compression ratio on a stock 1985 C20 350 - The 1947 - Present Chevrolet & GMC Truck Message Board Network



Register or Log In To remove these advertisements.

		The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board
compression ratio on a stock 1985 C20 350

Site Merchandise

Thread Tools

Display Modes

06-01-2018, 05:06 PM

G-NUT

Registered User

Join Date: Apr 2014

Location: Baldwin County, Alabama

Posts: 163

Re: compression ratio on a stock 1985 C20 350

Quote:

Originally Posted by Keith Seymore

The LT9 was the base 350 engine for Federal Emissions. Compression Ratio was 8.3:1

There was also an LS9 available for California only. Compression Ratio was 8.2:1

https://www.gmheritagecenter.com/doc...olet-Truck.pdf

K

Thanks for that. I found the spec on the link you left. I have the LT9, 350 (M). Showed me my bore, stroke, compression ratio, all kinds of good stuff.

I appreciate it.

__________________

'84 Suburban C10 Silverado - laying pinchweld to the ground on 22/24.
/Porterbuilt / Accuair / Bonspeed / Landsail / Auburn Gear / Richmond Gear / Moser / Raybestos / ProMaxx / Edlebrock / Street Demon / Taylor Wire / K&N / MSD / KillMat /

SOLD: 1985 GMC Sierra Classic 2500 3+3 Crew Cab Long Bed

Bookmarks

Tags

compression, compression ratio

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT -4. The time now is 10:50 PM.

Register or Log In To remove these advertisements.