The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - In need of ring end gap specs for 250 inline 6

**AussieinNC** · 05-01-2021, 04:17 PM

I use 0.004 per inch of bore size....

0.0045 would be ok....

Make sure you check bore taper top to bottom....no more than 1/2 a thou.....

Cross hatch should be at 45 degrees...

05-01-2021, 04:17 PM	#4
AussieinNC Moderator Join Date: Jun 2017 Location: Cherryville, NC Posts: 2,157	Re: In need of ring end gap specs for 250 inline 6 I use 0.004 per inch of bore size.... 0.0045 would be ok.... Make sure you check bore taper top to bottom....no more than 1/2 a thou..... Cross hatch should be at 45 degrees... __________________ Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox