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please confirm my pushrod length befoe I order

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Old 09-23-2012, 07:10 PM
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Default please confirm my pushrod length befoe I order

I got a '99 TA with LS1 ,its got prc heads with ms4 cam ,Ls7 lifters and Harland Sharp 1.8 Non-Adjustable Rockers.i measure around 7.445 to 7455 on exhaust and 7.465 on intake at zero lash. but i dont know what to allow for preload. I can order 7.475 but I dont know if they be the right ones.
I would appreciate any help
Old 09-23-2012, 07:32 PM
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I woud use 7.500 giving you .035 to .055 pre load
Old 09-24-2012, 09:11 AM
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How did you measure those lengths? Are you using a dial caliper and measuring the adjustable pushrod tip to tip? Or are those the results of counting the turns to get back to the short length and multiplying that by .050"?
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Old 09-24-2012, 03:00 PM
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Originally Posted by Matt@Texas-Speed
How did you measure those lengths? Are you using a dial caliper and measuring the adjustable pushrod tip to tip? Or are those the results of counting the turns to get back to the short length and multiplying that by .050"?
these were measured tip to tip with dial calibers
Old 09-24-2012, 03:37 PM
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yes i know i cant spell
"dial calipers"



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