243 heads on 99 LS1
09-20-2012, 05:24 AM
#1
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243 heads on 99 LS1 Hey guys, Im thinking about putting 243 heads on my ls1. And my question is what kind of power can i expect to get with the heads and a cam and what kind of cam should i go with with the heads to make a decent amount of power?
09-20-2012, 05:36 AM
#2
i would get them p&p and it all depends on how big of a cam you want to go with i got a tsp 233/239 cam for my daily driver and thats a pretty big cam. But if you want a smaller good daily driver cam look at the tsp 224r or the tsp 228r cam both really good cams and make decent power hope this helps
09-20-2012, 07:37 AM
#5
yeah i wouldnt doubt 420+ through an m6.
my buld is untouched 243's, cam is 615/615 lift, 236/242 duration, 111 lsa. LS6 intake,pacesetter long tubes and off road y pipe. racetronix fuel pump and 42lb injectors. on a mustang dyno it made 423/385. spun engine to 6300 rpms.
hp kept climbing to redline. so if i could rev my engine higher i could make more.
just my experience. i did the 243's untouched because i decided not to do spray so i had the cash to get the heads but not afford a port n polish. it was a budget build
edit: ill be pulling my engine this winter. might have my heads pnp'd. idk though. its still $1000. either TEA or AI. great companies from what i have heard
my buld is untouched 243's, cam is 615/615 lift, 236/242 duration, 111 lsa. LS6 intake,pacesetter long tubes and off road y pipe. racetronix fuel pump and 42lb injectors. on a mustang dyno it made 423/385. spun engine to 6300 rpms.
hp kept climbing to redline. so if i could rev my engine higher i could make more.
just my experience. i did the 243's untouched because i decided not to do spray so i had the cash to get the heads but not afford a port n polish. it was a budget build
edit: ill be pulling my engine this winter. might have my heads pnp'd. idk though. its still $1000. either TEA or AI. great companies from what i have heard
Last edited by autogeek23; 09-20-2012 at 07:46 AM.
09-20-2012, 07:44 AM
#6
yeah i wouldnt doubt 420+ through an m6.
my buld is untouched 243's, cam is 615/615 lift, 236/242 duration, 111 lsa. LS6 intake,pacesetter long tubes and off road y pipe. racetronix fuel pump and 42lb injectors. on a mustang dyno it made 423/385. spun engine to 6300 rpms.
hp kept climbing to redline. so if i could rev my engine higher i could make more.
just my experience. i did the 243's untouched because i decided not to do spray so i had the cash to get the heads but not afford a port n polish. it was a budget build
my buld is untouched 243's, cam is 615/615 lift, 236/242 duration, 111 lsa. LS6 intake,pacesetter long tubes and off road y pipe. racetronix fuel pump and 42lb injectors. on a mustang dyno it made 423/385. spun engine to 6300 rpms.
hp kept climbing to redline. so if i could rev my engine higher i could make more.
just my experience. i did the 243's untouched because i decided not to do spray so i had the cash to get the heads but not afford a port n polish. it was a budget build
thats some good numbers. Get yourself a fast 92/92 setup or a 102 setup and youll be loving life lol.
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09-20-2012, 08:02 AM
#8
[QUOTE=99JoeT/A;16739396]thanks alot guys im running about 360 rwhp right now so im really looking forward to breaking 400. What else will i need to replace with the heads and the cam?[/QUOT
No problem man glad to help. Well a new timing chain,springs,i would get the comp can trunion kit for your lifters just to save a little money if you dont want to get new rockers, arp head bolts and new push rods, and new head gasket. Thats what i can think of off the top of my head and you should be good. If im missing something someone correct me
No problem man glad to help. Well a new timing chain,springs,i would get the comp can trunion kit for your lifters just to save a little money if you dont want to get new rockers, arp head bolts and new push rods, and new head gasket. Thats what i can think of off the top of my head and you should be good. If im missing something someone correct me
