What are 241 heads? The 241 heads were used on 5.7L LS1 applications and are considered by many to be just a minor step up in performance from the 706. In terms of peak flow,
What are 241 heads?
The 241 heads were used on 5.7L LS1 applications and are considered by many to be just a minor step up in performance from the 706. In terms of peak flow, the 241 heads offered 242 cfm at 0.700-inch lift from the 199cc intake ports, and 204 cfm from the 71cc exhaust ports.
What did 241 heads come on?
The 241 head is a stock ls1 head it was on the f bodys and also on the ls1 vettes. They were produced between 2000 and 2003. they are the same as the 853, the 853 was made from 1997 to 2000. ls6 heads are 243’s.
Are 241 heads aluminum?
241 GM Ls1 Aluminum Cylinder Heads 12564241.
Are 241 LS heads good?
What engine did 243 heads come on?
The 243 head came on the more powerful LS6 engine from 2001 to 2006, and was used in C5 Corvettes. Later engines like the truck-spec LQ9 and LQ4 used the exact same port design as the LS6’s 243 heads, but had 6 cc larger combustion chambers.
Can you put 5.3 heads on a 5.7 block?
The 5.3 heads and LS1 5.7 heads will interchange, but the 5.7 heads have a larger combustion chamber so putting them on your 5.3 would lower your compression.
Are 799 heads better than 317 heads?
Designed specifically for a 6.0L application, the 317 heads also had the largest chamber diameter of 3.923 inches. In. Despite larger exhaust port volumes than either the 706 or 241, the 799 heads offered the least exhaust flow of the bunch, with a peak of just 191 cfm.
Can You port LS1 241 heads to 243 heads?
If you have a set of perfectly good LS1 heads, there’s no sense in tossing them for the 243’s if you have any experience in basic porting. Gasket-matching, bowl-blending and smoothing out the shortside-turn radius will easily net you another 10 cfm in flow or more, and porting is practically free if you’ve got a die grinder and a few bits.
Can a GM Cathedral be used as a heads cam?
More details.. From a heads cam LS build to a moderate power adder car. Our Stage 1 ported GM cathedral port porting services are EXACTLY what your ride needs to put the power to the ground. Contact us now if you have any questions! Stock Rockers.
When did the LS6 243 head come out?
The 243 head came on the more powerful LS6 engine from 2001 to 2006, and was used in C5 Corvettes. Later engines like the truck-spec LQ9 and LQ4 used the exact same port design as the LS6’s 243 heads, but had 6 cc larger combustion chambers.