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Old 06-03-2022, 12:06 AM
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unruhjonny unruhjonny is offline
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@'relic;
I don't really know what you're trying to do here.

The OP was asking for advice on modifying their Quadrajet's metering, and you started up talking about these other carbs;
I was following, because frankly I thought what you were showing looked neat - even if it had no bearing what so ever on what the OP (tremo) wanted to glean from the membership here.

But now you're trying to argue with what Cliff has shared?

Please don't try to antagonize the man;
I for one appreciate what he and a few other Quadrajet experts share.
I am grateful he still comes to this corner of the internet.

Doug Roe's book was good for it's time, and still offers some great information if you can find the original printing (HP-35; 1973);
The original printing was so much better than the latter condensed version, but even some of his tips have been proven over time to not offer the gains suggested;
The thing that immediately come to mind from Roe's book was the drilled out idle tubes;
I sold his latter book probably over a decade ago, but I seem to recall that even that printing was still touting the drilled out idle tubes shown on pg 256 of
Roe's original book - Cliffs book offers why this is a bad idea on page 104 of his book.

Beside's unless I am mistaken flow measuring is done on a bench designed to measure airflow, not a motor.

Oh wait... I just noticed this post:
Quote:
Originally Posted by GTO-relic
let's be honest here. the first thing an honest Qjet builder will tell you is,
you will always make more HP with a Holley, inch for inch.
Ok, you got me.


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Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)

Last edited by unruhjonny; 06-03-2022 at 12:19 AM.
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