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Project: Eaton M90 s/c on '83 944

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Old 09-10-2013, 02:48 AM
  #46  
odurandina
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you have a nice kit car. mess around, have fun, and blow that toy motor sky high. start stockpiling V8 parts. when the dead engine sits in the driveway, you'll have your eye on the ball... and Gen III/IV Chevy powerplants will be plentiful.
Old 09-10-2013, 04:04 AM
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Arominus
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Originally Posted by sausagehacker
I was going off the 163hp rating. Is that optimistic? I figured about 5hp back from AC delete, 6hp back from BS delete, and the cam grind/springs/cat delete would file in a couple more at least. The lightened crank is probably good for at least 5hp, but I really don't know because I haven't had it dynoed.
A/C delete would only count when it was running, the compressor doesn't take 5hp when its off.

Cat delete is dubious at best as it wasn't much of a restriction to start with, I doubt you got anything but more noise unless the cat was bad.

The cam should have gotten you some power, but it depends on the grind. The lighter crank... really depends, still it should rev better now.

Did you re-enforce the oil pickup tube when you did the BS delete? you really really need to do that if you didn't. If that cracks your engine grenades. The BS delete makes it a lot more likely to happen.
Old 09-10-2013, 04:41 AM
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Gawernator
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I really thought supercharging would be cool for the NA motor... but I won't live without A/C and a 968 swap is pretty much the same price and will be more power and more reliable. Not to mention, there's a good supercharger kit that keeps A/C for the 968 motor.
Old 09-10-2013, 07:46 AM
  #49  
DarrenD
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Originally Posted by Gawernator
I really thought supercharging would be cool for the NA motor... but I won't live without A/C and a 968 swap is pretty much the same price and will be more power and more reliable. Not to mention, there's a good supercharger kit that keeps A/C for the 968 motor.
Please point me to a 968 swap for $1000. I'm in!
Old 09-10-2013, 07:53 AM
  #50  
Raceboy
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Originally Posted by odurandina
you have a nice kit car. mess around, have fun, and blow that toy motor sky high. start stockpiling V8 parts. when the dead engine sits in the driveway, you'll have your eye on the ball... and Gen III/IV Chevy powerplants will be plentiful.
Have you EVER done some serious performance mod on a Porsche YOURSELF?

I have and I can tell you that most of the statements you keep repeating in modifying threads are BS.
Wanna race my turbocharged euro (9.3 CR) 924? It has 250hp with pump gas (near 300 with toluene mix) and beats the $hit out of stock 951 S and 968.
And has done that since March 2007 already. Oh wait, according to you it shouldn't move at all being a stock engine from '83...

Now throw that 3.0 engine out of your 968 and put in V8 like you keep gospeling here...
Old 09-10-2013, 08:04 AM
  #51  
MAGK944
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Originally Posted by sausagehacker
I was going off the 163hp rating. Is that optimistic? I figured about 5hp back from AC delete, 6hp back from BS delete, and the cam grind/springs/cat delete would file in a couple more at least. The lightened crank is probably good for at least 5hp, but I really don't know because I haven't had it dynoed.
163hp is Euro spec with 10.6cr pistons and dme tune plus manufacturers quote figures with AC (and all parasitic losses) turned off, so deleting AC doesn't add anything to stock hp figures. Turbo valve train and cam is zero gain in hp, lightened crank & BS delete minimal gain. I'd say you are at about 150hp, maybe.
Old 09-10-2013, 10:04 AM
  #52  
F40LM
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Originally Posted by MAGK944
163hp is Euro spec with 10.6cr pistons and dme tune plus manufacturers quote figures with AC (and all parasitic losses) turned off, so deleting AC doesn't add anything to stock hp figures. Turbo valve train and cam is zero gain in hp, lightened crank & BS delete minimal gain. I'd say you are at about 150hp, maybe.
Sadly I agree with this estimate.

Michael
Old 09-10-2013, 11:40 AM
  #53  
odonnell
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Damn. Well, it still feels way faster than 150hp
Old 09-10-2013, 11:43 AM
  #54  
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Originally Posted by DarrenD
Please point me to a 968 swap for $1000. I'm in!
Yeah me too!!!!!
Old 09-10-2013, 01:12 PM
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Dougs951S
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As much as I hate to join the parade of people bursting your bubble Michael (who, sadly, I agree with), I also wanted to chime in on a point nobody else had brought up, which is that lots of 951 guys (myself included) have swapped in N/A camshafts because it is a superior grind compared to the turbo cam. Wouldn't a 951 cam, which has less lift and duration albiet a small difference, make LESS power than a stock cam in an N/A?

That isn't to say that gutting all that crap off your car was pointless. After driving your car a fair bit my comments still stand that your car is a hoot to drive and definitely has the edge over mine in throttle response. I'm positive that would not be true were it stock.
Old 09-10-2013, 01:21 PM
  #56  
odonnell
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Old 09-10-2013, 02:09 PM
  #57  
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that just made my day! ^
Old 09-10-2013, 02:29 PM
  #58  
odurandina
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Originally Posted by Raceboy
Have you EVER...

this is a complex question with a somewhat complex answer w/ swap topping $38 k.

please see last post this page:

https://rennlist.com/forums/924-931-...r-next-17.html
Old 09-11-2013, 12:50 AM
  #59  
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Originally Posted by odurandina
please see last post this page:
In short, the answer is NO. That's what I presumed also.



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