[DeTomaso] About porting a Performer Air-Gap
Dave Londry
davel at emspace.com
Sat Jun 18 20:52:03 EDT 2011
I am in need of some additional advice here Dan.
My 4V heads are ported to 2.5 x 1.75
My old Performer 2665 had the ports taken out to 2.30 x 1.56
The new Air-Gap ports are 2.025 x 1.42
And the Edelbrock installation instructions say " For 4V applications,
no further porting is recommended".
Until I read that, I had planned to take them out to 2.30 x 1.56 also.
(on the basis that the guys who originally did the porting maybe had a
coherent plan.
They certainly did a nice-looking job.)
So I end up with all these choices
a. Leave it alone as Edelbrock says. (nice to shed one biggish job)
b. Take it out to 2.30 x 1.56
c. Take it out to 2.5 x 1.75 (I'd have to be careful about material
thickness)
d. Take it out to some other dimension
What do you think maestro?
tks
dave
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