Re: Can't get 340 to idle down
[Re: Limabean70]
#1161525
01/20/12 06:37 PM
01/20/12 06:37 PM
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Joined: Oct 2003
Posts: 21,345 Marysville, O-H-I-O
70Cuda383
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Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
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what do you mean by "won't idle" what cam is in it?
can you physically not get the RPM down, even if you turn the idle speed screw all the way in?
is there a vacuum leak somewhere?
I don't know of anything in the long block that will make RPM stay up.
it's got to be in the cam timing, spark timing, or carb setting I would think.
**Photobucket sucks**
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Re: Can't get 340 to idle down
[Re: RobX4406]
#1161532
01/20/12 06:55 PM
01/20/12 06:55 PM
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Joined: Jan 2012
Posts: 12 Forth Worth, TX
Limabean70
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Quote:
Carb/intake combo?
Some carbs have linkage interference issues on certain intake manifold creating a vacuum leak.
its an edlbrock torker and edlbrock carb. like i said this combo worked before so it has to be the longblock. i know you guys know more than me so if I have to take it back to the guy or try to get him to pay for some fixes i need to know what to say to him.
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Re: Can't get 340 to idle down
[Re: DAYCLONA]
#1161534
01/20/12 07:03 PM
01/20/12 07:03 PM
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Joined: Jan 2012
Posts: 12 Forth Worth, TX
Limabean70
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Quote:
I had this problem one time before,...turned out to be a piece of gasket mat'l from the carb baseplate that got stuck on the SECONDARY throttle blade holding it open ever so slightly, just a tinny, tiny, winnie little bit! that the idle would never go down no matter how far you backed the idle screw off or OUT!...take the carb off and check to make sure the shaft blades are sealing front and rear completely.....
thanx, i cant right now cuz im on vacation in portland, or (rain sux) but I did have a friend helping me tune it who's a lot more experienced than I am and he said the carb was closing all the way. hes also the one that said it has to be the longblock cuz the intake and carb were working fine on my other motor.
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Re: Can't get 340 to idle down
[Re: 1_WILD_RT]
#1161536
01/20/12 07:13 PM
01/20/12 07:13 PM
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Joined: Jan 2012
Posts: 12 Forth Worth, TX
Limabean70
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Quote:
Quote:
Quote:
Carb/intake combo?
Some carbs have linkage interference issues on certain intake manifold creating a vacuum leak.
its an edlbrock torker and edlbrock carb. like i said this combo worked before so it has to be the longblock. i know you guys know more than me so if I have to take it back to the guy or try to get him to pay for some fixes i need to know what to say to him.
You bought a motor on C/L & you think your gonna get the seller to pay to fix it.. Never mind that it's not gonna be a problem with the long block.... Find someone with more experience than your friend...
why cant it be the longblock? my intake and carb were working fine before so it has to be the longblock right?
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Re: Can't get 340 to idle down
[Re: stumpy]
#1161540
01/20/12 07:19 PM
01/20/12 07:19 PM
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Joined: Jan 2012
Posts: 12 Forth Worth, TX
Limabean70
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Quote:
Because there is nothing in the long block assembly that can cause that problem. If it won't idle down it's a carb intake or linkage problem.
are you sure? im not disputing you but the score is tied right now 1 to 1 lol my buddy says it is the longblock and you say it isnt
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