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Cam HP and Torque
I have a 72 Satellite Sebring 318 auto
Daily Driver, never to see a race track basically stock except for Dual Exhaust with low restriction mufflers 70 cast 340 intake with a carter 625 Mopar electronic ignition with orange ECU 8 3/4 rear with 3.23 gears Dual snorkel air cleaner Next I would like to intall a cam, rhoads vairable rate lifters and chain P4452759 .430"/.450" lift, 260/268 duration How much honest HP and Torque increase with I get with the cam Thanks I should rephrase that question How much APPROXIMATE HP and Torque increase can can I expect Thanks in advance Fred.. |
#2
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Edumakated guess
The intake w/4bbl and better exhaust is worth about 15-20 hp. Adding the cam is about another10-15hp when working with the better breathing 4bbl and exhaust. Or 30-35 HP over from where you started.
This 318 could pop out 260-265 hp. Only a dyno could nail it down. Make sure you have tuned well before heading to the dyno. Of course theres some info missing. Non the less. |
#3
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Cam HP
Thanks for the reply Rumblefish360
With adding a windagetray(another post) A 265-275 HP 318 would be nice ( cheap HP ) even in a 3800 lb Satellite I know a good mopar mechanic who can tweek the last HP out of an engine. He can tune my car before Dyno Time. Fred.. |
#4
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Just so you know...
The extra power from the tray is seen up top in the RPM range. Where the windage is most servere(sp)
That HP figure was a guess-ta-mit of what could be had when startingout with the 230hp'd 318. A bump in compression would help ensure this figure since the advertised comp ratio wasn't allways what they said it would be. For that cam/engine combo, a 9-1 ratio would be very nice. Good luck. |
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