Wut size do I need?

[JerryDaugherty]

I have Edelbrock Performer RPM heads and Comp Cams Magnum 1.6 RR's My pistons are notched REEEEEEAL deep so PV clearance isnt as major. Wut size psuhrods should I be needing? Oh yea my cam is Crane 2030. Do i need 6.700,6.750,????

 

[JerryDaugherty]

?

 

[Grn92LX]

You need to measure. Usually 6.7" is for TFS headed cars.

 

[txstang84]

if you're running Edelbrocks' with the stock style roller setup, then you more than likely need the stock length pushrods (since Edelbrocks utilize stock valve location and angles), 6.272" length, 5/16" diam; that's what we used on 1EVIL88VERT's 302 with Edelbrock RPM heads; FRPP sells a set out of jegs for $40...you'll need hardened pushrods if you're running guideplates

(the non hardened ones will gall themselves to death on the plates)

 

[JerryDaugherty]

thanks for the info dude... a question though... will longer or shorter rods dictate higher or smaler lift such as a different ratio rocker arm?