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Engine # T0912CMJ

Forum: C3 Engines, Driveline and Handling

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Engine # T0912CMJ

Posted: 11/26/05 12:28pmMessage 11 of 16
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Houston, TX - USA
Joined: 2/25/2003
Posts: 193
Vette(s): 1971 LS5 Convertible 4 sp

Thanks. That's what I found out too: I believe the engine comes from a 1974 Police's Camaro.

Christian

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Engine # T0912CMJ

Posted: 11/26/05 3:55pmMessage 12 of 16
r
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North Charleston, SC - USA
Joined: 3/20/2004
Posts: 4208
Vette(s): 1975 L48 AT AC T-top
There were no police Camaros in 1974. Pursuit package Camaros were introduced for police use in 1992 or 1993 and were produced through the 2002 model year.

Scott
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Engine # T0912CMJ

Posted: 11/27/05 1:31amMessage 13 of 16
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Houston, TX - USA
Joined: 2/25/2003
Posts: 193
Vette(s): 1971 LS5 Convertible 4 sp

So, what do you think "  t4OO police " stands for in MrMako's answer ?

Christian

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Engine # T0912CMJ

Posted: 11/27/05 7:34amMessage 14 of 16
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HOWELL, NJ - USA
Joined: 5/18/2004
Posts: 6812
Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

The 1974 indication is not for Camaros but a 350 for full size police apps according to the information from Mr.Mako. In 1980, you could get the 305 in a full size or Camaro.

My guess on the T400 is that the police application came with a Turbo Hyrdromatic 400 trans.

My 2 cents.

Luke

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Engine # T0912CMJ

Posted: 11/27/05 7:43amMessage 15 of 16
r
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North Charleston, SC - USA
Joined: 3/20/2004
Posts: 4208
Vette(s): 1975 L48 AT AC T-top
The t400 means a turbohydromatic automatic transmission mated to a 350c.i.  engine for a fullsize sedan application, possibly a Caprice. GM had very a very small protion of the police market in 1974. Chysler had the majority of the police interceptor market.
Scott
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Engine # T0912CMJ

Posted: 11/27/05 7:50amMessage 16 of 16
B
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Frederick, MD - USA
Joined: 2/20/2003
Posts: 555
Vette(s): Frederick County Corvette Club (Maryland) Tan 64 365 Hp Conv 4 sp Red 72 4 sp Conv ..running a '68 327 Blue 76 Coupe L 48 4 sp White 79 Coupe L 82 auto Silver 98 Conv, 6 sp 35th Anniv '88 vette

According to my well worn Copy of the "Green Book"  ..
(the complete Chevy V8 Engine Code book  from 1955 thru 1985)

The CMJ code was used in 1974 for passanger cars ... rated at 160 Hp
     all automatics, all 4 barrels...and also used in Police Cars

The same code was used in 1975 and 1976 models rated at 145 Hp
with 2 barrels and dropped into Passenger Cars, Monte Carlos and Chevelles

The code also was used in 1980 (305's) rated at 155 Hp ...also
listed as a passenger car engine,...

Only codes used in 1974 Corvettes were
    ckz  cla clb clc cld clh clr cls cwm cwr cws or cwt

If your engine runs strong ..do you really care... ?   lol

Bob G. 

Bob
64,72 & 98 Corvette Ragtops
76 & 79 & qa 88 ANC Corvette Coupes

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