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FINALLY!! Got dyno #\'s on 408! FINALLY!! Got dyno #\'s on 408!

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06-22-2004, 04:34 PM   #1 (permalink)
jasonn
 
Join Date: Aug 2003
Location: By Rochester MN
Posts: 215
FINALLY!! Got dyno #\'s on 408!
I finally got this thing running. 1970 mach 1 that weighs 3320 w/me. 408/vic jr heads, 10.5 compression, custom Ed hyd roller cam, rpm intake, 750 proformed body carb, and 1 5/8 headers. Made 519 fwhp at 5800 and 534 ft/lbs at 4500. Had 500 or better on the torque from 4000 to 5400. Had 500 or better on the hp from 5200 to 6300 when we quit the pulls. Gonna try to get her on the road tonight!! Any guesses on what this things gonna run with a c-4 with 3000 converter and 4.11 gear?? Can't wait!!

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06-23-2004, 12:34 AM   #2 (permalink)
PONY1
 
Join Date: Feb 2002
Posts: 249
FINALLY!! Got dyno #\'s on 408!
whatever you do ......... DO NOT STOMP the gas pedal. ADDICTION WILL SOON FOLLOW [img]/phpBB/images/smiles/icon_smile.gif[/img] welcome to torque city.


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06-23-2004, 02:51 PM   #3 (permalink)
fogged408w
 
Join Date: Jul 2003
Posts: 2,844
FINALLY!! Got dyno #\'s on 408!
Sweet, looks like its going to be one tough street machine! Based on conversion charts with your weight, I would say you will run an even 7 in the 1/8 or a 11 in the 1/4. Would you mind posting your cams duration numbers?
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06-23-2004, 05:22 PM   #4 (permalink)
jasonn
 
Join Date: Aug 2003
Location: By Rochester MN
Posts: 215
FINALLY!! Got dyno #\'s on 408!
Cam #'s are like .586, .586 lift and 244, 246 dur @.050. I could bring the cam card in to get exact.
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06-30-2004, 12:58 PM   #5 (permalink)
1tfischer
 
Join Date: Apr 2004
Posts: 58
FINALLY!! Got dyno #\'s on 408!
I am using FPA 1 5/8 but they go to 1 3/4 after 4" so I hope my 408 doesnt hurt too much from the initial 1 5/8 primaries.
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07-05-2004, 10:03 AM   #6 (permalink)
mainer
 
Join Date: Sep 2003
Posts: 40
FINALLY!! Got dyno #\'s on 408!
Not sure I buy into the bigger is always better header mantra with windsor strokers. Keith Kraft got 620hp out the same frp step headers you have on one of his 408's. I just put them on my 420 but don't have #'s yet.
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08-10-2004, 10:46 AM   #7 (permalink)
tonys10sec306
 
Join Date: Nov 2002
Location: maryland
Posts: 3,497
FINALLY!! Got dyno #\'s on 408!
Yes bigger headers would help alot!!
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08-15-2004, 01:27 AM   #8 (permalink)
GregS
 
Join Date: Dec 2002
Posts: 264
FINALLY!! Got dyno #\'s on 408!
Jason,

Please check your private messages. Thanks.
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