pushrods for gn1 14 bolt heads

[Frank87gn]

I have the following: GN1 14 bolt heads, scorpion roller rockers, gm stock lifters,
Erson 214/214 flat tappet cam.
What should the pushrods lengths be. I was told the stock ones might be too long.
Any info would be appreciated thanks.

 

[dank GN]

You have to measure for the correct push rods length . Every motor will be different . Order a pushrods checker .

 

[Frank87gn]

Spoke to Tom at Champion yesterday and told me it's 8.850.

 

[pacecarta]

i doubt stock (8.7" ) will be too long , with roller lifters they fall around 8.5" and roller lifters in general require a push rod .5-.6" shorter than with flat tappet .
you're probably looking at a 9" rod for flat tappet on alum gn1s but youll need to measure ,
with std height valves should fall in the range Tom suggests , he did mine with 1/8" taller valves

 

[Frank87gn]

I just ordered from Summit COMP Cams pushrods part #7780-16. Did I do a good choice?

 

[~JM~]

You have to measure for the correct push rods length . Every motor will be different . Order a pushrods checker .

This was the correct answer.