340 swap
#799392
09/12/10 05:32 PM
09/12/10 05:32 PM
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Joined: Jul 2009
Posts: 99
NY
MoparGary7272
OP
member
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OP
member
Joined: Jul 2009
Posts: 99
NY
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alright, i'm DONE WITH SLANT SIXES!!!! yes... i KILLED 2 almost 3!!!! C-12 Racing fuel really isnt good for em hahahahahaha. unfortunately, the other one spun a bearing and i had to find out AFTER the motor swap, that the previous owner used C-12 before taking it out....just my luck!! But back on ther main topic here, the car is getting a 340 in it and i want to make sure i have EVERYTHING before slapping it in.. i have k-frame, (keeping 6cyl torsion bars in for better hook), 904 trans, for a quick first gear, 8 3/4 with 355s, new wiring harness... is the linkage different from 6-8cy?? Can I bolt the new motor on the 8cyl Kframe and bolt it into the car from underneath?!??!... whats the easiest way to swap without ruining the new paint????  , besides patience lol!
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Re: 340 swap
[Re: MoparGary7272]
#799393
09/12/10 05:49 PM
09/12/10 05:49 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
alright, i'm DONE WITH SLANT SIXES!!!! yes... i KILLED 2 almost 3!!!! C-12 Racing fuel really isnt good for em hahahahahaha. unfortunately, the other one spun a bearing and i had to find out AFTER the motor swap, that the previous owner used C-12 before taking it out....just my luck!!
But back on ther main topic here, the car is getting a 340 in it and i want to make sure i have EVERYTHING before slapping it in.. i have k-frame, (keeping 6cyl torsion bars in for better hook), 904 trans, for a quick first gear, 8 3/4 with 355s, new wiring harness... is the linkage different from 6-8cy?? Can I bolt the new motor on the 8cyl Kframe and bolt it into the car from underneath?!??!... whats the easiest way to swap without ruining the new paint???? , besides patience lol!
From under neath is best in your case.
BTW C-12 race gas can't hurt a motor, can't.
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Re: 340 swap
[Re: Challenger 1]
#799394
09/12/10 05:51 PM
09/12/10 05:51 PM
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Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY
Truck Nut
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Truck Nut
Joined: Aug 2003
Posts: 12,291
Kent, Wa
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boy,,, if you killed 2 /6s, Id never let you drive my 340....
I am truckless..
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Re: 340 swap
[Re: 340SHORTY]
#799395
09/12/10 05:54 PM
09/12/10 05:54 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
boy,,, if you killed 2 /6s, Id never let you drive my 340....
Yea I was thinking that too, /6 are bullet pruff...lol
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Re: 340 swap
[Re: MoparGary7272]
#799400
09/12/10 06:25 PM
09/12/10 06:25 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
i have a 72 duster with a points distributer... ppoints are right on and timing was smooth but didnt get the chance to use a timing light to check for sure
Sounds to me like someone had the timing way advanced, and someone was trying race gas to keep it from pinging which can't fix too much timing. So now there a hole in the piston from too much timing. Bet you wished you would have used a timing light. 
And detonation pounds rod bearings to death.
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Re: 340 swap
[Re: Challenger 1]
#799402
09/12/10 06:41 PM
09/12/10 06:41 PM
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Joined: Jul 2009
Posts: 99
NY
MoparGary7272
OP
member
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OP
member
Joined: Jul 2009
Posts: 99
NY
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Quote:
Bet you wished you would have used a timing light.
And detonation pounds rod bearings to death.
yea... i really am kickin myself in the ass right now for not using the light.... This is one of those... Face meet palm moments!! it sounded smooth, ran strong... maybe too strong... the 340 wont be having that step neglected .. thats for sure... i care about that motor too much to just throw it in lol... eh crap... well the /6s were free and im young and learning... the hard way!!
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