Are these heads to much for stock internals
#1
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Are these heads to much for stock internals
I just bought these heads for someone on here, and got to thinking they might be to much for my stock engine. Plans are right now for a comp 224 or 230. I drive this car everyday, but would like to get major power. If they are to much i might wait to buy a shortbock befor they go in the car. Please expert LS1 tech God's help!
CNC Stage 2 LS1 Heads
225cc Intake Port size
64cc Combustion Chamber
285+ CFM intake at 0.550"
215+ CFM exhaust at 0.550"
2.080 Intake Valve
1.600 Exhaust valve
Dual Valve Springs
Titanium retainers
Hardened valve spring seats
CNC Stage 2 LS1 Heads
225cc Intake Port size
64cc Combustion Chamber
285+ CFM intake at 0.550"
215+ CFM exhaust at 0.550"
2.080 Intake Valve
1.600 Exhaust valve
Dual Valve Springs
Titanium retainers
Hardened valve spring seats
#3
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Originally Posted by jrp
2.08 intake is a bit of an overkill on the stock 3.90 bore.
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The 2.08 valve is real close to the cylinder wall and is shrouded between the valve and the smaller bore of your 5.7 but I think the large 225cc intake will hurt low to midrange hp also throttle response. They would be better on a stroker or ironblock.
#7
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Originally Posted by FASTONE
Bigger cam would make it worse!
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#8
throw them on, see what happens ... not good, take them off and sell them to someone that might get better use out of them and buy another set with the money ... good results, then no worries ... you only waste money on gaskets and bolts