LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

new motor HP#s cc503, p&plt1 heads & intake,1.6rr,

Old Feb 1, 2008 | 09:44 PM
  #1  
transam1577's Avatar
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new motor HP#s cc503, p&plt1 heads & intake,1.6rr,

i am almost done building my lt1 it is all new bottom end,ported & polished heads & intake,CC503 cam,1.6 pro comp rr rockers,2.02/194 valves,behive springs,comp pushrods and all boltons and thats about it. i was just wandering what my HP#s will look like and aslo TQ at crank and or at wheels. also i was wondering if i shaved the heads to raise compression to about 11.1 how much i might gain from that thanks for the help guys
Old Feb 2, 2008 | 10:04 PM
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96' Formula WS6's Avatar
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What transmission you have will be a factor but it should be around 365 at the wheels or so maybe more with a good tune.
Old Feb 2, 2008 | 10:06 PM
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Depends on the port job. Also these the only mods on the car? No headers will severely limit power.
Old Feb 2, 2008 | 10:07 PM
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2.02 and 1.94 are uncompatible and impossible in a Lt1 head!
Old Feb 2, 2008 | 10:25 PM
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2.02" + 1.94" = 3.96". theres plenty of room for that in a 4" bore.
Old Feb 2, 2008 | 11:33 PM
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I dont know about that exhaust valve...how's it drive with the exhaust valve open all the time?

-Dustin-
Old Feb 3, 2008 | 12:36 AM
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if i have 11.1 compression and all that you think i will only get about 365rwhp? also i have spent so much money on everything else the only thing a may not have enough for at the moment is headers, how much do you think i will suffer HP wise if i dont have them right now. but if you think i must have them i will try to sroung up enough. also i will post my first start up video for yall when i get done, and first dyno
Old Feb 3, 2008 | 12:43 AM
  #8  
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2.00" are the most the typical for nearly 98% of the valve jobs. Mine are 2.02" on the intake which was an extensive job... more than what most people want to pay since the performance gain isn't worth the expense. But I have future plans...
Old Feb 3, 2008 | 01:04 AM
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You won't be anywhere near 365rwhp without headers. And who ported your heads? They could be worse than stock heads if the guy didn't know what he was doing.
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