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Will L98 heads work on an LG4?

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Old Dec 6, 2000 | 07:58 PM
  #1  
Dan87IROC-Z's Avatar
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Joined: Feb 2000
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From: Fort Collins, Colorado
Will L98 heads work on an LG4?

I know the L98 heads aren't the 2.02"/1.60" valves, so they should work, right?

------------------
1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission with 2.77:1 Rear End

Current Mods: Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip with 160* Thermostat, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET : 14.32 @ 97.7mph
(corrected for elevation)

Soon to come: LT4 HOT Cam, Air Flow Research 190cc Heads, 2800 RPM Stall Converter and SLP 3.70 Rear End Gears.
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Old Dec 6, 2000 | 08:28 PM
  #2  
Cosmik Debris's Avatar
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Joined: Jul 1999
Posts: 565
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From: Christchurch, New Zealand
They will bolt on but with 64cc chambers you will lose a lot of compression. The alloy L98 heads off of a vette are 58cc the same as 305 heads and are a better choice.
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Old Dec 6, 2000 | 10:39 PM
  #3  
Mark305TBI's Avatar
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Joined: Jul 1999
Posts: 1,431
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From: Huntsville, AL
Car: '00 Chevrolet Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73
I've got the aluminum L98's on my LO3, I've got some pictures and flow tables on my website...if ya' wanna check 'em out.

-Mark W.
'88 SC Camaro w/ 305 TBI
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