I know you guys will hate this but my 10 grand I would.......
buy a used vette motor complete
buy a conversion kit
remove the old engine
install the kit and motor
sell the old motor for 3 grand
keep the hood closed
enjoy my lighter/faster car
go on vacation with my 3 grand
again sorry

 

Quote:
Originally Posted by Hacker-Pschorr
If money is no object - blown stroker motor is the only way to go.


i believe we know the validity of that statement already, at least in some form.

 

Z , that is not fair showing those old stroker numbers before the Motec custom engine management , individual throttle bodies , trick camshafts etc., simply not fair.

 

Sorry Tom, didn't mean to leave you out on purpose.

Do you have a dyno sheet for your car? I would love to see one. I can only estimate what the results are going to be with my new setup and it would be great to see how yours is.

 

That's cool, to each his own. You might find that you will have to do quite a bit to that Vett motor to get you to 500rwhp. But then again, that might not be your desire either.

 

all in jest tim. i wouldn't begin to have the time and energy to do what you guys are doing. i'm fortunate that someone built this car and i was smart (or maybe fool) enough to buy it.
no dyno sheet in it's present form, but we're working on it. still have alot of real world tuning to do and some upgrades to make.

 

I was really thinking that some might want to compare the "typical customer, base setup" centrifugal chart on the one web page to the "typical customer, base setup" stroker on the other page. Since both are basically stock S4 5-speeds except for the supercharger or stroker installations, I thought it would be a pretty good way to see the differences. If you want, there are a couple of other centrifugal dyno charts that could be compared to a stroker, Motec custom engine management, individual throttle bodies, trick camshafts etc. dyno chart.

Hey, shouldn't you be busy getting ready for Sharktoberfest by now?

Have fun out there this weekend.

 

My two cents worth.

If I recall correctly Tom F.'s car is 6L, stroked and supercharged (but not bored)
Mark A. and Joe F.'s cars are @6.5L, stroked and bored (but not supercharged)
Devek's stroker kit is will produce up to 6L, (does not include boring or supercharging).

500 rwhp has been achieved by bored & stroked motors using throttle body intakes, and also has been achieve by supercharged 5L motors.

I think sometimes people think of a stroker motor, as also being a bored motor, and that is not necessarily the case, as Tom F's. car is an example.

 

I'm thinking:

Slightly stroked crank - not too much, but enough to make a difference... But make damn well sure you can get rods from any chevy catalog

Slightly bored block - maybe just over 4" so you can pick and choose from a summit catalog - my day dreaming never ends with that thing....

Somehow, I would close the deck - either increasing the ring diameter (OD) from Tim's idea of a pressure ring on the outside of the tower, or a completely closed deck, ala any chevy block.

Either Keep the alusil and hope coatings will make the AL pistons work inside the bore ( www.swaintech.com ) or....

Gafaw - Coat them bores with Nikasil and run any damn pistons you want.

I'd say just about 6L, but with a closed deck and the ability to run over 20psi.

Kinda like some of the packerland stuff, but not quite.

Now - realistically, these 928 5spds will start blowing up with heavy street or light rack duty over 700rwhp - and with the boost I mentioned, with the Literage were talking about, 850 at the crank is easy.

PEOPLE - 944 guys keep stock blocks together at 350-400 crank ALL THE TIME with good EFI control. And those turbos are sure as hell damn near more hard on those engines then a centrifugal.

Sorry if I went off a bit.

 

This is interesting....a supercharger 6.5L stroker for those with truely deep pockets.....lets see the Devek white car stroker gets 550rwhp (84.6rwhp/liter) the Murf supershark gets 556rwhp (assuming a 5L motor...makes 111rwhp/liter) So a proper 6.5L "SUPERSTROKE" motor should get around 720+ rwhp (about 850 crankHP)....it would be sweet though.....but for that type of time/expense why not go the twin turbo route?

The current issue of car and driver has the supertuner challenge. The twinturbo Lingenfelter Vette is quoted at 800hp (estimated 680whp) same as the twinturbo Hennessey Viper (680whp?). Norwood performance makes turbo kits for 80's Ferrari Testarossas that are over 1000hp....if someone had the money there is no reason why the 928 (also a 5L DOHC, 4 valve engine) couldn't do the same? Personally I would like to see a twinturbo 6.5L (Motec of course) that breaks the 1000whp barrier? Impossible...maybe....stupid expensive..YES
Brian

 

dropping in a twin-screwd ford 4.6 can get you above 600rwhp for a relatively cheap price.

 

Here we go again Not.

Adam,

If you want to get something on your car within a month and within budget, you have two good choices. Read up on Tim's & Andy's kits and decide which suits you. Be especially critical of the opinions of people who have never driven a supercharged 928.

Take a look at some of the dyno sheets floating around and you will see that you can be happy with either PD or CS.

Good luck!

 

Mike,

Unfortunately, just dropping the engine in the car won't do it. You need to connect it to the transmission, and there lies the devil in the details.

 

I like that sig Jim, not get an avatar to match!

 

Sure, but then what transmission would handle that power?!