383 rotating assembly

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Old Aug 13, 2006 | 09:47 PM
  #1  
FstBrd6point3's Avatar
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From: Middleburry, CT, USA
383 rotating assembly

10.5:1 SPR forged pistons, scat nodular crank, eagle forged I-beam rods. has been balanced and clearanced. Comes with new bearings and new pistons rings. This assembly is for a 1-piece rear main seal block. Was used for 5000 miles, disassembled due to a cracked block, cleaned and prepped to be re-assembled but I have lost interest and given up on the car. I just need to get rid of the parts and cut my losses. Looking for 450 plus shipping, so should be less than 500 total. I paid over 1000 dollars for these parts a few years back and they are in virtualy brand new condition. All you need for this to be a complete short block is a 350 1-piece block. Don't miss out

203.808.2525
cdez84@adelphia.net

Chris
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Old Aug 13, 2006 | 11:45 PM
  #2  
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
stock pistons, or for bored over sized? if so, what size?
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Old Aug 13, 2006 | 11:47 PM
  #3  
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they are 0.030 over
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Old Aug 14, 2006 | 12:47 AM
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383 assembly

compression ratio with what head cc - part no on the pistons?
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Old Aug 20, 2006 | 11:24 PM
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From: Middleburry, CT, USA
138093

http://store.summitracing.com/partde...5&autoview=sku

pistons alone are worth more than I am asking for the whole assembly
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Old Aug 20, 2006 | 11:28 PM
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From: Margate, FL
Car: 89 WS6 formula firebird
Engine: 305 TPI :(
Transmission: 700R4
Axle/Gears: 2.73
pix?
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Old Aug 21, 2006 | 07:58 AM
  #7  
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here ya go...
Attached Thumbnails 383 rotating assembly-100_0758.jpg   383 rotating assembly-100_0759.jpg   383 rotating assembly-100_0760.jpg  
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Old Aug 21, 2006 | 07:59 AM
  #8  
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and 2 more...

black spots on piston is dust, not pits... look close
Attached Thumbnails 383 rotating assembly-100_0761.jpg   383 rotating assembly-100_0762.jpg  
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Old Aug 21, 2006 | 09:09 PM
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From: Fl
What CC heads give it 10.5:1?
What caused the cracked block, any internal damage?
Is it internal balance?
Was the balancing/clearancing done by a reputable shop?
Shipping to Fl 34471?

Sara Lou
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Old Aug 21, 2006 | 09:14 PM
  #10  
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From: Middleburry, CT, USA
its 11:1 with 64cc, but less with 76cc and it all depends on deck height and gasket thickness. the assembly is internaly balanced and was clearanced by a reputable shop. cracked block was my fault, I learned the hard way you don't tourque head studs, no internal damage, as far as as shipping is concerned I am going to call if 75 dollars, anything more I will cover, so 550 shipped.
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