GT40 351 lightning heads

[u14]

I have a set of 351 lightning GT 40 heads going on my 69 351 engine. Anyone know if pushrods are same length?

[TRAILBOUND]

Re: GT40 351 lightning heads

so they are GT40X or GT40P? P's are cast iron and X's are alluminum. I know that there is not a differance with the P heads, but cant speak for the X's. But I highly dought that factory heads would require longer pushrods.

[u14]

Re: GT40 351 lightning heads

They are cast iron. I was told that my long tube headers would work on these, but not on P heads.

[Delta 4 Wheel]

Re: GT40 351 lightning heads

Push rods should be the same. Do you have roller rockers? I have a push rod length checker you can use. I would suggest you do this to make sure.

[u14]

Re: GT40 351 lightning heads

Push rods should be the same. Do you have roller rockers? I have a push rod length checker you can use. I would suggest you do this to make sure.

Thanks I'll take you up on the checker. I was going to tear it down this weekend. Instead we're going to do JAVILAMFD body mount, body lift and powersteering sunday and monday. I'll get back to you when I do.

Greg