Please help 305 tbi to carbed 350 swap can't get it to start !!!!!
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Joined: Aug 2013
Posts: 10
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From: Alabama
Car: 1988 Camaro sport coupe T-Top
Engine: 350 sbc
Transmission: 700r4
Axle/Gears: 4.11
Please help 305 tbi to carbed 350 swap can't get it to start !!!!!
So here's the deal I just finished replacing my head gasket and intake seals as well as valve stems and umbrella seals and lapped my valves got every thing bolted down. I have a new edelbrock 600cfm carb,HEI dizzy,and Mallory fuel pressure regulator with return. I can't seem to get my engine running it cranks and I'm getting fuel and spark but will not fire up. Gas is blowing out of carb and it will backfire out of exhaust dizzy is set TDC I still can't figure out was going on a friend said I may have a bent valve and loosing compression threw carb please can someone shed light on this problem for me. Also my spark plugs are soaked with fuel.
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Sounds like the engine was in the #6 firing position when you put the rotor at the #1 firing position.
In other words, the distributor is installed 180 degrees out.
"TDC" just means the piston is at top dead center. It does not mean the cam is in the compression/firing cycle.
Remember, the crank goes through two revolutions for every revolution of the cam/distributor.
In other words, the distributor is installed 180 degrees out.
"TDC" just means the piston is at top dead center. It does not mean the cam is in the compression/firing cycle.
Remember, the crank goes through two revolutions for every revolution of the cam/distributor.
Re: Please help 305 tbi to carbed 350 swap can't get it to start !!!!!
OK.. I switched the fuel lines back to where they are supposed to be.. I dialed in into 47 PSI at the fuel rail. When I crank the car, it makes loud POPS like a backfire from the exhaust but dosent want to turn over and start.. Any Ideas?!?!?!?!
Joined: Nov 2008
Posts: 2,093
Likes: 175
From: Milwaukee
Car: 92 Firebird, 77 Trans Am SE, 86 Z28
Engine: 5.7 HSR, T/A 6.6, empty
Transmission: T-5, TH350, T-5
Axle/Gears: 3.08 posi, 3.23 posi, 3.23
Re: Please help 305 tbi to carbed 350 swap can't get it to start !!!!!
For the record it is turning over, that's another way of saying it's cranking. It's not firing. Sounds like your distributor isn't lined up correctly.
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KnightmareCS
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Sep 3, 2012 07:38 AM









