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Old 07-29-2003, 04:20 AM
6D9 6D9 is offline
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Default 73 challenger 318 hop up

A buddy of mine just picked up a 73 challenger with a 318/727 combo. It has the four barrel intake/carb. He wants to get the most he can from this set up but keep it reliable. He also does not want to tear the engine down . I told him to go with this set up. Tell me if I am on track.

Performer intake
600 Holley/edelbrok
268/454 Comp cam
Hooker headers
2.25 dual exhaust with x pipe
2 chamber delta flows
2400-2600 stall
3.23 to 3.55 gears
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Old 07-29-2003, 05:44 AM
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Ausydad Ausydad is offline
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Age: 57
Posts: 1,024

Sounds fine and should be a good reliable setup. May even get a set of junkyard 360 heads and play with them for mild flow. Do a weekend swap some time....
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Old 07-30-2003, 09:05 PM
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rumblefish360 rumblefish360 is offline
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Join Date: May 2000
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Age: 58
Posts: 11,120

6D9; 2 more cents here.

Use a split duration cam. This will bennifit the stock heads on top. Use the extreme series cam over the comp series for the street. Theres more lift too.
Talk to Demonsizzler for a T-Q built for the combo. The T-Q will do better than the Holley or Edel. in terms of performance and for sure, mileage.
3.55's are good. 26 inch tire.
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