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340 J heads #642445 03/16/10 09:37 PM 03/16/10 09:37 PM
Joined: Jan 2008 Posts: 18 Nebraska S Schluck02 OP member
Schluck02 OP member S Joined: Jan 2008 Posts: 18 Nebraska	i was wondering what the volume of the combustion chambers were on 340 J heads. thanks

Re: 340 J heads [Re: Schluck02] #642446 03/16/10 09:42 PM 03/16/10 09:42 PM
Joined: Jan 2003 Posts: 25,200 Upper Midwest M MoparforLife Too Many Posts
MoparforLife Too Many Posts M Joined: Jan 2003 Posts: 25,200 Upper Midwest	They will average uncut at 70-72 CC's. whether they be 587, 974, 596, or 915

Re: 340 J heads [Re: MoparforLife] #642447 03/16/10 09:43 PM 03/16/10 09:43 PM
Joined: Jan 2008 Posts: 18 Nebraska S Schluck02 OP member
Schluck02 OP member S Joined: Jan 2008 Posts: 18 Nebraska	how much would you have to take off to get close to 65

Re: 340 J heads [Re: Schluck02] #642448 03/16/10 09:44 PM 03/16/10 09:44 PM
Joined: Jan 2004 Posts: 5,476 3 340dart4spd Parts Problem
340dart4spd Parts Problem 3 Joined: Jan 2004 Posts: 5,476	I would CC them first...

Re: 340 J heads [Re: 340dart4spd ] #642449 03/16/10 09:48 PM 03/16/10 09:48 PM
Joined: Jan 2008 Posts: 18 Nebraska S Schluck02 OP member
Schluck02 OP member S Joined: Jan 2008 Posts: 18 Nebraska	is there an easy way to do that at home

Re: 340 J heads [Re: 340dart4spd ] #642450 03/16/10 09:50 PM 03/16/10 09:50 PM
Joined: Jan 2003 Posts: 25,200 Upper Midwest M MoparforLife Too Many Posts
MoparforLife Too Many Posts M Joined: Jan 2003 Posts: 25,200 Upper Midwest	Only way to know for sure what you have is to measure them and it is a rule of thumb that it a .0048 cut reduces the chamber by 1 CC. So approx 2 cc per .010 cut. The law of diminishing returns applies.

Re: 340 J heads [Re: Schluck02] #642451 03/16/10 09:51 PM 03/16/10 09:51 PM
Joined: Jan 2004 Posts: 5,476 3 340dart4spd Parts Problem
340dart4spd Parts Problem 3 Joined: Jan 2004 Posts: 5,476	http://www.greatplainsas.com/icckit.html

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