Re: 383 block question!
[Re: Wicked49670dart]
#1890038
08/12/15 02:15 AM
08/12/15 02:15 AM
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Joined: Jan 2005
Posts: 12,424
Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,424
Kalispell Mt.
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The only one that is significantly better is the really late 71 block that actually used the 400 thick web block without being bored to 400 bore size. Other than that and the early RB 383 (JUNK) they are all the same.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 383 block question!
[Re: Wicked49670dart]
#1891599
08/14/15 04:51 AM
08/14/15 04:51 AM
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Joined: Aug 2003
Posts: 43,332
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,332
Bend,OR USA
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Absolutely, you may be able to buy a shelf piston from KB, Probe, Ross or SRP also 
Last edited by Cab_Burge; 08/14/15 04:52 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 383 block question!
[Re: Cab_Burge]
#1891666
08/14/15 10:08 AM
08/14/15 10:08 AM
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Joined: Jan 2003
Posts: 13,408
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,408
Marion, South Carolina [><]
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I would look for a 400 block and use it  Forget that thin main web 383   The much bigger bore of the 400 block will definitely make more power.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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