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post #1 of (permalink) Old 06-10-2003, 05:32 PM
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seriuos popping

After a new set of heads(i only had half an exhaust valve in the stock heads) and the 600 cfm holley msd ignition it finally runs. but now when i get into it it has a very promanant pop out the carb i have re timed it several times tried numerus carb adjustments even did a compersion check and i have 158-162 psi in each cylinder. i know you guys can help also anbody know where i can get an affordable fuel injection swap. [img]images/graemlins/givemebeer.gif[/img]
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post #2 of (permalink) Old 06-10-2003, 06:30 PM
 
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Re: seriuos popping

Sounds like an intake valve may be sticking open,allowing it to back fire through the intake,carb.Is it popping occasionly or at a steady rate?A leak down test may be more accurate.

Bill
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post #3 of (permalink) Old 06-10-2003, 07:29 PM
 
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Re: seriuos popping

Check distributor, coil, wires and so on before getting carried away. It's probably somethign very simple. Give it a day or two to rest and go back, recheck everythign. You may have simply crossed some wires.

I can't tell you how many times that turns out to be the case, even with people that are WAY BEYOND EXPERIENCED.
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post #4 of (permalink) Old 06-10-2003, 07:31 PM
 
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Re: seriuos popping

Wait a minute....it only does it when you really step on it?

How much advance are you running?
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post #5 of (permalink) Old 06-10-2003, 07:36 PM
 
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Re: seriuos popping

check for vacuum leaks. Recheck to make sure you got the wires in the right order.
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post #6 of (permalink) Old 06-11-2003, 03:02 AM
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Re: seriuos popping

I went out and looked at and came to the conclusion thta i must have some thing in lines of a vacumm problem. does anybody know where i can get a better diagram(easyier to understand than the chilton's)that would show the routes of the lines on the manifold [img]images/graemlins/thud.gif[/img]
post #7 of (permalink) Old 06-11-2003, 03:05 AM
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Re: seriuos popping

It only pops when i get into it [img]images/graemlins/AR15firing.gif[/img]carbs want Fuel Injection
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