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Chris Hill · 09-03-2014, 07:10 PM

86 c-10 at 155 factory hp is a 262 CID (4.3 v6).

A 305 is not currently listed in the guide for 86 c10.

09-03-2014, 07:10 PM	#5
Chris Hill Senior Member Join Date: Jan 2002 Posts: 655 Likes: 8 Liked 244 Times in 26 Posts	Re: Horsepower Adjustments 86 c-10 at 155 factory hp is a 262 CID (4.3 v6). A 305 is not currently listed in the guide for 86 c10. __________________ Chris Hill https://ihmusedparts.com