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- - 1990 1/2 ton Silverado specs (https://67-72chevytrucks.com/vboard/showthread.php?t=771025)

Sawlog

09-09-2018 02:50 PM

1990 1/2 ton Silverado specs

My neighbor has a 1990 2wd Silverado with a 350.
My question is... does this have vortex heads? And what auto tranny comes in these. I see that it has overdrive
Thank you

95 S_Trucker

09-09-2018 04:34 PM

Re: 1990 1/2 ton Silverado specs

Vortec heads didn’t come out until 96. All 87-95 tbi engines have centerbolt valve covers.

Your transmission is a 700R4/4L60. It is not electronic.

Sawlog

09-09-2018 04:59 PM

Re: 1990 1/2 ton Silverado specs

Ok, thanks. I just crawled under it a seen a jasper stamp on it. So I'm going to have to get some numbers off 9f it to see what it is.

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