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Re: Headers vs. 70 Manifolds
[Re: MLR426]
#307416
05/04/09 11:44 AM
05/04/09 11:44 AM
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Joined: Feb 2003
Posts: 12,675 Columbia, CT
moper
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 12,675
Columbia, CT
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More importantly... what camshaft?
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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Re: Headers vs. 70 Manifolds
[Re: LL340Rag]
#307417
05/04/09 12:13 PM
05/04/09 12:13 PM
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Joined: Jan 2003
Posts: 5,443 Indiana
YO7_A66
master
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master
Joined: Jan 2003
Posts: 5,443
Indiana
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Over the Winter, I swapped out my 70 HP manifolds for the TTi headers (just headers, no other exhaust changes) in my combo listed below. I am still doing some minor tuning to the carb (IFR changes and jetting) so I have not been able to drive the car as hard as I did before this swap, but so far I am very happy with the results. The off-idle response (torque) is the best part of the swap so far. The car is very responsive in the low range now and over the weekend I found another bonus. With the HP manifolds, the most my converter would flash too at 60mph in third gear cruise was 3500rpms. Over the weekend I noticed that it is now flashing to 3700rpms at 60mph. The swap definately made a "seat of the pants" difference on the bottom end and the flash rpms show some output change too, but I do not have any track information to pass forward to back this up.
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Headers vs. 70 Manifolds
[Re: YO7_A66]
#307418
05/04/09 12:33 PM
05/04/09 12:33 PM
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Joined: Jan 2003
Posts: 16,123 Grand Haven, MI
patrick
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
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depending on cam, 10-30HP and 10-30 lb-ft torque....
1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!*** 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
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Re: Headers vs. 70 Manifolds
[Re: moper]
#307419
05/04/09 05:36 PM
05/04/09 05:36 PM
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Joined: Jan 2003
Posts: 4,507 Connecticut
LL340Rag
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,507
Connecticut
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Quote:
More importantly... what camshaft?
Comp 268XE
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