Is my 305 a HO or not?
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Junior Member
Joined: Sep 2001
Posts: 8
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From: Calgary, Alberta. Canada.
Is my 305 a HO or not?
I just purchased a 1984 Camaro Z28 with a 305 and a 5 speed manual tranny. I was just wondering if the engine is a High Output and how would I find out?
My VIN# is 1G1AP87H7EL230112
Thanks to all in advance.
My VIN# is 1G1AP87H7EL230112
Thanks to all in advance.
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Kevin is correct... you have "H" as the engine digit, that one is the LG4. So at least it disn't come with the L69.
LG4 that year was rated 145 HP, L69 was rated 190 HP. Your car probably has a 3.23 gear where teh HO cars got 3.73s. There are lots of minor differences between the 2 motors; the biggest ones ar ethe exhaust system, the cam, and the compression.
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"So many Mustangs, so little time..."
ICON Motorsports
LG4 that year was rated 145 HP, L69 was rated 190 HP. Your car probably has a 3.23 gear where teh HO cars got 3.73s. There are lots of minor differences between the 2 motors; the biggest ones ar ethe exhaust system, the cam, and the compression.
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"So many Mustangs, so little time..."
ICON Motorsports
Senior Member
iTrader: (1)
Joined: Sep 2001
Posts: 643
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From: Mechanicsburg,Pa usa
Car: 92'Camaro RS
Engine: a loud one
Transmission: bolted to the engine
Racer2pro the eight didget is the engine code. Yours is a H so the H is just a 305 CID,V8,BC and is not the H.O. engine the didget for the high output engine would be a G. You are probably looking at 145 hp from it's stock settings.
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92' Camaro RS/Black,T-tops/350 TBI Targetmaster Comp.engine/5 spd/march underdrive pulleys/hedman hedders/3" dynomax exaust/hyper tech stage 2 chip/3.42 gears/K&N air filter/MSD blaster GM coil.......currently setting in my garage impatiently waiting for installation....TPI !!!!!
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92' Camaro RS/Black,T-tops/350 TBI Targetmaster Comp.engine/5 spd/march underdrive pulleys/hedman hedders/3" dynomax exaust/hyper tech stage 2 chip/3.42 gears/K&N air filter/MSD blaster GM coil.......currently setting in my garage impatiently waiting for installation....TPI !!!!!
Joined: Mar 2000
Posts: 43,187
Likes: 45
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
<font face="Verdana, Arial" size="2">Originally posted by RB83L69:
There are lots of minor differences between the 2 motors; the biggest ones ar ethe exhaust system, the cam, and the compression.
</font>
There are lots of minor differences between the 2 motors; the biggest ones ar ethe exhaust system, the cam, and the compression.
</font>
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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. 2-1/2" cat-back, ZZ3 intake, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 CC system w/'87 LB9 block, ZZ3 cam, ported World 305 heads, Hooker 2055 headers, 3" Catco cat & 3" catback, restalled TC, Spohn SFCs).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
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