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Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 12-04-2005, 11:34 PM
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I might be getting a set of 240`s-maybe even 255`s for my iron 408 soon!
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Old 12-05-2005, 07:45 AM
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I have some prelimb pics of on 265's I will go home at lunch today and gwt the finished pics.

Specs:
Lightweight Hightemp 1.60 Exhaust Valves
Xceldyne 2.150 Intake Valves Titanium Valves
Xceldyne Titanium retainers
Xceldyne Titanium Locks
PSI valve Springs good to .850 lift
Copper Valve Seats

Here are my Flow Numbers:
In Ex

.100 73 56
.200 156 110
.300 216 159
.400 275 210
.500 321 227
.550 337 236
.600 349 237
.650 358 238
.700 364 240
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Old 12-05-2005, 07:51 AM
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What size bore did you flow them with?
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Old 12-05-2005, 08:31 AM
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Originally Posted by 777
What size bore did you flow them with?
4.125 same as my engine
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Old 12-05-2005, 09:34 AM
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Damn copper seats, FMR! Those are beautiful. Will have some pics of mine once they get here, reminds me I need to call.
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408 bore and stroke?




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