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Re: My new heads are killing me need help
[Re: 70dusterjohn]
#2541818
08/27/18 12:15 AM
08/27/18 12:15 AM
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Joined: Jan 2003
Posts: 11,718
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,718
Portage,michigan
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Check battery voltage/ charging system
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: My new heads are killing me need help
[Re: Cab_Burge]
#2542195
08/27/18 10:17 PM
08/27/18 10:17 PM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
I Live Here
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I Live Here
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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It went 10.55 st 136 ? I just don’t get it . It comes out kinda flat and then really starts to come on. I went from a best 60ft of 1.28 to today a 1.75 ... I don’t know what to do at this point .. It looks like converter time to me  Have it checked now before pulling all your hair out   time to go with a converter more compatable with your new combo, it may be only port work but it changed the characteristics of the motor and and the power range is in a higher rpm range.
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: My new heads are killing me need help
[Re: 70dusterjohn]
#2542219
08/27/18 10:58 PM
08/27/18 10:58 PM
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Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,506
So. Burlington, Vt.
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283@.050, not a ton of compression, big heads, big intake....... I’d be looking for at least 5600 flash stall.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: My new heads are killing me need help
[Re: fast68plymouth]
#2542260
08/28/18 12:16 AM
08/28/18 12:16 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Put that thing on a dyno.. hopefully you can find out what the engine problem is and get a torque number for a converter.. right now it sounds like your lost.. spend a bit now and save yourself a pile later 
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Re: My new heads are killing me need help
[Re: 70dusterjohn]
#2542372
08/28/18 10:53 AM
08/28/18 10:53 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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I have a J conv in both of my cars.. the race car is basically a stock J that stalls at 5600 rpm in my SB and the other is a J that I had the stall dropped down to 4700 and the efficiency is tightened up so it doesnt slip like stock.. that on is in my Rampage... both are 8"
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