advice on these pushrods for 3.7 470 please.

[artificialreef]

Good morning folks. Please provide your opinion on the direction i am going. Quick rundown on what i did. I have a 1983 470 that had a ticking/noisy valve. Purchased the lifter collapsing tool (I replaced the lifter)and thought i was collapsing the lifters in the sequence called out in the manual when in reality i was bending all my pushrods. These different length pushrods are difficult to find and expensive. I read that ford 429/460's are usable if you get the correct lengths. I went to a machine shop and he located what i thought were stock length. 8.648 melling part# mpr-308. Now i know you have to adjust the valves with a feeler gauge but you need a starting point and the old ones were all bent, so no measuring there. I did hammer one out and got 8.592. I installed the 8.648's and (did not start it yet) the feeler gauge is a little tight. I found some lunati's part number 80767-s for a 429/460 that are 8.616 that i would like to try to get closer to a .150 clearance.
My question is do you think this it is ok to use the lunati part number 80767-1 on a mercruiser 470/3.7 if the lash specs out?
They are 5/16 which is the stock .312 dia. Ball type ends and 8.616.

Thank you for your help. I am trying to do this right but the red dye pushrods are expensive and hard to find.

 

[artificialreef]

Re: advice on these pushrods for 3.7 470 please.

Found the Mercruiser pn 67502-3 at twice the price of the lunati's and purchased the oem. Not worth it i guess for the difference between 25$ and 50$. Still kind of curios as to if it would have worked or not. Look like the same parts.

 

[artificialreef]

Re: advice on these pushrods for 3.7 470 please.

Just for the record. I think these might work and are 2.50 a piece vs the 5.00$ to 10.00$ each for merc if you can find them. This is for the 470/3.7 owners messing with their valve lash. I needed the -3 and found the Merc oem at 5.00$ (qty 8) and went with that. Just putting this up their if your on a tight budget. The oem is not available on this site or i would have bought them here.

Merc pushrod 67502-3 no dye or red dye .312 dia, 8.595 - 8.625 length. Lunati 80767-1 .312 dia, 8.616 length (auto ford 460)
Merc pushrod 67502-5 no dye .312 dia, 8.625 - 8.655 Melling mpr-308 .312 dia, 8.648 length (auto ford 460)
Merc pushrod 67502-4 blue .312 dia, 8.544 - 8. 685 havent needed to find this yet.
Merc pushrod 67502-6 yellow .312 dia, 8.685 - 8.715 havent need to find this yet.