ive been using 10w30 since (recommended) and ive been told it will good and be better if i swith to 15w50 with this mods...

please help. thanks


Full-Race GT3076R
Cosworth 272 Cams
Full-Race race exhaust manifold
Full-Race 3' downpipe
Full-Race O2 housing
Greddy full titanium exhaust
Denso 720cc fuel injectors
Nisei race intercooler
Nisei lower intercooler piping
Forge Type RS valve w/ recirculating kit
arc intake
HPF upper intercooler piping kit
HPF mini battery and mounting kit
Sun Hyper Voltage GT System Kit
Sun Hyper Force System
Walboro 255 fuel pump
SS clutch line
Spal racing fan
Exedy Stage 2 Cerametallic Clutch Kit
ACT light flywheel

 

Depends. How many short trips do you do? Thicker oil is of course harder to start when the engine is cold obviously. IMHO do you have issues with your oil temps or burning it? I would say leave it but that's my .02. I just know that you still have a winter up there in WA your not in a place where its hot 24/7/365. My car had a hell of a time starting here in Utah when it had a 5w30 in it for the winter. It was also -45 at night though stupid Utah lol.

 

No. That oil is too thick for the stock internals and will cause engine temps to rise. It won't damage anything though.

 

i put about 5000 miles a year (not my dd) when I stop, the car idles really low which makes the oil temp drop super low, and i dont think it burns oil. im now live in socal now im in the place that summer all the time 90/ 100+ hot .

thanks for ur response

 

+1

Stay with 0/5/10/w30 untill you build your motor. I use Omsoil SSO 0/30and it works Great. Better then Mobile 1 and Eneos.

I will be going to 15/50 once it is built.

 

Because of the tight clearences in the stock motor I would ONLY do 10w-30. If you get the motor built ask whoever builds it what oil you should use. Not every builder is going to have the same specs.

 

thank you guys for all the help i guees i have to build it now lol

ill stay with 10w30

 

I use Mobile 0W40, and i've been losing oil every 1000miles since summer started, I checked for leaks and everything but couldn't find anything, also did a compression test and everything seem to be find.

My car has an HTA35R with a stock block, so should I change to 10W30??