Re: 1970 340 Question
[Re: autoxcuda]
#84465
07/05/08 05:05 PM
07/05/08 05:05 PM
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Joined: Aug 2006
Posts: 2,512
God's Country Maryland
GODSCOUNTRY340
master
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master
Joined: Aug 2006
Posts: 2,512
God's Country Maryland
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Just checked my Son's, trying to isolate a miss, they were all between 140 & 150 psi. ('69 340 with stock pistons, X heads).
I love the smell of Deer guts in the morning, it smells like... VICTORY!
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Re: 1970 340 Question
[Re: Bubba C]
#84467
07/05/08 05:33 PM
07/05/08 05:33 PM
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Joined: Jan 2003
Posts: 27,468
So Cal
autoxcuda
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,468
So Cal
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Quote:
You guys will never believe this but my son and I just checked this one and it has 175 lbs per cylinder. It has 2.02 J heads.
Bubba
Makes sense, they havea tighter (than aftermarket) overlap cam and high compression. Especially if it still has original type steel head gaskets.
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Re: 1970 340 Question
[Re: Bubba C]
#84469
07/05/08 05:50 PM
07/05/08 05:50 PM
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Joined: Jan 2003
Posts: 27,468
So Cal
autoxcuda
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,468
So Cal
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Quote:
Heres my next question: It has a 4639sa carter carb...Is that factory and whats the cfm?
Bubba
68-70 340 carter AVS carbs are accepted by most people as around 625 cfm.
google search: carter carb part numbers
or I think there is a list of part numbers on the moparts archieve section.
Did you just buy this car or something??
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Re: 1970 340 Question
[Re: Bubba C]
#84471
07/05/08 06:23 PM
07/05/08 06:23 PM
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Joined: Jan 2003
Posts: 27,468
So Cal
autoxcuda
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,468
So Cal
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Quote:
Yes I just got my hands on it a couple days ago. Ive built a few but I never knew what the compression on stock 340's was suppose to be or any thing about the stock carbs.
Thanks for all the help guys! Maybe some times I can return the favor!
Bubba
Cut us a deal when it goes up for sale. 
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Re: 1970 340 Question
[Re: Bubba C]
#84475
07/05/08 07:36 PM
07/05/08 07:36 PM
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Joined: Jan 2003
Posts: 27,468
So Cal
autoxcuda
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,468
So Cal
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Quote:
What is your definition of a deal?(on the 70 340) I have a 72 block and a 73 block both 30 over I'll take $250.00 each for them. I still havent been able to identify the carb. I know its a Carter but I dont know the cfm.#4639sa.
Sounded like this motor was attached to a car. What car is it in? Pics? Sounds like an interesting find.
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Re: 1970 340 Question
[Re: autoxcuda]
#84476
07/05/08 08:13 PM
07/05/08 08:13 PM
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Joined: Jan 2004
Posts: 263
Richland , Webster County,Ga
Bubba C
OP
enthusiast
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OP
enthusiast
Joined: Jan 2004
Posts: 263
Richland , Webster County,Ga
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Heres the story: A guy called me because he knew I'm a MoPar man. He says I got an old Plymouth if you wanna look at it. I said sure. When I got there it was a rusted out 66 Fury 2 door. I raised the hood and saw a 4 barrell. I started checking closer...and what do ya know! A 70 340 in a fury! I bought the whole car and kept the engine and tranny...oh and the 742 case 3.23 Sure Grip! I think the engine came out of an E body.
Last edited by Bubba C; 07/05/08 08:15 PM.
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GOOD ONE! I wish I could...