That's nice work.
Modifying these engine is a pain with the low availability of parts and
the cost for those you can find. I'm always amazed and envious looking
at the engine kits sold for US engines.
With an intercooler and more boost there should be 500rwhp in the
future. Just need to be willing to roll them dice.
JLA wrote:
> Here are some pictures of John Thomas' ****sche 928 S4
>
> It was a 1989 Guards Red automatic that came out of a collection in
> southern California with about 110,000 miles.
>
> They started with a �base kit�, a turbo, oiling pump and little else
> from STS that we could use. The 928 engine is pretty unique in its
> set-up and tuning was an issue as well with a separate LH and EZK for
> fuel management and timing. Everything else was custom for the ****sche
> 928.
>
> Not too long into the project, they lost a very old headgasket and
> spent a year re-building the engine. They bored it out to 43,
> just a little over stock, nikicelled the engine, and put in forged
> pistons and rods, lowering the compression to 9:1 from the stock
> 10:1. They could have rebuilt it in a month, but the pistons took a
> year to produce.
>
> The car currently produces 400 horsepower and 438 pounds of torque to
> the rear wheels, and runs in the low twelve�s at 10lbs of boost with
> no intercooler needed. Based on a cost per horsepower basis, the kit
> is very competitive to both the supercharged and stroker approaches
> to big horsepower engines.
>
> 1/4 Mile ET: 12.434
> 1/4 Mile MPH: 117.030
> 1/8 Mile ET: 8.179
> 1/8 Mile MPH: 90.260
> 0-60 Foot ET: 2.074
> Temperature F: 77.0
>
> Car Make: ****sche
> Car Model: 928
> Car Type: S4
> Car Year: 1989
> Driver: John Thomas
>
> Very nice 928 John - WOW!
>
> View the attachments for this post at:
http://www.jlaforums.com/viewtopic.php?p=9082598#9082598
>
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