What kind of oil 5w30& spark plugs&spark plug wire

**ROMERO98Z28** · 08-29-2009, 10:05 AM

What brand is good to use in 98 z28 ls1 royal,amsoil,q-5w30,....spark plugs ngk-tr55&msd 8.5 wires?????

**TransAm11973** · 08-29-2009, 03:59 PM

go with amsoil or penzoil platinum....royal purple is crap in a bottle...ngk are good plugs but not sure what type for your year. msd wires are good as well.

**pajeff02** · 08-29-2009, 04:58 PM

^^ What he said.

**97ramair** · 08-29-2009, 05:42 PM

Royal is crap??? Dont know bout that. many racers i know use it. Guy i know who builds 9 second and faster cars has found that cars that use that oil have less wear on them. Just interested in where you got this info.

**pajeff02** · 08-29-2009, 05:45 PM

This will get you started in the right direction: http://www.ls1.com/forums/showthread...&highlight=oil

**TransAm11973** · 08-29-2009, 05:55 PM

Originally Posted by 97ramair

Royal is crap??? Dont know bout that. many racers i know use it. Guy i know who builds 9 second and faster cars has found that cars that use that oil have less wear on them. Just interested in where you got this info.

where i got it, from test results I have read myself and others on this site who really know their stuff......royal purple being crap is kinda like the sun being hot....there is no doubt about it

**V8MUSCLE** · 08-29-2009, 05:55 PM

i use mobil 1 synthetic 5w30.

**pajeff02** · 08-29-2009, 06:02 PM

Originally Posted by V8MUSCLE

i use mobil 1 synthetic 5w30.

I did too on my last oil change. However, looks like they have some wear issues with Mobil 1 these days that they are being pretty quiet about. Amsoil, Penzoil Platinum and German Castrol seem to be the way to go.

**97ramair** · 08-29-2009, 06:33 PM

Sorry cant agree. We are all entitled to our opinions though. we prob wouldn't agree on car waxes either. Check out these sights.

**TransAm11973** · 08-30-2009, 07:05 AM

Originally Posted by 97ramair

Sorry cant agree. We are all entitled to our opinions though. we prob wouldn't agree on car waxes either. Check out these sights.

to each his own i guess.....I dont base good oil on whether or not some tv show promotes it or not.....Perfect example is carol shelby and Z-Max........on that COMMERCIAL, he guarantees it and says he puts it in all his cars......but now we all know about the lawsuit and that Z-Max is crap in a bottle....Commercials and tv shows dont mean squat because all it is is someone getting paid to say something......I base my decisions on actual INDEPENDENT testing/analysis and the discussion/opinions of those who know there stuff.

**CompSyn** · 08-30-2009, 07:33 AM

Just know that in this video:

Royal Purple is using a bench tester that is a non-approved testing method by American Society for Testing and Materials (ASTM).

See also: Inadequate Demonstration Using Hand-Held Tests

CompSyn

**KMdef9** · 08-30-2009, 08:52 AM

Originally Posted by pajeff02

I did too on my last oil change. However, looks like they have some wear issues with Mobil 1 these days that they are being pretty quiet about. Amsoil, Penzoil Platinum and German Castrol seem to be the way to go.

I've used mobil 1 full syn for years, on 4 different vehicles, from 2.4l's to 5.7l's. Holds up very well, only takes a crank or 2 to turn the motor over. I haven't heard any news about it being bad, but I'm sure if you read into it enough, you can find someone who has had a bad experience with every product out there. I also don't drive every where with the gas pedal pushed through the floor board and don't have an annual pass to the track.

**TransAm11973** · 08-30-2009, 12:09 PM

Originally Posted by KMdef9

I've used mobil 1 full syn for years, on 4 different vehicles, from 2.4l's to 5.7l's. Holds up very well, only takes a crank or 2 to turn the motor over. I haven't heard any news about it being bad, but I'm sure if you read into it enough, you can find someone who has had a bad experience with every product out there. I also don't drive every where with the gas pedal pushed through the floor board and don't have an annual pass to the track.

i think he is referring to the fact that mobil 1 is no longer a true synthetic like it used to be,.....it is now a blend......due to the manufacturing and law standards they are able to market it as 100% synth

**KMdef9** · 08-30-2009, 03:09 PM

Ah, ok.

**totalkos** · 08-30-2009, 03:33 PM

Originally Posted by 97ramair

Royal is crap??? Dont know bout that. many racers i know use it. Guy i know who builds 9 second and faster cars has found that cars that use that oil have less wear on them. Just interested in where you got this info.

lol then it MUST be the best right? because everybody uses it!

i saw this commercial, it said it was the best. SO IT IS!!!

**97ramair** · 08-30-2009, 05:46 PM

If you carefully read what i wrote i never said "everybody" uses it or that "it is the best." Just didn't agree w/ the crap statement that's all.

**TransAm11973** · 08-31-2009, 12:40 PM

Originally Posted by 97ramair

If you carefully read what i wrote i never said "everybody" uses it or that "it is the best." Just didn't agree w/ the crap statement that's all.

see thats the thing though.....it is crap

**blue02Z** · 08-31-2009, 01:00 PM

i second the fact that RP is junk

**ROMERO98Z28** · 08-31-2009, 01:29 PM

What about quaker state 5w30 full synthetic motor oil????

**TransAm11973** · 08-31-2009, 01:50 PM

Originally Posted by ROMERO98Z28

What about quaker state 5w30 full synthetic motor oil????

I havent heard bad things about quaker state, but I havent heard great things either. I would say that it is an average oil.

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