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Is my pushrod length in the ballpark?

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Old Mar 29, 2011 | 08:47 AM
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Default Is my pushrod length in the ballpark?

Just got done measuring my pushrod length last night and just want to double check to make sure it seems in the ball park. Setup is:
799 heads milled .030
GM MLS gasket
XER cam
ls7 lifters

After torquing down the heads and the rocker I got just a tad over 9 turns with the comp cams pushrod length checker. That gives me 7.25 plus .100 for lifter preload (seems to be what everyone aims for with ls7's) gives me a 7.35 pushrod. That falls into one of the commonly used lengths and I'm 99.99% sure it's right, just making sure it seems right for this setup...mainly with the milled heads.
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Old Mar 29, 2011 | 09:10 AM
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Sounds like you did it right
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Old Mar 29, 2011 | 09:40 AM
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Looks like you did everything correctly so I'd say the 7.35 would be right only thing is I thought people aimed more for .080 for preload with lls7's but I could be wrong.
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Old Mar 29, 2011 | 09:44 AM
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Originally Posted by redbird555
Looks like you did everything correctly so I'd say the 7.35 would be right only thing is I thought people aimed more for .080 for preload with lls7's but I could be wrong.
From what I've been reading people look for .08-.100. If I aimed for .08 then I'd be at 7.33 which still rounds up to 7.350 . So yes, you're still right.
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