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Rings, what to buy?

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Old Dec 1, 2008 | 12:42 PM
  #1  
bvlahov's Avatar
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From: Zagreb, Croatia
Car: C4 Corvette
Engine: l-98
Transmission: 700r4
Rings, what to buy?

I've bought a used set ofpistons (see below) and I'd like
your suggestions on what rings to get.
Cast? Moly? Plasma moly? What manufacturer?

Engine will be L-98 350 (0.020" overbore) with stock crank,
forged rods and pistons, and will see 6500-6700 rpm max.

Here are piston specs:

Manufacturer: SRP
Mfg part #: 138084
Description:
- Forged from 4032 low expansion high silicon aluminum alloy heat treated to SRP specifications
- Forced Pin Oiler for increased wrist pin lubrication
- Pin fitting, and double spiro locks
- 927-2750-150 wall wrist pin (130 grams)
- CNC Machined ring grooves accept 1/16 1/16 3/16 rings
- Piston Weight 493g
- Valve Relief Volume -5cc
- Compression Height 1.56"
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Old Dec 1, 2008 | 01:30 PM
  #2  
Apeiron's Avatar
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Joined: Jan 2000
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Rings, what to buy?

Sealed Power E251K020
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Old Dec 1, 2008 | 01:40 PM
  #3  
Rayzor32's Avatar
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From: BUFFALO, NY
Car: '89 IROC-Z
Engine: 355
Transmission: 700r4 edge 3000 stall
Axle/Gears: 9-bolt 3.73
Re: Rings, what to buy?

moly rings are way better than cast go with them. They are real common nowadays. You only need moly for the top ring though. All plasma moly means is the moly is in a plasma and sprayed on the outside of the ring I think all moly rings are made like this IIRC. I like sealed power but i don't think you can really go wrong.
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