First Generation Firebird-L Mailing List
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I bought a jet carb from Jegs and was happy with the numbers...Great around
town...and that sound....BooooWAAAAA....You think its lag then that extra
skin hits the headrest....:)
Ron
----- Original Message -----
From: "Thomas R." <[email protected]>
To: "'First Generation Firebird-L'" <[email protected]>
Sent: Monday, March 23, 2009 9:52 PM
Subject: RE: [FGF] Frustrated with Q-jet - feedback on Edlebrook - 69 400
TH400
First Generation Firebird-L Mailing List
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I am not knocking Q-Jets because I know a LOT of guys that swear by them and
I have one on my 77 T/A, BUT...
I could also not get a good stable idle with 3 Q-jets on my '69 Bird. It
was pissing me of so bad. So I took off the Q-Jet, and bolted down a brand
new Edelbrock 600cfm I had lying around from a parts car I bought. No
tweaking, just opened the box, put on a new gasket, bolted it down, and
hooked up the gas. No adjustments. Once the bowl filled with gas it turned
over on the FIRST crank and idled like a freakin' champ. This carb has not
been taken of since then, and I have never even adjusted it (short of the
idle speed screw the first day) in the 2.5 years since I put it on. Just
turn the key and go.
I'm sure it's not a performance powerhouse like the Q-Jets can be, but at 19
mpg on the highway, my pocketbook doesn't care, and it's plenty fast for me.
No sure on the factory air cleaner, but I'm sure someone you know who has an
Edelbrock can let you try to fit yours.
The TH-400 kickdowns should be just fine. Millions of folks use Edelbrocks
with TH-400s.
Thomas
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Jim
Sent: Monday, March 23, 2009 8:10 PM
To: First Generation Firebird-L
Subject: [FGF] Frustrated with Q-jet - feedback on Edlebrook - 69 400 TH400
First Generation Firebird-L Mailing List
.........................................................................
I bought a proper # Q-jet and rebuilt it. Found that someone had monkeyed
with it before and plugged a couple idle circuts and some other things. It's
a lot better then the wroing QJ that was on my engine but it seems to bind
and does not want to return to idle. It seemed fine on the bench. The idle
screws don't work evenly either, turning one in will kill the engine
but turning the other in does not. The choke mechanism sucks too. Anyway
I"m really frustrated and wondering if I should just by an Edlebrook. My 64
T-bird has the precuser to the current Edlebrooks, a Carter, and it idles
and runs very smooth.
Who's swapped their QJ for an Edlebrook, esp if you had a TH400 - how is the
downshift switch handled???? Does the factor Air Cleaner fit without
adaptors? That's the biggest problem on my T-bird, the factory air cleaner
hits stuff and I have to use a spacer to lift the air cleaner up and it
almost hits the hood. I really want to keep the factory air cleaner.
Jim
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