turbo kit on it. I'm planning on stacking a couple metal headgaskets to bring down the compression. According to the builder of the engine (builds motors for SCCA people) that would be okay to do. I have a 268 cam too and will go the lightened flywheel route when the time comes. I'm glad winter is here personally, gives me till mid April to gather parts and get everything ready to drop in. I figure with the forged pistons and the strength of a g60 head, I should be able to run a reasonable amount of boost. If all else fails, I'll throw a RD head on it and be up and running.
 
Dan

marc_scirocco_Quebec <marc_scirocco@sympatico.ca> wrote:
I am building something very similar (83mm Mahle pistons * 92.8). I have
pretty much all my parts, including ARP hardware.

I am only missing a Schrick camshaft, and a lightened flywhell, and then
will get it balanced. I just got my Audi hydro head p&p (by me) from the
machine shop (valves/guides/3 angle job).

The sad news is winter is just around the block, so the motor will not go
into the car (along with a shortened ratio rack & pinion) until april...

Cheers.

Marc
'83 Scirocco
'88 Scirocco Slegato

-----Message d'origine-----
De : scirocco-l-bounces@scirocco.org
[mailto:scirocco-l-bounces@scirocco.org]De la part de Mark
Envoye : mardi 28 octobre 2003 21:27
A : 'Dan Smith'; scirocco-l@scirocco.org
Objet : RE: speaking of shotpeening


Sounds like a nice recipe for a strong N/A engine! With a 92.8 mm crank
and 83 mm pistons, you have a true 2 litre (2008)! With the 10.5:1
compression it's not setup for a turbo/supercharger though...

You might want to install a knock sensing ignition with the higher
compression. If you don't feel like doing that, run the highest octane
you can, and keep the ignition timing conservative (around 6 deg btdc).

Nice score Dan!

Mark.
80 S
81 S ABA/JH/4k

> -----Original Message-----
> From: scirocco-l-bounces@scirocco.org [mailto:scirocco-l-
> bounces@scirocco.org] On Behalf Of Dan Smith
> Sent: October 28, 2003 8:44 PM
> To: scirocco-l@scirocco.org
> Subject: speaking of shotpeening
>
>
> Mark and a few others were asking specs on that bored out 2L engine.
Well,
> I finally got them, now can someone tell me what it means in terms of
> performance?
>
> Starting from the bottom it has a 92.8mm crankshaft, ARP rod bolts.
The
> rods were shot peaned and balanced. For pistons I used JE Forged, 80
> thousands over sized which is 2mm bigger than stock (81mm stock, 83mm
JE).
> I also used HPC(High Performance Coatings)on the skirt of the pistons
and
> the crown. The bottom end has around 18k on it and ran very strong.
> Compression ratio was also changed in the custom pistons from 10:1 to
> 10.5:1
>
>
>
> Dan
>
>
> ---------------------------------
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