The 1947 - Present Chevrolet & GMC Truck Message Board Network

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- Engine & Drivetrain (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=24)

- - Inline 6 (https://67-72chevytrucks.com/vboard/showthread.php?t=808548)

mikie 1954

07-01-2020 04:46 PM

Inline 6

I have a GM 6 cylinder motor that I know nothing about. I don't think that it is a 292 as the motor mounts are strate across from each other and I believe that the 292's where staggered. How do I find what the motor is ? ( 235-250 etc)

geezer#99

07-01-2020 07:33 PM

Re: Inline 6

A pic helps.

mongocanfly

07-01-2020 11:17 PM

Re: Inline 6

http://www.67-72chevytrucks.com/vboa...d.php?t=356268

dennislbrooks

07-05-2020 07:05 AM

Re: Inline 6

I believe the GMC pickups did not get the new design GM L6 until 1963 and it was a 230. I think they got their first 250 in 1965. I will be corrected if I am wrong.

My info does not agree with Mongo and he has a high percentage of right.

I just put a 250 from a 68 Camaro in my 1959 GMC -- had a 270- , so I found out a little info on it.

the idiocracy

07-05-2020 11:30 AM

Re: Inline 6

side covers on a 292 are 6" tall. 250 and below are 4".

mikie 1954

07-08-2020 10:28 AM

Re: Inline 6

Thanks that gave me the info I needed to find out what I have. Thanks Mike

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