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Topic: First Spring no start

in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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First Spring no start

Posted: 4/1/07 1:26pm Message 1 of 19
jedlevine
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NORTH LAS VEGAS, NV - USA
Joined: 3/3/2003
Posts: 90
Vette(s): 1975 Coupe NOM 350: Edelbrock 64cc heads, QJet clone, Performer manifold & cam, gear drive and water pump; MSD ProBillet dist and 6A box, Comp rollers, Hedman headers into true duals, Magnaflow cans,TH400 w/shift kit, TT2's, 3.70RA, hi-rise hood
Been storing my 75 outside for the winter with the usual fuel stabilizer, etc. since 1999. This is the first Spring where she wouldn't light off. Cranks fine, spark is fine, fuel feed to the in-carb filter is OK. Believe I'm losing it in the carb, as the starting squirters don't squirt. Carb is an Edelbrock Rochester clone.  My guess is I'm a victim of the new blends of gas, which gum even with stablizer.
 
Never had this carb apart.  All hints/suggestions welcome!!!



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First Spring no start

Posted: 4/1/07 1:36pm Message 2 of 19
lost in the 60's
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Newark, CA - USA
Joined: 4/29/2004
Posts: 350
Vette(s): 1969 Corvette 4-speed ZZ-4 crate Monza Red
Did you try to prime it just a little to see if she would fire?


First Spring no start

Posted: 4/1/07 2:36pm Message 3 of 19
jedlevine
Former Member
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NORTH LAS VEGAS, NV - USA
Joined: 3/3/2003
Posts: 90
Vette(s): 1975 Coupe NOM 350: Edelbrock 64cc heads, QJet clone, Performer manifold & cam, gear drive and water pump; MSD ProBillet dist and 6A box, Comp rollers, Hedman headers into true duals, Magnaflow cans,TH400 w/shift kit, TT2's, 3.70RA, hi-rise hood
In fact, I did  ... and she fired for a split second. That's why I suspect the inlet  end of the carb ...
 
Thanks



First Spring no start

Posted: 4/1/07 3:27pm Message 4 of 19
ranger3
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North Charleston, SC - USA
Joined: 3/20/2004
Posts: 4176
Vette(s): 1975 L48 AT AC T-top
May be the float is stuck?


First Spring no start

Posted: 4/1/07 3:37pm Message 5 of 19
jedlevine
Former Member
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NORTH LAS VEGAS, NV - USA
Joined: 3/3/2003
Posts: 90
Vette(s): 1975 Coupe NOM 350: Edelbrock 64cc heads, QJet clone, Performer manifold & cam, gear drive and water pump; MSD ProBillet dist and 6A box, Comp rollers, Hedman headers into true duals, Magnaflow cans,TH400 w/shift kit, TT2's, 3.70RA, hi-rise hood
Sounds likely. (Had same problem with my snowblower this winter - much easier carb to diassemble and free the float!!)  Looking for hints/lookouts re: diassembling the top end of the QJet. All I have is the Roe book on Rochesters.  Any magic around removing the air horn?  Looks like it can be done on the car ...
 
Thanks



First Spring no start

Posted: 4/1/07 6:58pm Message 6 of 19
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Adams' Apple
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Check out THIS link for Ken's excellent Quadrapuke carb o/haul article. (Click on the button)

It does sound like a sick carb. Might need some laxative!!


Joel Adams
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First Spring no start

Posted: 4/2/07 3:13am Message 7 of 19
jedlevine
Former Member
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NORTH LAS VEGAS, NV - USA
Joined: 3/3/2003
Posts: 90
Vette(s): 1975 Coupe NOM 350: Edelbrock 64cc heads, QJet clone, Performer manifold & cam, gear drive and water pump; MSD ProBillet dist and 6A box, Comp rollers, Hedman headers into true duals, Magnaflow cans,TH400 w/shift kit, TT2's, 3.70RA, hi-rise hood
Was considering Drano!!
 
Thanks for the link!



First Spring no start

Posted: 4/2/07 4:18am Message 8 of 19
OlrustysGhost
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Spotsylvania, VA - USA
Joined: 1/20/2007
Posts: 293
Vette(s): 1977 Silver Coupe
Wack it with a rubber mallet, See if it will free a sticky float.


First Spring no start

Posted: 4/2/07 6:19am Message 9 of 19
jedlevine
Former Member
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NORTH LAS VEGAS, NV - USA
Joined: 3/3/2003
Posts: 90
Vette(s): 1975 Coupe NOM 350: Edelbrock 64cc heads, QJet clone, Performer manifold & cam, gear drive and water pump; MSD ProBillet dist and 6A box, Comp rollers, Hedman headers into true duals, Magnaflow cans,TH400 w/shift kit, TT2's, 3.70RA, hi-rise hood
Worth a shot - low tech, high impact!! Won't be able to do anything til Friday earliest --- combination of work and rain.
 
Thanks!



First Spring no start

Posted: 4/2/07 9:16pm Message 10 of 19
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aceinthehole
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Manteca, CA - USA
Joined: 11/20/2005
Posts: 3623
Vette(s): 1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed
If you drop the fuel line at the carb, you can shoot it with carb cleaner if the needle is stuck or try forcing fuel in with a gravy baster ( don't tell the wife ) or battery fill bulb. Same thing happened on my holly. try to stay away from methanol enhanced fuels ( like 76 ). They don't store for Censored.aceinthehole2007-04-02 21:18:00


Jimmy B.
Just can't wait to get on the road again.

 
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in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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