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Old Jan 3, 2012 | 02:10 PM
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Default head install help
i recently broke springs on my 2002 z06 i want to upgrade the heads while im at it since the motor has 85k miles and a bolt is broke in the head from a header install. once i take the old heads off will the new heads just bolt back on with new gaskets? they are the same 243 casting. also do i need new lifters and pushrods? i know these are fairly easy answers i just want to make sure i'm on the right path before i start buying everything.
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Old Jan 3, 2012 | 02:19 PM
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Originally Posted by WHoisu05
i recently broke springs on my 2002 z06 i want to upgrade the heads while im at it since the motor has 85k miles and a bolt is broke in the head from a header install. once i take the old heads off will the new heads just bolt back on with new gaskets? they are the same 243 casting. also do i need new lifters and pushrods? i know these are fairly easy answers i just want to make sure i'm on the right path before i start buying everything.
With 85K on the clock, I would definitely replace the lifters and pushrods during a head swap. New gaskets and new head bolts.
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Old Jan 3, 2012 | 02:22 PM
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Originally Posted by lucky131969
With 85K on the clock, I would definitely replace the lifters and pushrods during a head swap. New gaskets and new head bolts.
thanks thats what i was thinking. i dont want a crazy build just a little something extra that will freshen up the motor. ive read a few threads that people are using ls7 lifters have you seen this?
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Old Jan 3, 2012 | 02:45 PM
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Originally Posted by WHoisu05
thanks thats what i was thinking. i dont want a crazy build just a little something extra that will freshen up the motor. ive read a few threads that people are using ls7 lifters have you seen this?
If you are sticking with stock lifters, that's all that is available.
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Old Jan 3, 2012 | 03:11 PM
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Originally Posted by lucky131969
If you are sticking with stock lifters, that's all that is available.
Have you ever used Texas speed cams? Looking at torquer v2 v3 or 233/239 with 112 lsa.
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Old Jan 3, 2012 | 03:15 PM
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Originally Posted by WHoisu05
Have you ever used Texas speed cams? Looking at torquer v2 v3 or 233/239 with 112 lsa.
Nope, but plenty on this forum have.....I'm sure they will chime in.
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Old Jan 3, 2012 | 03:27 PM
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Not all 243 heads are the same. Your heads have the lightweight valves. Do the heads you are using for replacement have the same valves?
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Old Jan 3, 2012 | 03:30 PM
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Originally Posted by vettenuts
Not all 243 heads are the same. Your heads have the lightweight valves. Do the heads you are using for replacement have the same valves?
Yes I believe they do
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Old Jan 3, 2012 | 06:13 PM
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MAKE SURE,,,,,,, that the head bolt holes in the block are ABSOLUTEY "DRY" and clean!!!!!!!!!!!!!!!!!!!!!!!!!! Damage will result if not!!!!!!!!!!!!!!!!!!!

BC
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Old Jan 3, 2012 | 06:16 PM
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From: Dallas Tx
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Does anybody know the pushrod length?? Texas speed said unless I measure them there's no way to tell
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Old Jan 3, 2012 | 06:17 PM
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Bill is right on, you can break a block easy. I have the Texas Speed 228R cam and it is very street able with great power gains.
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Old Jan 3, 2012 | 06:21 PM
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Originally Posted by Paul 75 L82
Bill is right on, you can break a block easy. I have the Texas Speed 228R cam and it is very street able with great power gains.
I'm looking at the torquer v3 and the 233/239 tsp said they are all real close together
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