M1 to AMSOIL. filter question
Thread Starter
On The Tree
Joined: Jul 2005
Posts: 153
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M1 to AMSOIL. filter question Hey guys my current oil setup is 6 quarts of mobil 1 5W30 and a pure one filter. with this setup i dont seem to burn much of any oil but i have piston slap and it is quite prominent at startup AND fully warmed (just quieter). 
so i went and picked up 12 quarts of AMSOIL 5W40 european oil today and plan on doing the oil change 2morrow. i hear amsoil is the best rated oil for protection and the 5W40 euro is a great weight to run in the LS1. also i have heard that this oil helps quiet down piston slap and the valvetrain. so heres the question....what filter should i run? thanks 
and oh dont say the new nanofiber ones from amsoil bc they are on backorder
what about longer filters? what kinds and where to get.
so i went and picked up 12 quarts of AMSOIL 5W40 european oil today and plan on doing the oil change 2morrow. i hear amsoil is the best rated oil for protection and the 5W40 euro is a great weight to run in the LS1. also i have heard that this oil helps quiet down piston slap and the valvetrain. so heres the question....what filter should i run? thanks and oh dont say the new nanofiber ones from amsoil bc they are on backorder
what about longer filters? what kinds and where to get.
Thread Starter
On The Tree
Joined: Jul 2005
Posts: 153
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where can i get a wix filter? also i thought the K&N number was 2006? i am going to pick it up locally bc im doing the change 2morrow so the k&N may be out of the picture. i have a napa and autozone close by as well as a dealership. doesnt ACDelco make a longer filter?
On The Tree
Joined: Jul 2005
Posts: 151
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From: Woodstock,GA
Originally Posted by narc
where can i get a wix filter? also i thought the K&N number was 2006? i am going to pick it up locally bc im doing the change 2morrow so the k&N may be out of the picture. i have a napa and autozone close by as well as a dealership. doesnt ACDelco make a longer filter?
For the 98+ LS1, the short filters that will fit are
FRAM ph3506, PH25
Walmart supertech/tech2000 ST3506
STP #3506
AC PF44, PF46(updated in 2003)
WIX 51042, 51045, 51258, 51364, 51522
NAPA 1042, 1045, 1258, 1364, 1522
Purolater PER123, PER124, PER33, PER4007, 14006
AMSOIL SDF32
BALDWIN B31
DEUTSCH D377
K&N 1007
MOBIL M1-107
PROTEC 167
CARQUEST 4006
------------------------------------
the longer equivalents are
FRAM HP2, PH11, PH3429, PH3675*
AC PF58, PF59*
WIX 51049
NAPA 1049
Purolater PER5, L20123, L25228*
AMSOIL SDF64
MOBIL M1-206
K&N 2006
Bosch 3423
STP S3675
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I am going to switch oils too from M1. Which Amsoil is best for that ticking noise? Mine is there when it is warmed up too. I was thinking about 5W-40 euro. Is there anywhere you can go to find out how the oils are graded as far as thickness. M1 is thin. As soon as I started using it the noise started immediately. I think I am going to switch to the AC Delco filter to see what it does also. I have been considering using 10-40 Castrol Syn but is it really synthetic? The former owner had the car running quiet and he said he thinks that is what he used. The bobistheoilguy website didn't really lead me in any direction.
