LG motorsport LS6 heads
#3
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LG only started using AS heads in the last 6 months or so. they also use another source for the top of the line heads if thats what you are looking for or are willing to spend and wait on them..
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#8
Originally Posted by 99 Black Bird T/A
My S1 JPR LS6's had the A ingraved in one of the ports too. I'm not sure why it was there I assumed it was from the factory and JPR didn't remove enough material to wipe it out.
Yes this is correct
#12
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Here is what they flow
Lift CFM
200 115
300 174
400 230
500 276
550 283
600 300
650 307
At 700 they backed off, I do have to say; they could have done a way better job on those heads. I'm not going to get into it now, but man what the.......
Lift CFM
200 115
300 174
400 230
500 276
550 283
600 300
650 307
At 700 they backed off, I do have to say; they could have done a way better job on those heads. I'm not going to get into it now, but man what the.......
#14
Originally Posted by SSC5R
At 700 they backed off, I do have to say; they could have done a way better job on those heads. I'm not going to get into it now, but man what the.......
Uhhh if these are used heads, those numbers are not bad at all.
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Originally Posted by kumar75150
Uhhh if these are used heads, those numbers are not bad at all.
All in all, though, 300 at .600 isn't exactly horrid.
#16
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They need a new valve job, valve guides and some muching due to the guides having small cracks around the guides when they were inserted. They still have some ruff spotes in the ports that need some work.