Don Terrill’s Speed-Talk

The heads pictured look like Profiler.

Probably better to call I filled out their online form a couple times & never heard back.

When I made my headers, I talked to Calvin & I ended up with primaries & secondaries the same length. Much different engine but similar in HP, pretty sure he said HP dictates the area/dia.

Yea pretty sure he' would have been there. He was on this one too.
https://www.tapatalk.com/groups/racingf ... 2bfc129958

Haven't seen him lately, did something happen?

I have a RPM spread bore that I want to put on my 421. It has a Vic Jr. on it now. Wondering if I should notch the divider, how much & where? Jim, Has vic jnr had porting/plenum work ?? If not and you do change to airgap it would be nice to rework the jnr when you change back later on. The airg...

1980RS wrote: ↑Wed Dec 08, 2021 12:42 pm You mean like this?

Yea I suppose something like that, I've some Qjet intakes where they put the notch by the secondaries.

BOOT wrote: ↑Tue Dec 07, 2021 7:35 pm Also what cfm is the carb?

Large primary Qjet. So 800?

F-BIRD'88 wrote: ↑Tue Dec 07, 2021 7:11 pm Leave the full divider in place and try out various spacer types for effect.

Could try that.

I have a RPM spread bore that I want to put on my 421. It has a Vic Jr. on it now. Wondering if I should notch the divider, how much & where?

Did anyone know him? Is he not with us anymore? Sad if he's not.

A truck like that would be cool with a 4-53 in it. Not a bunch of power but a whole lotta noise.

Might be overkill, but I'm giving this some thought.

https://kelderman.com/

econo racer wrote: ↑Mon Nov 29, 2021 5:24 am What are yall trying to do? See who can pull a camper at 120 mph?

There is a record for that.