The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1967 - 1972 Chevrolet & GMC Pickups Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=3)

- - casting number question? (https://67-72chevytrucks.com/vboard/showthread.php?t=42968)

paintpyro

03-03-2003 01:25 AM

casting number question?

I got this number off my heads. Anyone translate this for me?
3973498. Thanx:flag:

Hotrod70C10

03-03-2003 01:46 AM

are you sure that the last number is an 8?
the only head casting number that I can find is
3973493 which was 71-72 400 with 76cc chambers i can't find the valve sizes for these.

paintpyro

03-03-2003 11:27 AM

I'll have to pull the covers again to doublecheck. Sorry for sounding stupid but, is this a decent performance head?

paintpyro

03-03-2003 02:07 PM

ttt

paintpyro

03-03-2003 07:15 PM

ttt

All times are GMT -4. The time now is 10:19 PM.