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Re: 455 ci. Small Block [Re: fishy340] #962467
03/31/11 05:34 PM
03/31/11 05:34 PM
Joined: Oct 2004
Posts: 513
HOUSTON,TEXAS
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FIREGUY12 Offline OP
mopar
FIREGUY12  Offline OP
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Joined: Oct 2004
Posts: 513
HOUSTON,TEXAS
Flywheel Horsepower.

Re: 455 ci. Small Block [Re: FIREGUY12] #962468
04/01/11 08:31 AM
04/01/11 08:31 AM
Joined: Aug 2004
Posts: 2,128
sweden
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sshemi Offline
top fuel
sshemi  Offline
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Posts: 2,128
sweden
Quote:

Sorry I cant get the dyno sheet to post but, it was pulled to 6500 rpm. made peak 634 H.P. at 5700 Rpm, 650 ft. lbs. torque at 4600 rpm.




peak at 5700 sounds a little low to me.
Maybe the heads are not ported?

Re: 455 ci. Small Block [Re: sshemi] #962469
04/01/11 10:46 AM
04/01/11 10:46 AM
Joined: Oct 2004
Posts: 513
HOUSTON,TEXAS
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FIREGUY12 Offline OP
mopar
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HOUSTON,TEXAS
I was thinking the same thing the heads are not ported or very minimal work done.

Re: 455 ci. Small Block [Re: sshemi] #962470
04/01/11 01:07 PM
04/01/11 01:07 PM
Joined: Feb 2007
Posts: 2,578
sweden
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1Fast340 Offline
master
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sweden
Quote:

Quote:

Sorry I cant get the dyno sheet to post but, it was pulled to 6500 rpm. made peak 634 H.P. at 5700 Rpm, 650 ft. lbs. torque at 4600 rpm.




peak at 5700 sounds a little low to me.
Maybe the heads are not ported?




or just not enough camduration. hard to tell anything without knowing the whole deal..

Re: 455 ci. Small Block [Re: 1Fast340] #962471
04/01/11 01:19 PM
04/01/11 01:19 PM
Joined: Aug 2004
Posts: 2,128
sweden
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sshemi Offline
top fuel
sshemi  Offline
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Joined: Aug 2004
Posts: 2,128
sweden
at 12-13-1 comp ratio i really hope that cam dur is more than to peak at 5700rpm, but something sure is wrong.

Re: 455 ci. Small Block [Re: sshemi] #962472
04/02/11 02:24 AM
04/02/11 02:24 AM
Joined: Jan 2008
Posts: 295
Circleville, Ohio
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Evil67 Offline
enthusiast
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Joined: Jan 2008
Posts: 295
Circleville, Ohio
I have a 413 sb and it is suppose to be 635HP.....it runs better than my old INDY 471 low deck motor....Keep what you got and try it!!!

6563571-engineweb.jpg (166 downloads)

Former Username - 71Cuda
Current Ride: 1967 Dart - 340
Re: 455 ci. Small Block [Re: 1Fast340] #962473
04/02/11 10:03 PM
04/02/11 10:03 PM
Joined: Aug 2003
Posts: 1,313
Charlotte, NC
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LSP Offline
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Joined: Aug 2003
Posts: 1,313
Charlotte, NC
Quote:

hard to tell anything without knowing the whole deal..




+2, a super stock 360 makes more than that with a head that blows 280, so something is off.

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