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Old Nov 7, 2016 | 04:48 AM
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what are the largest pushrods that will go in a 99 c5 with yella terra 1.8 rockers? will 3/8 double tapered fit?

Last edited by romandian; Nov 7, 2016 at 04:55 AM.
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Old Nov 7, 2016 | 06:50 AM
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With stock heads, from what I have read, the 11/32" Mantons will fit. I used the 3/8 double taper in my AFR heads because I was told straight 3/8 wouldn't fit. I did do a test fit first though. I have a write-up on it that I posted several years ago. If you are unsure, I believe Trend will sell you two pushrods to test rather than purchasing an entire set. Speak to their tech department.

Last edited by vettenuts; Nov 7, 2016 at 06:51 AM.
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Old Nov 7, 2016 | 06:57 AM
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i have seen that thread, i believe you put a hose around the pushrod.
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Old Nov 7, 2016 | 09:00 AM
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I was told 3/8 wouldn't fit unless you open the holes a bit in the heads so I ended up going with the 11/32 manton's... they are very nice pushrods and a good company to deal with... here's the manton compared to your standard 5/16 chromoly pushrod



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