SBC rocker arm question

[beebemotorsports]

i have a set of dart iron eagle 230 heads and am using a set of offset lifters.
would it be ok to run a set of non offset rockers with guide plates.

they would be a 1.5 ratio with 7/16 studs

[Chris Uratchko]

Well I recall those heads take a normal guide plate? I've never tried to use an offset lifter with a guide plate in the standard position. You'll have to mock it up and see if it will work from just a fitment standpoint.... The guide plate is going to act like a fulcrum, and the resultant pushrod angle at the lifter, will also exist(not to the same extent) at the rocker but in the opposite direction(can you visualise this?) But that's important because that guide plate is the only thing locating the rocker on the valve.... I'm pretty certain the rocker tip will no longer be properly located on the tip of the valve..... of course none of this is taking into account the dynamics of the resultant pushrod angularity.... certainly not ideal. But if you have the stuff laying around it might be worth a mockup to see the results.

[beebemotorsports]

thanks for the advise

looks like i will have to go with an offset set up

any suggestion on a resonable price set under 1000.00 :shock:

[Chris Uratchko]

Jesel makes a 'sportsman' series shaft setup for those heads in the 600 dollar range... call them direct or you might find a dealer cheaper.

[Chris Uratchko]

I've never used one before, but doesn't someone make an adjustable guide plate? That could solve the issue.

[tom_cowle]

Actually comp cams makes a guide plate just for this head.

Isky makes the "sliding" guide plates that your referring to Chris.

tom cowle

PS if you use these heads, fill in the dip in the intake runner, the engine will love that.

[beebemotorsports]

Thanks Guys
I think i'll go with the jessel Sportsman rockers

Matt