Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

I.D. This Motor

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Old 04-27-2009, 05:21 PM
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Default I.D. This Motor

Looking at this 1972 Chevelle, guy said the engine is a LT1 out of a Vette, asked him about the year and HP/TQ but he had no idea and stated the prior owned did all the work...can anyone help me out here with the year at HP/TQ of it...

THANKS !!
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Old 04-27-2009, 06:53 PM
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dont think its a lt1 cause of the manual fuel pump.
Old 04-27-2009, 07:11 PM
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IT is probably the original LT-1. Kinda like ls6 and ls7 were big block chevies originally
Old 04-27-2009, 09:00 PM
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Originally Posted by PimpalaSS07
Looking at this 1972 Chevelle, guy said the engine is a LT1 out of a Vette, asked him about the year and HP/TQ but he had no idea and stated the prior owned did all the work...can anyone help me out here with the year at HP/TQ of it...

THANKS !!
Yea about 90% of people selling sbc's claim they are "vette" motors and about 1% really are. You need to check the # in front of the right head to see what it really is.
Old 04-29-2009, 02:41 AM
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ha spark plugs look too easy to get to for it to be an lt1. maybe early tpi.
Old 04-29-2009, 10:33 AM
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Ed is right, could be a early 70-73 LT1. To be sure you would have to check all the numbers on the motor.
My 70RS/Z had a factory 370HP LT1 and it had factory solid lift cam.
Old 05-21-2009, 01:46 AM
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well it is a 70's motor because the dipstick is on the drivers side of that motor it appears because i dont see one on the pass side. if i do remember right the LT1 from the 70's had angled plug heads so is it is an LT1 someones changed the heads
Old 05-21-2009, 11:46 AM
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Good eye all LT1s had angle plug heads...I've got a set out in the shop actually...
Old 05-22-2009, 03:08 AM
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Im going to go out on a limb here and say its a small block chevy.

But seriously what are the numbers on the back of the block? What numbers are under the valve covers?




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