Warhawk LS1 Numbers
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From: Long Island, NY
Warhawk LS1 Numbers Tested on SuperFlow 1030-28", no pipe, straight valves, bowl blend no deeper than 1/2" in. As-cast heads.
Intake: Exhaust:
.200 - 134.0 108.3
.300 - 196.9 152.3
.400 - 241.7 178.7
.500 - 274.8 192.1
.600 - 295.3 197.8
.700 - 293.3 199.9
Intake: Exhaust:
.200 - 134.0 108.3
.300 - 196.9 152.3
.400 - 241.7 178.7
.500 - 274.8 192.1
.600 - 295.3 197.8
.700 - 293.3 199.9
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Originally Posted by MerlinPro
Tested on SuperFlow 1030-28", no pipe, straight valves, bowl blend no deeper than 1/2" in. As-cast heads.
Intake: Exhaust:
.200 - 134.0 108.3
.300 - 196.9 152.3
.400 - 241.7 178.7
.500 - 274.8 192.1
.600 - 295.3 197.8
.700 - 293.3 199.9
Intake: Exhaust:
.200 - 134.0 108.3
.300 - 196.9 152.3
.400 - 241.7 178.7
.500 - 274.8 192.1
.600 - 295.3 197.8
.700 - 293.3 199.9
Is that good ????????
What are the valves sizes and runner volume? These numbers are weak considering they are after market heads. Do you know the deck thickness? I hope they have a lot of room to be ported.
Originally Posted by V6 Bird
not really considering these are not box stock and the bowl is blended. On top of that they back up... 
Originally Posted by Forteen3GT
I assume they are backing up after .670lift...... if they are as cast, not bad... probably get a porter to add another 30cfm, otherwise I am not too impressed....... get some more info on em. Runner volume?
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From: Long Island, NY
Technical Specifications
Material: 355-T6 alloy high density aluminum (.600" thick deck)
Valve Seats: Steel intake, hardened steel exhaust
Valve Guides: Bronze
Valve Spring Seats: Machined for 1.550" springs
Intake Valve Size: 2.080" on 220cc head"
Exhaust Valve Size: 1.600" (all stems are 5/16")
Valve Angle: 15° (same as rocker arm attachment)
Intake Runners: 220cc
Combustion Chambers: Choice of 64cc or 72cc
Valve Cover Rails: Raised .300" to clear aftermarket rockers
Assemblies: Choice of 3 spring/valve packages (plus bare heads)
Material: 355-T6 alloy high density aluminum (.600" thick deck)
Valve Seats: Steel intake, hardened steel exhaust
Valve Guides: Bronze
Valve Spring Seats: Machined for 1.550" springs
Intake Valve Size: 2.080" on 220cc head"
Exhaust Valve Size: 1.600" (all stems are 5/16")
Valve Angle: 15° (same as rocker arm attachment)
Intake Runners: 220cc
Combustion Chambers: Choice of 64cc or 72cc
Valve Cover Rails: Raised .300" to clear aftermarket rockers
Assemblies: Choice of 3 spring/valve packages (plus bare heads)
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Originally Posted by MerlinPro
Technical Specifications
Material: 355-T6 alloy high density aluminum (.600" thick deck)
Valve Seats: Steel intake, hardened steel exhaust
Valve Guides: Bronze
Valve Spring Seats: Machined for 1.550" springs
Intake Valve Size: 2.080" on 220cc head"
Exhaust Valve Size: 1.600" (all stems are 5/16")
Valve Angle: 15° (same as rocker arm attachment)
Intake Runners: 220cc
Combustion Chambers: Choice of 64cc or 72cc
Valve Cover Rails: Raised .300" to clear aftermarket rockers
Assemblies: Choice of 3 spring/valve packages (plus bare heads)
Material: 355-T6 alloy high density aluminum (.600" thick deck)
Valve Seats: Steel intake, hardened steel exhaust
Valve Guides: Bronze
Valve Spring Seats: Machined for 1.550" springs
Intake Valve Size: 2.080" on 220cc head"
Exhaust Valve Size: 1.600" (all stems are 5/16")
Valve Angle: 15° (same as rocker arm attachment)
Intake Runners: 220cc
Combustion Chambers: Choice of 64cc or 72cc
Valve Cover Rails: Raised .300" to clear aftermarket rockers
Assemblies: Choice of 3 spring/valve packages (plus bare heads)
