Casting 862 Heads
This is a discussion on Casting 862 Heads within the Internal Engine forums, part of the LSx Technical Help Section category; I picked up my car that was advertised as 6.0 heads on it and found out that it actually had ...
12-29-2010, 08:48 PM #1
Casting 862 Heads
I picked up my car that was advertised as 6.0 heads on it and found out that it actually had 5.3 heads on it by the casting numbers. I was given a bunch of receipts for work that had been done to the car and there was one where some valves had to be replaced in one cylinder and the intake was a 2.05 that was put in when by the specs it should have been a 1.89 valve. My question is is this something that a lot of folks do to the 862 heads and would this make the heads flow much better?
12-29-2010, 10:58 PM #2
hopefully all the valves were changed.....sounds like maybe they put some worked aftermarket heads on there. Stock cam?
12-30-2010, 03:19 AM #3
It has a cam motion cam in it but don't know the specs. I am sure if they replaced a valve with a 2.05 valve then all of them should be that size. I was just wanting to know if that is one of the upgrades done to the 862 heads.
12-30-2010, 05:46 AM #4
12-30-2010, 05:57 AM #5
- Join Date
- Aug 2005
- Texas Department of Corrections
- Retired Outlaw Sum Bitch
What year is your 5.3? My 2007 came with 243 heads stock.
12-30-2010, 06:11 AM #6
12-30-2010, 08:54 AM #7
Does Texas Speed have somebody work there named Jason Mott. If so they did put these heads on this car. I spoke to him and he said he could tell me everything they did to the engine but can't get back in touch with him now.
12-30-2010, 10:07 AM #8
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