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400 cam question
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fireprix
New User
| Posts: 20
| Joined: 01/08
Posted: 10/25/09
07:13 PM
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Hey guys I was thinking about a cam swap in the 400 in my 75 G.P. to wake it up until I figure out how I want to build my 455. I bought a Comp Cam that I was told not to use in the 455 due to detionation concerns. It is an XE268H .477"/.480" lift 224/230 duration at .050 with 110 lobe separation. The 400 is stock with 5C heads and 7.6:1 compression with under 45,000 miles. The rear is 3.23 posi. I have an Edelbrock Performer intake I could put on it. The car has 1 5/8" 4 tube headers and 2 1/4" dual exhaust. Good idea or no?. If good will the stock torque converter be o.k.? What mods would need done to the Q-Jet or should I buy a different carb? Also I saw a blurb in H.P.P. about Edelbrock that they are suppost to come out with D Port heads. Anyone heard about this? Thanks
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Posted: 10/26/09
10:56 AM
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That cam is a little big for the stock heads and a 7.6:1CR.
professional hi-performance engine builder
Horsepower sells engines and torque wins races
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fireprix
New User
| Posts: 20
| Joined: 01/08
Posted: 10/26/09
07:00 PM
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I kinda thought so but I wanted someone else's opinion. Thanks Pontiacman8!!!
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Posted: 10/27/09
04:16 AM
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Your welcome!
professional hi-performance engine builder
Horsepower sells engines and torque wins races
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