can decide

Old 04-03-2009, 09:27 AM
  #1  
txhunter69
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im wanting to rebuild my 454 and bore it to a 468 but a can't decide whether to keep the stock rods or not. av'e heard that stock will still out last aftermarket
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Old 04-03-2009, 09:28 AM
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slickfuel
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You have answered your own question,...
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Old 04-03-2009, 09:33 AM
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txhunter69
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alright so you agree on stock rods then wat about crank and heads (im not going alll out on this motor)
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Old 04-03-2009, 09:39 AM
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slickfuel
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I tought you just wanted to rebuild,..I didnt know you wanted
to hop it up too.....sorry

If you have the money,..buy a rotaing assembly
eagle /eagle/ srp/je.
other wise you could just have the rods checked /resized/ bushed
crank checked , cleaned, polished,.
and a good set of forged pistons.

heads you could just get the exhaust a the next size,
with better valve springs,..
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Old 04-03-2009, 09:44 AM
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txhunter69
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ok thats what a was planing because a rotating assembly for a big block costs a pretty penny and i aint got too much of that but would that 468 bolt up to a turbo 400 trans
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Old 04-03-2009, 10:29 AM
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slickfuel
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Yes,..you can bolt tranny to the chevys sbc or BBc
powerglide, t-350, t-400
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Old 04-03-2009, 11:49 AM
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txhunter69
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thank you alot
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Old 04-03-2009, 12:21 PM
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CamBirdRacing
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If you are going to buy a rotatin asy, get a 4 1/4 stroke and make a 489/496 out of it. And only use a th400 behind it. Will last forever.
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Old 04-03-2009, 12:36 PM
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txhunter69
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well a looked at the rotatio assembly fisrt but the prices are pretty high and i doon't have a very good income because of highschool and college not lettin me get much hours so a think ima have to take the cheap route but thanks for the advice
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Old 04-03-2009, 10:40 PM
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cepx111
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A stock cast BBC crank and OEM rods can withstand some big Hp, the key is getting a good spin job (internal balance) and using some good ARP rod bolts. Polishing the stock rods beams would be on my list of things to do as well.



NOTE: if you do go with an internal balance you'll have to use a neutral flywheel and balancer.


I had a friend of mine years ago that ran 5.80's in the 1/8 running a ron's toilet bowl injected 468 BBC.
Granted the car was light, only 2400lbs W/ driver.
But it still had all stock internals and a good balance job, I was impressed.
Not that I would go that far with stock internals but that's a pretty good testament of how strong those stock BBC bottem ends can be if prepped right.

Now if you can swing it, I'd upgrade the cast crank with a OEM steel piece, that is if you can still find one, if so it would still be cheaper than going with a all forged set-up and not as hard on the ole wallet.

Goodluck, Cp
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