Will the flexplate for an L98 be correct for the ZZ4 shortblock?
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Senior Member
Joined: Jan 2002
Posts: 888
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From: Oswego, IL
Car: 1989 Iroc-Z
Engine: 350ci SBC
Transmission: 700R4
Will the flexplate for an L98 be correct for the ZZ4 shortblock?
Will it be balaneced correctly? I ordered the shortblock only which didnt come with a flexplate and was wondering if I need a neutrally balanced or one thats counter weighted? Can I just go out and buy a flexplate for an 89 Iroc-Z and it will work correctly on the ZZ4??
Joined: Mar 2000
Posts: 43,187
Likes: 43
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
Yes. You need a one-piece rear-main seal type flexplate, which has the counterweight on it. '86-up, 153-tooth is the correct part.
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