those with ls2,l92 builds come on in please
02-27-2014, 02:33 PM
#1
those with ls2,l92 builds come on in please So guys listen i am planning this build and I was told I could not achieve anywhere near 500/500 rwhp/tq doing this on a budget. So can some of you guys who have came close or exceeded this goal come in and share your build a dyno number with me.
I have been over to dyno page looking and really haven't seen much up there. of course I didn't spend endless hours looking either .
Still weighing out options and configurations as to stroke and bore combos to help me succeed and keep consumption and slap down and maintain drive-ability.
I mean yea i am doing this on a budget but, also that doesn't mean i'm skimping on parts. I've seen great deals on here and instead of paying 2500 for a crank i don't care to wait around for a good deal either.
I have been over to dyno page looking and really haven't seen much up there. of course I didn't spend endless hours looking either .
Still weighing out options and configurations as to stroke and bore combos to help me succeed and keep consumption and slap down and maintain drive-ability.
I mean yea i am doing this on a budget but, also that doesn't mean i'm skimping on parts. I've seen great deals on here and instead of paying 2500 for a crank i don't care to wait around for a good deal either.
02-27-2014, 04:31 PM
#3
Well I buy as I can and look for deals . I have new heads and a low mileage block. So far far as internals go I can't afford 2500 for a crank or 2g for rods ya know but forged internals is my plan and stroking I know is key for CID and hell if I could find a ls3 block on the cheap I'd go that route but I have a aluminum block and I'm happy.
So I'm thinking 4.250 stroke and .030 over should bet me pretty good CID .
So I'm thinking 4.250 stroke and .030 over should bet me pretty good CID .
02-27-2014, 06:18 PM
#4
Well I buy as I can and look for deals . I have new heads and a low mileage block. So far far as internals go I can't afford 2500 for a crank or 2g for rods ya know but forged internals is my plan and stroking I know is key for CID and hell if I could find a ls3 block on the cheap I'd go that route but I have a aluminum block and I'm happy.
So I'm thinking 4.250 stroke and .030 over should bet me pretty good CID .
So I'm thinking 4.250 stroke and .030 over should bet me pretty good CID .
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02-27-2014, 07:59 PM
#8
on another note, I have a 402 LS2 (4.005 x 4.0), 11.5:1 compression, GMPP CNC LS3 heads, LS3 intake, LS2 throttle body, LG Street series long tubes, Corsa Tigershark exhaust. I am shooting for 550rwhp on motor so I will post up here when I get my results. I am looking to have the car to the tuner in the next 2ish weeks.
02-27-2014, 09:18 PM
#9
Hardcoresoldier sounds nice keep me informed love to see the results.
But yea I was thinkin you can go 4.125 in a ls2 block. Maybe someone will chime in. My block is an 09 block so it more then likely had the l92 heads. The heads I have are ls3. I'm thinking open up the exhaust ports and just smooth the intake with a 421 should be pretty awesome, just trying to figure out pistons, cam, and compression. I should be able to run pump gas as long as I pull timing via laptop. Not to sure I've just been reading around
But yea I was thinkin you can go 4.125 in a ls2 block. Maybe someone will chime in. My block is an 09 block so it more then likely had the l92 heads. The heads I have are ls3. I'm thinking open up the exhaust ports and just smooth the intake with a 421 should be pretty awesome, just trying to figure out pistons, cam, and compression. I should be able to run pump gas as long as I pull timing via laptop. Not to sure I've just been reading around
02-28-2014, 06:44 AM
#10
4.125" stroke in a stock sleeve LS block is tricky. It pulls the pistons pretty far down, so not only is the pin height reduced, but the skirt profile of the piston needs to be raised as well. Wiseco has shelf pistons for a 4.125" stroke, but the last time I checked, Erik Keonig of HKE has a custom spec'd Wiseco he prefers to use to reduce rocking, wear, and oil consumption with pretty good success.
02-28-2014, 07:59 AM
#11
Yea I figured there was going to be something with that from what I've read. Only thing that confuses me is If it would be worth going 4.125 stroke with say a six inch rod and and keep the piston rock down? But I don't think that would work because I'm still into the piston sleeve coming down into the crank I'm I'm thinking right. But then I could be thinking backwards. Short rod would pull the piston down further in the cylinder. So I might call weisco to see what I can come up wth
02-28-2014, 01:01 PM
#12
Yea I figured there was going to be something with that from what I've read. Only thing that confuses me is If it would be worth going 4.125 stroke with say a six inch rod and and keep the piston rock down? But I don't think that would work because I'm still into the piston sleeve coming down into the crank I'm I'm thinking right. But then I could be thinking backwards. Short rod would pull the piston down further in the cylinder. So I might call weisco to see what I can come up wth
02-28-2014, 01:07 PM
#13
4.125 is the longest throw a stock block can take and thats with custom pistons designed to allow it. Rod length has to stay at 6.125 with that setup. From all the reading I've done even with custom pistons the ring seal still gets to low and you'll have oil consumption. How much seems to vary by account. The other issue is you run into a bore to piston stroke ratio issue.
Lots of builders do not recommend more stroke than bore.
Lots of builders do not recommend more stroke than bore.
02-28-2014, 04:05 PM
#16
I know this that's where my head is at thinking about all this. I am about to the point if where I am thinking of just pulling of my stack of magazines and copying a build lol. I got one of a 402 putting. Down 567 fwhp. I can live with that!
02-28-2014, 05:32 PM
#17
i found this on texas speeds site maybe this is what i need. to do what i want ?
http://texas-speed.com/p-760-wiseco-...25-stroke.aspx
http://texas-speed.com/p-760-wiseco-...25-stroke.aspx