Thumper E7 Ported Heads with Crane Beehive style Springs

LugNutLX

LugNutLX

Forum Member
Thumper Ford 302 E7 Ported Heads with Crane Beehive style Springs $550 OBO

I bought these a few years back and never installed them. Thumper Performance Heads still has a website but I cant find info on there for the 302 heads. Do some research or call them if you want more info. They have been kept inside my house stored in bags.
Asking $550 OBO
248-721-5214 Dan

I dont remember all the specs but I know they flow right around a GT-40X head and I believe the springs to be .580 lift for a hyd roller. I sent them an email to get all the specs on the heads.

y2kr said:
Here is flow data from an old file I saved a few years ago. I got it off the web so not sure how accurate it is??

View attachment 72993
Click to expand...

Spring specs here:
http://www.jegs.com/i/Crane+Cams/27...1&cadevice=c&gclid=CMmv2OrFs74CFQcSMwod81cAKg

http://www.thumperheads.com/








 
Last edited:
I dont remember all the specs but I know they flow right around a GT-40X head and I believe the springs to be .580 lift for a hyd roller. I sent them an email to get all the specs on the heads.

http://www.thumperheads.com/
 
Last edited:
Flow data

Here is flow data from an old file I saved a few years ago. I got it off the web so not sure how accurate it is??

Thumper E7TE Flow Data.JPG
 
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