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05-04-2010, 08:37 AM
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#1 |
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Registered User
Join Date: Feb 2001
Location: Wetumpka, Al, U.S.
Posts: 8,891
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Re: 540ci BBC build
If you are dead set on a 540 plus engine I would buy a dart block. I am building a 548 for my truck with a bowtie block. I got this block pretty cheap but I spent a pretty penny on machine work. The 502 blocks are gen 5 and gen 6 and some stuff is not the same. The dart, bowtie, merlin and brodix blocks are based off gen 4 parts.
I also don't agree with only having to do minimal clearancing for a 4.375 stroke crank. I know my aluminum rods causes me to have to do a ton of clearancing but I only have a 4.25 stroke and mine was clearanced on a mill first then touched up by hand. Some of the later 454 blocks have a little more clearance cast into the block than the old stuff. With your power goals you should be able to get those numbers with a 4.25 stroke and a small bore. I would look at a 489 or 496 rotating assembly for your power goals. One other thing if you are gonna drag race this truck sell the merlin heads and intake to someone with a boat and buy aluminum heads the merlins are crazy heavy.
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Kevin Special Thanks to All who have helped on the TRUCK! My Pass Time Show http://s129.photobucket.com/albums/p...Chapter1-0.mp4 So Far my best Times are: Motor only: 6.44 1/8 @ 104.13 10.39 1/4 @ 125.83 Nitrous Times: 5.785 1/8 @ 118.65 with a 1.336 60ft 9.168 1/4 @ 142.58 with a 250 shot dead out of the hole! |
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05-04-2010, 08:51 AM
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#2 |
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ShortBus KingPin
Join Date: Feb 2010
Location: houston texas
Posts: 146
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Re: 540ci BBC build
I have a GEN V block in mine and it has been clearanced a moderate amount for the Eagle rotating assembly.
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67 shortstep prosteet. 505 BBC, FULL BILLET TH350, Owner built EVERYTHING.... (My RIDE) 2008 GMC Yukon DENALI, 425 AWHP, 5700LBS, 12.40's at 109mph. (Her RIDE) 2006 Kawasaki Brute Force, 916cc, 80 shot, 6.20's at 111 mph. (Her RIDE) |
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