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Which were roller?

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Old Jun 18, 2002 | 10:15 PM
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300hpse's Avatar
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From: Englewood, CO
Car: 1990 Trans Am
Engine: Lb9
Transmission: factory T5
Axle/Gears: 3.08 limited slip
Which were roller?

someone mentioned the lg4 as being a roller motor, now correct me if im wrong but the lg4 and l69 and hydraulic FLAT tappet motors and the lo3, lb9 and l98 have roller cam, rockers, and lifters, right?
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Old Jun 18, 2002 | 10:52 PM
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rezinn's Avatar
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From: California
Yes, except none came with roller rockers.
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Old Jun 18, 2002 | 11:31 PM
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From: Surrey, BC
The 87 LG4 has a roller cam in it.
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Old Jun 19, 2002 | 12:42 PM
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300hpse's Avatar
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From: Englewood, CO
Car: 1990 Trans Am
Engine: Lb9
Transmission: factory T5
Axle/Gears: 3.08 limited slip
so i was right or are they all roller motors?
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Old Jun 19, 2002 | 12:45 PM
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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
"all" what?

In 3rd gens, '82-'86 LG4's were flat tappet (cam and block). In '87, LG4's were roller tappet (cam and block).
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