Pontiac - Street No question too basic here!

          
 
 
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Old 12-06-2007, 04:33 AM
doubleClutch doubleClutch is offline
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Join Date: May 2007
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Just wanted to give an update for anyone thinking about the same setup. I found out the rods were hitting the heads, and I switched back to 1.5 roller rockers. Also one of the motor mounts was loose which was what was causing the vibration. We advanced the timing 35 degrees, and the car is now a monster. I have a 2000 stall converter, and the idle is slightly choppy, but it stays running in gear and in reverse.
The car pulls very hard, and easily walked a much lighter Infiniti G35 ~280Rwp from a stop and roll. My only problem was that car was leaking oil on the headers after 5-10 min of driving. We used extra sealant and tightened the valve covers. Do the stock valve covers commonly leak oil? Could the leak come from the valley pan? The car was not leaking oil before, and the mechanic didn't touch the valley pan. Also, I am still wondering if I need to raise the compression? Heads are 6x, 2.5" pipes, and the bottom end is stock. Can anyone give me a net hp guess, and if it would make any more hp with a higher compression.
Here a pic of the leak

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Thanks again for all the help.

 


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