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06-02-2008, 11:07 PM
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#1 |
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Registered User
Join Date: May 2008
Location: austin,texas
Posts: 2
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235 engine problem
hey guys,
i have a 1955 chevy truck with the stock straight six. i did some basic overhauling on it when it was purchased a few months ago and got it to run quite smoothly. it sounds like my grandma's sewing machine. my problem is when it is warm and has been driven around some, it won't start sometimes. i have done the following,: new battery, new wires,plugs, cap , rebuilt rochester carb, new seals on all manifolds, rebuilt starter, rebuilt generator. i am trying to figure out what i have missed. it could be a combo of weak spark and fuel problems, but they both work 80% of the time. no vacuum leaks and all new wiring up to the coil. huh???? any help............ |
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06-02-2008, 11:35 PM
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#2 |
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polishing a turd
Join Date: Dec 2004
Location: houston, tx
Posts: 674
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Re: 235 engine problem
by doesn't start, what do you mean? does it crank, but not fire? what about if you spray some starting fluid down the carb first? what distributor are you using, the stock one? did you change the points and condenser?
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59 chevy apache 31 4x4 - my project: http://67-72chevytrucks.com/vboard/s....php?p=8668512 53 buick special - straight 8 sled - blow through turbo 47 gmc - flatbed hot rod build 99 ford econoline e350 - 4x4 converted family roadtrip/overlanding rig AKA 'Monstervan' AKA 'Daddy-Van' |
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06-03-2008, 02:11 AM
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#3 |
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Registered User
Join Date: Oct 2006
Location: Central Coast, CA.
Posts: 1,202
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Re: 235 engine problem
Not sure if it applies here, but I've heard of some carbed vehicles getting vapor lock when they get warm. Never experienced it 1st hand as all of my vehicles are injected. Just a thought?
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Mom's 1954 (TBI 5.7/700R4/14 bolt 4:10) 5 Chevrolet window 3/4 ton long bed Pick up build thread ->http://www.67-72chevytrucks.com/vboa...d.php?t=228674 My 1954 (TPI 5.7/700R4/10 bolt 3:73) Chevrolet 5 window 1/2 ton short bed Pick up build thread->http://67-72chevytrucks.com/vboard/s...3&goto=newpost 1960 (400/T350/?) Apache 10 short/fleet side-big window 1973 (TPI 5.7/700R4/14 bolt 4:10 w DANA 60 front) Chevrolet Cheyenne 4X4 2013 (Vortec 5.3/6-speed 6L90 automatic) Sierra LT CREW CAB Doing my part to warm the globe 
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06-03-2008, 02:15 AM
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#4 |
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Registered User
Join Date: Jan 2007
Location: tacoma wa.
Posts: 1,037
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Re: 235 engine problem
from what you have described "vapor lock" comes to mind. good ole' wooden clothes pins on the fuel line to act as a heat sink. if its "hard turning over when it's hot "starter solenoid" could be the culprit,get your ampmeter out and do a test on starter and see what the amp draw is. good luck.
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