Random Questions about Random 944/968s

[Zlatko]

I need to know power limitations of 944/968 parts.

Transmission
Engine
Differentials..

Everything...

And if you dont know it..can i please get a site to these links :P

Thank you

[SoCal Driver]

No limitations as long as you stay stock.

[MrPants]

Originally posted by SoCal Driver
No limitations as long as you stay stock.

amen brother

[Zlatko]

Ok, but the car isnt gonna stay stock..

Can a 968 Transmission take say...300 horsepower to the wheels? Or the engine?

And what about the 944? what is the absolute maximum it can take and how long of a timeframe?

[Z-man]

Originally posted by Zlatko
And what about the 944? what is the absolute maximum it can take and how long of a timeframe?

It's not just about how much power it can handle, it's also about how much you abuse it!

-Z-man.

[scottmandue]

One Milllllllion horsepower!

[Zlatko]

Originally posted by Z-man
It's not just about how much power it can handle, it's also about how much you abuse it!

-Z-man.

Ya i know man..

But i dont think ill be abusing the car that much..

Im thinking...typical daily driver..plus maybe the ocasional speed burts sometimes....

[Goku]

Also how long do you want to get out of these parts? 1 year? 2 years? The more power you put to any part the less it's going to last. I know the 944 turbo has a lot of upgrades for the increased power vs the 944, so I'd say take a look at those differences to see where you will break first with increasing the power.

[Taz's Master]

Your question seems to be: "How much power can I add without degrading the car's reliability?"

What answer do you want? None, 50hp, 200hp?

The real answer is: It depends. 75 intercooled boosted hp will be easier on the engine than 75 hot boosted hp. High rpm hp will be easier on the tranny, unless you do high rpm launches. Using the power on a road course will be less abusive than using it on a drag strip. What components are upgraded will determine what parts' reliability is compromised.

SoCal's post was very accurate, because more power will decrease reliability.

[Zlatko]

Originally posted by Taz's Master
Your question seems to be: "How much power can I add without degrading the car's reliability?"

What answer do you want? None, 50hp, 200hp?

The real answer is: It depends. 75 intercooled boosted hp will be easier on the engine than 75 hot boosted hp. High rpm hp will be easier on the tranny, unless you do high rpm launches. Using the power on a road course will be less abusive than using it on a drag strip. What components are upgraded will determine what parts' reliability is compromised.

SoCal's post was very accurate, because more power will decrease reliability.

Agreed.

However..the 968 is at around 230 horsepower..and it's components can take that power in stock form..

What are the power limitations on that car..if i were to get around 300 horsepower to the wheels.

[Taz's Master]

Personally I have absolutely no knowledge of the 968 other than what I have read. I sat in one on a showroom floor, but that is it.

If I had the opportunity right now, what I would do is talk seriously with renegade hybrids. You can get 400 very drivable hp from a SBC. It will be a reliable and upgradable powerplant, and you could sell your 2.5 engine for a spare tranny for when you ruin the one you have.

You are unsatisfied with the stock power output of your 944. Applying more power to your drivetrain components will shorten their lifespan. There are some 951 owners who have made significant increases in the power output of their engines. No stones are thrown at them, and they aren't constantly submiting requests for new trannies to this board. They also tend to be willing to accept reduced life expectancies for drivetrain components.

[Zlatko]

Originally posted by Taz's Master
Personally I have absolutely no knowledge of the 968 other than what I have read. I sat in one on a showroom floor, but that is it.

If I had the opportunity right now, what I would do is talk seriously with renegade hybrids. You can get 400 very drivable hp from a SBC. It will be a reliable and upgradable powerplant, and you could sell your 2.5 engine for a spare tranny for when you ruin the one you have.

You are unsatisfied with the stock power output of your 944. Applying more power to your drivetrain components will shorten their lifespan. There are some 951 owners who have made significant increases in the power output of their engines. No stones are thrown at them, and they aren't constantly submiting requests for new trannies to this board. They also tend to be willing to accept reduced life expectancies for drivetrain components.

Ah ok..very understandable...

And yes, i have seen these 350ci v8 swaps..very well done..

What about the 951 transmission/differential and clutch?

What are the power limitations of those components? and are they at all interchangeable with the 944's?

[tifosiman]

Give these guys a call. If anyone knows the limitations of 951 and 968 components, they will.

http://www.powerhaus.com/

Regards,

Tifo

[Zlatko]

Hehehe..i actually e-mailed them 20 minutes before i made the post

[Porsche-O-Phile]

I read some good advice somewhere recently - the slowest 944 is a broken one. Don't abuse the drivetrain components by stressing them unnecessarily and they'll last a lot longer. These cars are pretty quick stock, but if you have to tinker, I'd build the stuff that's likely to break before I went and added any power - trans / differential (check condition, recondition or upgrade if necessary, add GOOD fluid), tires, suspension, brakes, etc. Secondly, I'd check the engine internals (the stuff that's likely to fail) - check head gasket condition, journal bearings, valve seats, maybe even swap out to a stronger crank & rods if you're going to do a radical build-up. Only THEN should you go bolting on stuff like nitrous, turbo or super-chargers, etc.

Remember the article that everyone loves to show ppl that ask about turbo-ing their n/a's - Porsche didn't just slap a turbocharger on, they built a LOT of other stuff up to handle it first. I'd do the same.

[Zlatko]

Originally posted by Porsche-O-Phile
I read some good advice somewhere recently - the slowest 944 is a broken one. Don't abuse the drivetrain components by stressing them unnecessarily and they'll last a lot longer. These cars are pretty quick stock, but if you have to tinker, I'd build the stuff that's likely to break before I went and added any power - trans / differential (check condition, recondition or upgrade if necessary, add GOOD fluid), tires, suspension, brakes, etc. Secondly, I'd check the engine internals (the stuff that's likely to fail) - check head gasket condition, journal bearings, valve seats, maybe even swap out to a stronger crank & rods if you're going to do a radical build-up. Only THEN should you go bolting on stuff like nitrous, turbo or super-chargers, etc.

Remember the article that everyone loves to show ppl that ask about turbo-ing their n/a's - Porsche didn't just slap a turbocharger on, they built a LOT of other stuff up to handle it first. I'd do the same.

Oh for sure man

Im not gonna run like a 75 shot into the engine stock..ahaha..that's just insane :|..and i have no desire to hurt the porschey

The thing i wanna do is do some kind of authentic porsche engine swap..before i start looking at engines made by other companies. Im loyal to porsche..so i just wanna know all my choices..

My car, i wanna keep it, cause it's in absolutely fabulous condition body and frame wise..i think that's why i bought her

[tifosiman]

Originally posted by Zlatko
Oh for sure man

Im not gonna run like a 75 shot into the engine stock..ahaha..that's just insane :|..and i have no desire to hurt the porschey

The thing i wanna do is do some kind of authentic porsche engine swap..before i start looking at engines made by other companies. Im loyal to porsche..so i just wanna know all my choices..

My car, i wanna keep it, cause it's in absolutely fabulous condition body and frame wise..i think that's why i bought her

I can certainly respect that sentiment. What is your budget that you have for this endevour? That will dictate what options you realistically have.

[Zlatko]

My budget will be around 15K Canadian..that should be about 12k USD.

[tifosiman]

OK, with that large of a budget (larger than I expected to hear), I'm going to do something I ordinarily don't do, go with the crowd, and say:

"Sell your car and buy a 951".

Wait. Before you get upset, this is why.

With that sort of budget, you can really afford a well sorted 951. With money left over. If you sold your 944, you would have additional money to pour into goodies like a chip, etc that would get the car up over 300HP easily. And it would have everything it needed to handle that.

Looking at this from an alternative point of view, you could just find a wrecked 951 and do a swap. But that would be a hell of a lot of work, and even then you may have an unknown entity in regards to the condition of the motor, trans, etc because the car may not be able to be driven before purchase. Throw in the cost of all of the extra bits you may need to get it up to snuff, and you are easily at your budget already, without the extra $$ goodness you would have had from selling your nice 944.

Please keep in mind this is not my normal advice, if you have ever taken notice of my car or my posts, you will see that my car, a non-turbo, has a ton of money poured into it.

But, for you, with that budget, you really would be best off getting a well-sorted 951 to start with..........

Hope that helps!

[Sabyre]

Hey Zlatko can I please ask you a question without you flipping out... Can you give me an honest decisive answer. Unbiased. I am dying to know.

And don't think that I am being hostile in anyway. I truely wish to know.

Why did you buy your Porsche?

That is the question I give to you.