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429 for a '72 Mach 1
My dad is finally going to be dropping his 429 into his Mach 1. We will be removing the existing 351 Cleveland. Not sure what exactly we are going to do with the 351 but that is a decision for later. Right now he is wanting to throw a new cam in the 429 before we drop it into the Mach.
The engine specs are as follows: 429 ci Bore: 4.36 Stroke: 3.59 CR: 10.5:1 Connecting Rod Length: 6.6050 Intake: Edelbrock Performer Dual Plane Heads: stock 1970 Dove-C Head Runner Volume: 71-75cc Ported Heads (going to be) Intake Valve: 2.075-2.090 Exhaust Valve: 1.646-1.661 Rocker Arm Type: Stock Rocker Arm Ration: 1.75:1 Headers: Hooker Super Comp long tubes RPM Range (Low): 650 RPM Range (High): 4600 Manual Trans in case that makes a difference with a rear end of 3.50 Tire height: about 30" He is leaning towards either a hydraulic flat tappet or a solid lifter roller from Comp. Right now in talking with Comp they are recommending this kit. Let me know if you have any recommendations. My dad still needs a Carb and distributor/coil so if you have any recommendations on those that would be great. |
That cam is a great choice especially with a 3.50 rear gear.
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My dad was thinking a 750CFM Carb would be good agree?
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Yes, anything bigger will be too big.
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He is thinking Edelbrock, Holly or Demon? Any recommendations?
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Also for ignition I recommend Mallory. If it's more then he wants to spend then go with MSD. I'm running MSD stuff in both the Chevelle and the Cobra but only because the Mallory distributor I was running in the Chevelle before costs over $400 now. When the old one went out I couldn't afford to replace. It had been in the car for about 15 years.
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Holley or Demon. I don't like the AFB style carbs. I've always run a Holley so I'm familiar with them. They're easy to work on and tune.
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We are looking in the summit catalog and their Summit brand carbs are way cheap? I read some online that Holly at least used to make them. What do you think?
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