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john:
i have never seen an a/c only chevy intake. none of my books refer to an a/c
only or even mention including a/c. a GM #3844459 or #3866922 will work
with the first being more performance (higher HP)
Larry
>>>
Thanks Larry,
The OPG catalog says "accepts late-model waterneck, ac, alternator, and HEI"
in the description of the Performer RPM manifolds. Does that just mean that
it has threaded holes for the brackets? I can also see in the photo of that
manifold that it has 3 small ports on top whereas some of the others have
only two. That's what made me think that the a/c manifold might be
different.
I'm also looking at the regular Performer only because it's cheaper. The RPM
is a high-rise and may not fit with my stock hood either. The regular
Performer has a spread bore pattern though, and I'll need to know for sure
that it will take my Carter AFB carb. The RPM does not have a wider bore in
the back. Any advice about the differences between those two?
The third option is that a list member has offered to sell me a OEM cast
iron manifold, but I need to make sure that it is not spread-bore and
therefore meant to take a Q-jet. Not only will the throttle plates of the
AFB hit the smaller front bores, the Q-jet intakes also have a channel
across the front for vacuum. Any hope of using one of these and saving some
$$ or am I probably SOL and need the Edelbrock?
I really want to get this right the first time. This is the only thing
stopping me from finishing this motor.
Thanks,
John
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