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L98 Rebuild Pics

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Old Oct 14, 2019 | 06:09 PM
  #1  
Tootie Pang's Avatar
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From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
L98 Rebuild Pics

Thanks for all the help on the sight here! The short block is well underway. The crank, cam and first two pistons are in. I measured and all clearances are within new specs.











Last edited by Tootie Pang; Oct 14, 2019 at 06:19 PM.
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Old Oct 14, 2019 | 06:51 PM
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Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: L98 Rebuild Pics

Is that grease, or assembly lube?
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Old Oct 14, 2019 | 09:28 PM
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From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: L98 Rebuild Pics

Redline assembly lube https://www.summitracing.com/parts/red-80319
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Old Oct 14, 2019 | 10:27 PM
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From: Ontario, Canada
Car: 1987 IROC-Z
Engine: L98 5.7L
Transmission: MD8 700R4
Axle/Gears: G80 GW6 3.27:1
Re: L98 Rebuild Pics

Looking good!
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Old Oct 15, 2019 | 12:56 AM
  #5  
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From: S. UTAH
Car: 1989 IROC-Z 305 LB9 AT Convertible
Engine: LB9 305
Transmission: AT
Re: L98 Rebuild Pics

I LOVE the smell of a freshly built engine!
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Old Oct 15, 2019 | 07:50 AM
  #6  
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Car: 89 Firebird
Engine: 355 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt.Posi-3.73s
Re: L98 Rebuild Pics

Looking good! Been so busy ive only taken my heads off and sent to have refreshed haven't touched my shortblock yet hoping to get it in over the winter I suppose.
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Old Oct 15, 2019 | 10:24 AM
  #7  
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From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: L98 Rebuild Pics

Thanks all. Yeah Mike, love the smells of the iron, greases, solvents. Sounds funny to some not sharing our interests, but I love it. Each of my boys will install a piston. I even brought my wife out to show her the first two rotating around with the crank. She was a pillar of strength with not even so much as a hint of an eye roll and a simple "cool!" while I cranked away giggling maniacally the whole time.

Last edited by Tootie Pang; Oct 15, 2019 at 05:19 PM.
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Old Oct 20, 2019 | 06:19 PM
  #8  
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Re: L98 Rebuild Pics

What did they use to square deck with looks odd..................
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Old Oct 20, 2019 | 09:20 PM
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From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: L98 Rebuild Pics

That doesn't look like it was squared..... doesn't even look machined.

Belt sander?!?

Yeah that's a pretty weird (sh1tty) deck finish if you ask me. Definitely don't use an MLS gasket on that mess. Should look like this:




GD

Last edited by GeneralDisorder; Oct 20, 2019 at 09:50 PM.
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