Pushrod Length
#1
Pushrod Length
I have two engines in my garage. One is a 306 with an anderson b-41 cam and trickflow twisted wedge heads. The other is a 302 with a TFS1 cam and GT-40 heads (explorer heads). The 302 is currently in a car, while the 306 is not. I was in the process of taking the aluminum heads off the 306 and putting them on the 302. Well, the explorer heads had pedistal (sp?) mount non-roller rockers, while the TFS heads have stud mount roller rockers. And here is where the problem lies. The pushrods from the 306 are about 1/4" longer than the pushrods on the 302. I dont know which pushrods to use with the head swap. Thanks for your help.
#2
RE: Pushrod Length
the area on the trick flow head where the rocker stud threads in is a half inch higher than stock. the stock pushrod length is something like 6.27 in and trick flow recommends using a pushrod within .05 of 6.75 inches. so 6.70 6.75 or 6.80. but you shouldalways check your geometry before running engine. but to answer your question i would use the longer pushrod if you knew the 306 ran good with the twisted wedge heads.
#4
RE: Pushrod Length
ORIGINAL: hellas85stang
cam determines pushrod length,bigger lift means longer rod needed...cant use a stock rod on perf cams usually cuz there to short..my 512 lift rods are longer then stock
cam determines pushrod length,bigger lift means longer rod needed...cant use a stock rod on perf cams usually cuz there to short..my 512 lift rods are longer then stock
#5
RE: Pushrod Length
ORIGINAL: hellas85stang
cam determines pushrod length,bigger lift means longer rod needed...cant use a stock rod on perf cams usually cuz there to short..my 512 lift rods are longer then stock
cam determines pushrod length,bigger lift means longer rod needed...cant use a stock rod on perf cams usually cuz there to short..my 512 lift rods are longer then stock
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