Lifter Preload?
[QUOTE=bearcatt;12534168]What vettenuts said x 2 
Your motor deserves the utmost precision possible.
What's another $100 to buy a pushrod checker after spending hundreds or even thousands of dollars on an engine project.
Manton sent me a pushrod checker and 2 check springs to my door shipping included $12.00. The guys awesome "Mr Pushrod". He also said, He would have my pushrods made 2 hours after I called him with the length.
The rotation method would definitely work but if you order custom length pushrods from Manton you could get the exact size. I don't recall what lifter you have but thats what determines correct preload length. So if they are aftermarket check with the manu. and then you can order the right size pushrod for your engine configuration and preload requirements.
Ed
Your motor deserves the utmost precision possible.
What's another $100 to buy a pushrod checker after spending hundreds or even thousands of dollars on an engine project.
Manton sent me a pushrod checker and 2 check springs to my door shipping included $12.00. The guys awesome "Mr Pushrod". He also said, He would have my pushrods made 2 hours after I called him with the length.
The rotation method would definitely work but if you order custom length pushrods from Manton you could get the exact size. I don't recall what lifter you have but thats what determines correct preload length. So if they are aftermarket check with the manu. and then you can order the right size pushrod for your engine configuration and preload requirements.
Ed
if you found out the valve height was the problem i would just have a GOOD head guy do a nice valve job. should only run a few hundred for the work
No, just make sure the lifter is on the base circle, screw the length checker out till you have zero play. Make sure you don't screw out the checker too far and start depressing the plunger in the lifter against its spring. This is zero pre-load then just add the manufacturers recommended "preload" length to the adjusted pushrod length checkers overall length. This is the size pushrod to order.
No, just make sure the lifter is on the base circle, screw the length checker out till you have zero play. Make sure you don't screw out the checker too far and start depressing the plunger in the lifter against its spring. This is zero pre-load then just add the manufacturers recommended "preload" length to the adjusted pushrod length checkers overall length. This is the size pushrod to order.
What vettenuts said x 2
Also using this EO/IC method may work but in all honesty, on my own car I would much rather use a pushrod checker. Done correctly, it's easy, fast and accurate.
You're not doing a typical cam swap where 7.425 pushrods and the EO/IC method will usually work. Your motor deserves the utmost precision possible.
What's another $100 to buy a pushrod checker after spending hundreds or even thousands of dollars on an engine project.
This might help too. I saved this from another thread a while back, courtesy of vettenuts.
.
Also using this EO/IC method may work but in all honesty, on my own car I would much rather use a pushrod checker. Done correctly, it's easy, fast and accurate.
You're not doing a typical cam swap where 7.425 pushrods and the EO/IC method will usually work. Your motor deserves the utmost precision possible.
What's another $100 to buy a pushrod checker after spending hundreds or even thousands of dollars on an engine project.
This might help too. I saved this from another thread a while back, courtesy of vettenuts.
.
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I've heard good things about Manton's products and service.
.
What vettenuts said x 2
Your motor deserves the utmost precision possible.
What's another $100 to buy a pushrod checker after spending hundreds or even thousands of dollars on an engine project.
Manton sent me a pushrod checker and 2 check springs to my door shipping included $12.00. The guys awesome "Mr Pushrod". He also said, He would have my pushrods made 2 hours after I called him with the length.
The rotation method would definitely work but if you order custom length pushrods from Manton you could get the exact size. I don't recall what lifter you have but thats what determines correct preload length. So if they are aftermarket check with the manu. and then you can order the right size pushrod for your engine configuration and preload requirements.
Ed
Your motor deserves the utmost precision possible.
What's another $100 to buy a pushrod checker after spending hundreds or even thousands of dollars on an engine project.
Manton sent me a pushrod checker and 2 check springs to my door shipping included $12.00. The guys awesome "Mr Pushrod". He also said, He would have my pushrods made 2 hours after I called him with the length.
The rotation method would definitely work but if you order custom length pushrods from Manton you could get the exact size. I don't recall what lifter you have but thats what determines correct preload length. So if they are aftermarket check with the manu. and then you can order the right size pushrod for your engine configuration and preload requirements.
Ed
I've heard good things about Manton's products and service.
.
