I have a built b18c1 with 11.5.1 compression built head and what not I have always ran castrol gtx 10w 30w with a honda oil filter. I was wondering if I should use anything else?

 

anybody

 

i like amsoil HDD 5-30. i would prefer 0-20, but i'll take the higher zinc and phosphorous content over better cold flow.

https://www.amsoil.com/storefront/hdd.aspx

 

this or redline 5-30 get my vote

 

Torco.

I've logged my MPG and it is consistently higher than other oils by 5%. (5% more power!!).

 

sorry to thread-jack, but what about mobil1?

 

Go to www.bobistheoilguy.com and do some research.

 

What he said. :D

 

5w-30. lighter oil increase gas mileage. idk about the b18c's but I know the obd1 b16a's says it should use 10w-30 while the obd2b uses 5w-30. i have a obd1 b16 and i noticed a difference from 10w-30 to 5w-30 in gas mileage for sure. i'm a mobile1 or castrol guy myself.

 

I use Torco now ... But I have always used Valvoline 10w30 in the past for years. Redline is also good. I think that Torco is better though.

But if it runs good with what you have been running then just keep running it.

 

Royal Purple

 

royal purple is awsome i used it in my b16 since i got it. but burns to quick and cost too much so im on quaker horsepower

 

CC thank you that link was very informative thank you everyone for the response. CC I need to talk to you about getting some head work done, any deals if I send in two heads?

 

Torco Oils: some dyno data here: http://www.bisimoto.net/forum/viewforum.php?f=30

 

id use torco after seeing the gains that it made,

 

I hear that the "Replica" oil works too. lol

 

Hahahahahahahaha.
That's a good one, lol.

 

I run royal purple and love it.
Definite diff. in running temps and mileage.

 

I like to use castrol full synthetic.

 

i ran royal purple 10w40 in my boosted b16. gonna run the same in the boosted gsr.

i think royal purple is a pretty good deal at 6.99/qt.

oil temps come in huge when it comes to making power. dont think a certain oil will make a certain gain because you see it; unless you key in the right factors in a controlled environment.