LS1 Porsche 928
09-23-2010, 06:41 AM
#1
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LS1 Porsche 928 Soon I will be starting this project and hopefully finishing before Xmas.
Original Porsche engine is over 500 lbs and 100 or more HP less than an LS1.
Original Porsche engine is over 500 lbs and 100 or more HP less than an LS1.
09-23-2010, 12:15 PM
#2
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Good luck! I just finished my conversion of an LM7 Silverado engine into my 1985 928. Automatic transmission with limited slip. It's a blast to drive now that the heavy, low torque Porsche motor is out of there!
If you need any advise I will be more than happy to let you know where I ran into issues and how I overcame them.
Ovrall not a bad swap, pretty straight forward.
If you need any advise I will be more than happy to let you know where I ran into issues and how I overcame them.
Ovrall not a bad swap, pretty straight forward.
02-22-2011, 09:04 AM
#3
TECH Enthusiast
I realize this is a 5 month old thread . . . UPDATE ???
On thing that I am concerned about . . .
PORSCHE's are usually close to 50/50 weight distribution, front & rear, from the factory.
The LS1 is probably 150 lb or more LIGHTER than the original PORSCHE 5.0L V8 . . . There may be some EVIL handling characteristics, if your car ends up weight-biased to the REAR . . .
Even a true "50/50" car (the PORSCHE 911 comes to mind) can be a real BEAR to drive aggressively, as it can INSTANTLY transfer from Understeer to Oversteer and vice-versa, without warning . . . BE CAREFUL ! ! !
Dave
On thing that I am concerned about . . .
PORSCHE's are usually close to 50/50 weight distribution, front & rear, from the factory.
The LS1 is probably 150 lb or more LIGHTER than the original PORSCHE 5.0L V8 . . . There may be some EVIL handling characteristics, if your car ends up weight-biased to the REAR . . .
Even a true "50/50" car (the PORSCHE 911 comes to mind) can be a real BEAR to drive aggressively, as it can INSTANTLY transfer from Understeer to Oversteer and vice-versa, without warning . . . BE CAREFUL ! ! !
Dave
02-22-2011, 09:15 AM
#4
02-22-2011, 12:36 PM
#6
My Datsun 240z went slightly tail heavy by the time I ditched the iron block in line 6 for an all aluminum LS2 and added a heavier rear end. The rear weight bias seems to help put down power. I would call the handling anything but evil.
