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305 tbi to 383 stroker

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Old Apr 11, 2009 | 06:23 PM
  #1  
Sean2857's Avatar
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From: Scranton, Pa
Engine: 383 stoker in progress
Transmission: Soon to be a TH400
305 tbi to 383 stroker

okay after seeing my 5.0 formula sit for almost 2 years due to a heavily smoking engine, i've decided to start buying some parts for a 383 conversion. Since i work at an automotive parts store, i'm able to put whatever i want on "lay-a-way". Ive been looking at 383 rotating assembly kits from eagle specialty products. the part # is b13405e030. the Specs for this can be found here: http://store.summitracing.com/partde...0&autoview=sku

Im just curious if this is a good kit. it says that the kit is externally balanced. it comes with the harmonic balancer and flexplate. would an internally balanced kit be better??
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Old Apr 11, 2009 | 09:42 PM
  #2  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
What year is the block you'll be using? That kit has a 2-piece rear main seal. Internal balance seems to be more expensive in the 2-piece RMS kits, no sure why that is.
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Old Apr 12, 2009 | 10:07 AM
  #3  
Sean2857's Avatar
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From: Scranton, Pa
Engine: 383 stoker in progress
Transmission: Soon to be a TH400
Re: 305 tbi to 383 stroker

i'm going to be using a pre 1988 block with the 2 piece seal. i dont have one ready yet but finding one shouldnt be that hard.
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Old Apr 12, 2009 | 10:10 PM
  #4  
Nub383's Avatar
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From: Madisonville, Ky
Car: 94 Silverado
Engine: 383 Vortec TBI
Transmission: 4L60
Axle/Gears: 2.73
Re: 305 tbi to 383 stroker

Why are you going with a 2 peice block? just wondering.
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Old Apr 13, 2009 | 07:04 PM
  #5  
Sean2857's Avatar
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From: Scranton, Pa
Engine: 383 stoker in progress
Transmission: Soon to be a TH400
Re: 305 tbi to 383 stroker

no reason in particular. everything in the kit that i saw listed appealed to me and the 2 piece rear main wasn't really a big deal. its not like i'm going to be putting in an old seal into the engine while im putting it together. so i dont think i'll have any problems anytime soon with it leaking.
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