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Old 07-29-2008, 01:49 AM
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left cylinder bank not firing????

Hello,

I'm looking at purchasing a '67 Belvedere with a 318. The car has been parked (running when parked ofcourse) now the engine starts but run poorly and the passenger side cylinder bank does not get warm. spark is good. 2bbl carb and dual exhaust, any ideas on what could cause this condition? I really can't trouble shoot too much because it's not my car yet and the guy dosen't have time to mess with it. I can get it right if i act soon, any ideas?

thanks
Brady

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Old 07-29-2008, 07:37 AM
F&J F&J is offline
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My experience with old mopar v8's;

Sitting a long time and then trying to run on bad gas, maybe it's just fouled plugs.

Mopars really need a working heat riser, as well as a clear manifold heat runner under the carb in the intake manifold. If they don't get the preheating, they tend to load up with gas.

Hard to say if you can't check it out for basic stuff like tune-up, compression, etc.

Might be a tired motor, I usually look at the general appearance; looking for long time oil leaks all over and whatnot. Look for heavy sludge inside the oil filler area, etc.
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Old 07-29-2008, 08:26 AM
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The heated exhaust crossover in the manifold is probably plugged up. I once needed a two barrel intake for my 72 Dart with a 318, so I bought one from the salvage yard. When I got the intake home I noticed the crossover plugged solid, but a few good whacks with a punch and hammer knocked it out. It not just Mopars that do this, I have seen this happen to Ford intakes too.
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Old 07-29-2008, 08:59 AM
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Quote:
Originally Posted by onebadmerc
The heated exhaust crossover in the manifold is probably plugged up. I once needed a two barrel intake for my 72 Dart with a 318, so I bought one from the salvage yard. When I got the intake home I noticed the crossover plugged solid, but a few good whacks with a punch and hammer knocked it out. It not just Mopars that do this, I have seen this happen to Ford intakes too.

You are right about the carbon. I have no idea why, but it seems like the sb mopars seem to run much poorly by that plugging, more so than other types of v8s?
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Old 07-29-2008, 10:28 AM
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3 for 3 sounds pretty convincing, the car and is very clean, 109k miles and the engine has never been into sounds like an easy fix, i think i'm gonna jump on it...

thanks for your help
Brady
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