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Topic: Almost Stalls

in Forum: C3 Engines


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Almost Stalls

Posted: 10/23/03 8:53pm Message 1 of 4
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Adam Wartell
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C3VR Founder
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Eagleville, PA - USA
Joined: 11/1/2001
Posts: 18410
Vette(s): Used to own a 1979 Corvette now owned by JB79
Why would my engine almost stall when I come to a quick stop, versus runs just fine when I come to a slow stop?


-Adam Wartell
NCM Lifetime Member #1222
Founder: C3 Vette Registry 
C4 Vette Registry, C6 Vette Registry

My first Vette, now owned by JB79:

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Almost Stalls

Posted: 10/24/03 3:51am Message 2 of 4
Owen
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HOUSTON, TX - USA
Joined: 11/15/2002
Posts: 296
Vette(s): 1976 L-48 coupe
Adam, with the gas smell issue you mentioned in a different post, and this issue, I would first look at the carb. Maybe floats.

Owen |wavey|


Almost Stalls

Posted: 10/24/03 6:59am Message 3 of 4
Daytona69
Former Member
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Fountain Valley, CA - USA
Joined: 9/11/2003
Posts: 407
Vette(s): 1969 Daytona Yellow Coupe - ZZ4/4 speed, Hurst shifter, Griffin aluminum radiator w/ Dual Spals, March Serpentine Pulley kit, Hookers with STS Racing Baffles, VB&P Suspension bits, 17" AR Hopsters, L-88 Hood
My '70 did the exact same thing when I had the original Q-Jet on it...slam on the brakes and it would stall. Check the carb, the float was bad in mine.

|UPDATED|10/24/2003 6:59:27 AM|/UPDATED|



Almost Stalls

Posted: 10/24/03 8:21am Message 4 of 4
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Sarge81
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WEST SENECA, NY - USA
Joined: 12/3/2001
Posts: 2379
Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
I agree with Owen and Matt. Rochester Q-jets have a nitril float in them. After many years these tend to get saturated with gas then sink. I would pull the carb off and get a rebuild kit w/float. These carbs are fairly easy to rebuild. Check the primary throttle shaft for any side to side play in it. If it has a lot of slop in it then you could do one of two things. Send it out to a carb. specialist and have it re-bushing, or get a new replacement Q-jet. Edelbrock make a nice Q-jet series carb. I have one on mine and no problems with it.
Sarge |thumb|



GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.
3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


Lifetime Member #26

in Forum: C3 Engines


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