Firing order and casting number questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

1974ChevyC10 · 11-09-2004, 07:24 PM

where besides mortec.com can i find engine casting number breakdowns-i have a casting number for a non-chevy block so i need to know what it is.

also what engines have the firing order 1-8-7-2-6-5-4-3.

thanks

DennyB · 11-09-2004, 08:17 PM

gen III ls1, ls6
Does it have sefi?
I also think vortec's have that order, some marine vortec's do.
not sure about the vortec's though

edit -that would be the 8.1L vortec

1974ChevyC10 · 11-09-2004, 10:14 PM

gen III ls1, ls6
Does it have sefi?
I also think vortec's have that order, some marine vortec's do.
not sure about the vortec's though

i dont know all i have is the block,connecting rods and main caps.it has no intake,exhaust or any external accessories.all i have is the casting number off the pad at the back of the motor.as far as the firing order its taken off a intake manifold i have i have no clue what its off i know its not a chevy one i know that much,

DennyB · 11-09-2004, 11:27 PM

Can you take pictures of it and post them?

1974ChevyC10 · 11-11-2004, 05:53 PM

possibly ill try to

11-09-2004, 07:24 PM	#1
1974ChevyC10 Overworked and Underlaid Join Date: May 2002 Location: Flagstaff,Arizona Posts: 1,279	Firing order and casting number questions where besides mortec.com can i find engine casting number breakdowns-i have a casting number for a non-chevy block so i need to know what it is. also what engines have the firing order 1-8-7-2-6-5-4-3. thanks __________________ I'd rather push a Chevy than drive a Ford The Beast-1978 C10 LWB Red-1978 C10 LWB (Uncle Mike)Michael Henry Millett 11/5/1957 to 03/08/2012 Gone but will never be forgotten-RIP (Uncle Chuck)Charles Manning Gulbronsen Sr 1956-2012 Taken from us to soon but you will live on in our hearts-RIP

11-09-2004, 08:17 PM	#2
DennyB Led Sled! Discs R 4 ME! Join Date: Jan 2001 Location: Toms River, NJ, USA (Transplanted Hoosier) Posts: 7,327	gen III ls1, ls6 Does it have sefi? I also think vortec's have that order, some marine vortec's do. not sure about the vortec's though edit -that would be the 8.1L vortec __________________ "Never ride faster than your Angel can fly" I.M.O.M,W,J&C Patriot Guard Rider

11-09-2004, 10:14 PM	#3
1974ChevyC10 Overworked and Underlaid Join Date: May 2002 Location: Flagstaff,Arizona Posts: 1,279	gen III ls1, ls6 Does it have sefi? I also think vortec's have that order, some marine vortec's do. not sure about the vortec's though i dont know all i have is the block,connecting rods and main caps.it has no intake,exhaust or any external accessories.all i have is the casting number off the pad at the back of the motor.as far as the firing order its taken off a intake manifold i have i have no clue what its off i know its not a chevy one i know that much, __________________ I'd rather push a Chevy than drive a Ford The Beast-1978 C10 LWB Red-1978 C10 LWB (Uncle Mike)Michael Henry Millett 11/5/1957 to 03/08/2012 Gone but will never be forgotten-RIP (Uncle Chuck)Charles Manning Gulbronsen Sr 1956-2012 Taken from us to soon but you will live on in our hearts-RIP

11-09-2004, 11:27 PM	#4
DennyB Led Sled! Discs R 4 ME! Join Date: Jan 2001 Location: Toms River, NJ, USA (Transplanted Hoosier) Posts: 7,327	Can you take pictures of it and post them? __________________ "Never ride faster than your Angel can fly" I.M.O.M,W,J&C Patriot Guard Rider

11-11-2004, 05:53 PM	#5
1974ChevyC10 Overworked and Underlaid Join Date: May 2002 Location: Flagstaff,Arizona Posts: 1,279	possibly ill try to __________________ I'd rather push a Chevy than drive a Ford The Beast-1978 C10 LWB Red-1978 C10 LWB (Uncle Mike)Michael Henry Millett 11/5/1957 to 03/08/2012 Gone but will never be forgotten-RIP (Uncle Chuck)Charles Manning Gulbronsen Sr 1956-2012 Taken from us to soon but you will live on in our hearts-RIP

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