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Old 10-24-2011, 05:53 PM
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assembling a 402bbc for a 82 corvette

Hay! I need to know if my combination of parts will work ok in my 402bbc. I have the block #3999290 which is boored out .060 rods & mains are .020 I have Keith Black 160 060 Hypereutectic pistons. Molly SLPE 243K60 ring set. The heads are 3993820,valves & springs seam ok. Had the heads cleaned @ a shop. ERSON cam grind#E120221/w H.lifters and new pushrods. RPM performer 7161 intake. I do not have a carb as yet.
Can anyone Who knows about this stuff give me some input PLEASE?
I can tear a car down to the frame, and put it back, but i am not knowledgeable about engine building combos.

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Old 10-24-2011, 06:01 PM
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If i was you i would also post this over in the engine section we do have some awesome engine guy's around the site.


Cole
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Old 10-25-2011, 06:20 PM
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I thought someone would have posted by now.



Cole
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Old 10-30-2011, 11:46 PM
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ok so a little more information. What are the specs of the cam. lenght of rods. and what springs and things do you have in the heads. thx
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Old 10-31-2011, 04:49 AM
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You going to run a stock hood? I doubt the RPM and big block will fit under one
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Old 11-01-2011, 03:11 PM
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55 Alive 402 dilemma

Hi fellow rodders; Ok so here i am again. The cam that i have is an erson #E120221 RPM Rating, DUR, DUR@.050", Gross Lift, Lobe cent, Adv.,V.L.
2,250 310in 2260in .530in 114 4 .000
5,400 310ex 2260ex .530ex .000

the original bore was 4.125 now .060 over. the stroke 3.760 i do not know right off hand the length of the rods i just know they are the original ones for the motor. the springs are the original ones also, they even have the valve rotator eliminators under the springs.
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