lo3 engine question
Thread Starter
Junior Member
Joined: Dec 2011
Posts: 44
Likes: 0
From: sioux city iowa
Car: 1989 formula
Engine: stock lo3 305
Transmission: 700r4
Axle/Gears: dont know
lo3 engine question
my 89 has center bolt valve covers and i was wondering if the lo3 had center bolt valve covers or did someone swap them to vortecs
Last edited by AJHECK95; Feb 17, 2012 at 01:51 PM.
Member
iTrader: (14)
Joined: Mar 2000
Posts: 254
Likes: 2
From: Painesville, Ohio USA
Car: 1989 IROC Z28
Engine: 305 TBI (L03)
Transmission: 700R4 w/ Corvette servo
Axle/Gears: 4th Gen, 3.23, posi, PBR
Re: lo3 engine question
My 89 IROC came w/ centerbolt heads and they are not vortecs. I believe everything after 87 is centerbolt. The vortec heads didn't come out until 93 on the 4th gens.
Thread Starter
Junior Member
Joined: Dec 2011
Posts: 44
Likes: 0
From: sioux city iowa
Car: 1989 formula
Engine: stock lo3 305
Transmission: 700r4
Axle/Gears: dont know
Re: lo3 engine question
thanks for info
i just saw another thread that said the same 87 up had center bolt valve covers
i just saw another thread that said the same 87 up had center bolt valve covers
Supreme Member
Joined: Dec 2000
Posts: 1,271
Likes: 1
From: stallings,n.c.
Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
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