Just purchased afr 185cc aluminum heads ,will I need longer push rods.
I have scorpion 1.72 stud mount. I put them in tonight and the heads and it looks as if the roller is riding on the upper side of the valve stem do I need long or shorter push rods thanks for the help. From anyoneYes and depending what rocker you use that will also make is vary....only way to do it is measure.
If I can help let me know....
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At 3/4 turn it still sound like a clock tough at a 1/2 turn wouldn't be even louder? I really don't know this is my first round with roller poly locks.I'd go 1/2 turn personally... 3/4 usually is too much
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yes and my arm knows it I have set reset and reset these freakin valves. The car starts like everything is perfect, I barely touch the starter and fires up and ticks loud.dumb question. Did you set each valve when it is at TDC-? Did you adjust the valves in the correct timing order? You can't just start cranking them down arbitrarily.
Pushrod Length:
This seems like an easily answered question, however there are many variables. Block and cylinder head deck heights, head gasket thickness, varying cams, rocker arms, and valve length can all affect pushrod length. Please see our following best estimates: for 165cc and 185cc standard or .100 long pushrods work in most cases. For 205cc or 225cc typically .100 or .200 long pushrods will achieve proper geometry. For exact pushrod length we suggest using an adjustable pushrod to determine proper length pushrod to be used. For detailed information on pushrod length, please view the FAQ section of our website.
http://www.airflowresearch.com/sbf_faq.php#pushrod
Is it basically in the middle or actually in the middle? Almost every experience I've had with AFR's have been a little noisy, certainly not like a clock though.Well I'm ready to take my car to a shop for the first time in my life. Someone please tell me what my next step needs to be. I checked the rocker it is basiclly in the middle of the vavle stem. I set everything to zero lash then put 3/4 turn on poly lock,set it, and then barely snugged it. And it sounds like a clock. Is it possible that I still need longer push rods even though it is riding close to the middle of the stem. Here is my set up... Afr 185 renegades stud mount 1.72 scorpion roller rockers stock length push rods. PLEASE HELP I am at whits end. The lifters are only a couple of months old.
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