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408 PUMP GAS STROKER DYNO RESULTS :) #1516797
10/13/13 04:04 PM
10/13/13 04:04 PM
Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
rickstershemi Offline OP
master
rickstershemi  Offline OP
master

Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
Some of you may remember my 360/408 pump gas build (Mike Thompson Racing Engines)

Well.....awhile back a local Mopar Nut made me a deal on the 408 I couldn't refuse....long block minus tunnel ram and carbs.

Great guy with a beautiful Scamp....street car, 727, 3500 stall vert, 3.91 gears, 26" tires, 1 5/8" long tube headers, 2.5" exhaust through turbo mufflers.

Made 391 HP the other day on a chassis dyno on 93 pump swill

I was quite impressed with the numbers for a J-headed 408....only change was a airgap intake and 800 vac holley carb.

So i'm guessing 460 - 480 at the flywheel...?????

Anyway.....he's a happy camper

Rickster

Re: 408 PUMP GAS STROKER DYNO RESULTS :) [Re: rickstershemi] #1516798
10/13/13 05:02 PM
10/13/13 05:02 PM
Joined: Jul 2010
Posts: 791
Bama
Randy.. Offline
super stock
Randy..  Offline
super stock

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Posts: 791
Bama
so what you do with the Valiant?

Re: 408 PUMP GAS STROKER DYNO RESULTS :) [Re: Randy..] #1516799
10/13/13 05:33 PM
10/13/13 05:33 PM
Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
rickstershemi Offline OP
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rickstershemi  Offline OP
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Quote:

so what you do with the Valiant?




Sitting in the garage......

Re: 408 PUMP GAS STROKER DYNO RESULTS :) [Re: rickstershemi] #1516800
10/14/13 04:39 PM
10/14/13 04:39 PM
Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
rickstershemi Offline OP
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rickstershemi  Offline OP
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Lehigh Acres, Florida
So watcha think.....might step it up next time...have a possibility of trading the Valiant for my old challenger bracket car... I sold back in the early 90's and has resurfaced

Rickster

Re: 408 PUMP GAS STROKER DYNO RESULTS :) [Re: rickstershemi] #1516801
10/14/13 04:53 PM
10/14/13 04:53 PM
Joined: Jul 2004
Posts: 19,317
State of confusion
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Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
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Joined: Jul 2004
Posts: 19,317
State of confusion
Those are good #`s and my dart at 3200 bs. w/similar #`s went high 11`s at L.A.C.R. years ago...........daily driver w/stock smog heads w/a Pettis clean up and valve job. Should b fun..........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 408 PUMP GAS STROKER DYNO RESULTS :) [Re: Thumperdart] #1516802
10/15/13 12:37 AM
10/15/13 12:37 AM
Joined: Aug 2006
Posts: 2,141
junction city oregon
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viperblue72 Offline
top fuel
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top fuel
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Joined: Aug 2006
Posts: 2,141
junction city oregon
390 at the wheels in a 3k pound car set up correctly is 10.90 territory.

Re: 408 PUMP GAS STROKER DYNO RESULTS :) [Re: Thumperdart] #1516803
10/15/13 09:37 AM
10/15/13 09:37 AM
Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
rickstershemi Offline OP
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rickstershemi  Offline OP
master

Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
Quote:

Those are good #`s and my dart at 3200 bs. w/similar #`s went high 11`s at L.A.C.R. years ago...........daily driver w/stock smog heads w/a Pettis clean up and valve job. Should b fun..........




Gonna find out what it runs in street trim shortly....he's planning on hitting the local 1/8 mile tnt here shortly.....he's a newbie so could be interesting....we'll see....gotta start somewhere

Rickster

Re: 408 PUMP GAS STROKER DYNO RESULTS :) [Re: rickstershemi] #1516804
10/15/13 09:38 AM
10/15/13 09:38 AM
Joined: Jan 2003
Posts: 25,893
United Socialist States of Ame...
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tboomer Offline
Too Many Posts
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Joined: Jan 2003
Posts: 25,893
United Socialist States of Ame...
Good luck Rick! Let us know the results!


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