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95 S_Trucker · 09-09-2018, 04:34 PM

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.

09-09-2018, 04:34 PM	#2
95 S_Trucker Registered User Join Date: Oct 2009 Location: . Posts: 2,187	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.