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Whats GC ? Also the mobil 0w-30 racing oil.. was it discontinued?

forgot to mention im not familiar with oil sampling or whatever is done with that but would really want to take a part in that. Whats the actual process? what do i do? The motor is assembled just waiting on intake parts and all new sensors and a new rear end. This is going to be an interesting...

Thanks for the responses everyone! As for motor details it was built using a donor lt4 motor from a 96 corvette so it sort of is an LT4 to begin with. We wanted to begin with the oem castings for trueness in ports etc. The stock ecm is good for 7200 rpm and maybe just that. we've completely...

emabrassed as i am. its been 3 years since i posted this and im asking the same question again. I had to dig to find my login info and i didn't even remember to search my old post. 3 years is a long time without my car .. forgive me

I can double check with them about clearances on the mains/rods. I believe the pump is a melling? i will double check as well. i have a canton 7qt oil pan and i honestly don't know if there were any mods to the oil passageways. I'll post what i can asap about that. As for the guages.. are the...

Hi everyone, been a long time since i've been here... I have a 93 LT4 corvette. We've almost finished assembling a very lightweight very high rpm motor (fully forged/lightweight everything.. and i mean everything !) Its a solid roller with a high volume oil pump and we should be making peak hp...

interesting, i would have thought the opposite. The low K car that drives .8 does run Real strong. I find it odd that when raced (lol) side by side the low k car easily pulls past the other... The higher mileage one does seem to eat some oil... im starting to get worried about it. I got Mobil 1...

One driven much more has 120 km, other has 52 km. appreciated.

I have 2 olsmobile auroras. 4.0L v-8 DOHC. ALways use synthetic. Would liek to know what oil to use in both. 1 is driven very short distances, one quite a bit more (mom works .8 km from homw, other one driven to school - 60k a day highway)... weather is warm now and i need to change. any...

how about filters from candian tire... motomaster or whatever... crap? i usually use the delco ones they have there. >about the K&n, i think it was just mind games. Since it has a anti-drainback valve.. i was thinking that this doesnt allow some oil to drain back down into the pan for an...

Just curious as to what filter options you guys reccomend for a chevy LT4 v8. I take it theres much better than stock out there. 1 thing i noticed last time i had a k&n, it seemed i could never get an accurate reading of how much oil was in the car... is this because of the anti-drainback valve???

just thought it was funny... i posted like 5 times but i could never find it... i kept pressing NExt>> at the bottom... i just realized it took me to the next post not next page ! now i know

Just curious as to what other types of ratings that are iportant besided HTHS #s?? Also i have 2 olds auroras, 1997 and a 1998. What oil do you reccomend for these cars? >> destroked northstar 4.0L DOHC V-8 I used synthetic last time, think it was valvoline, but id like some opinions on what...

Just curious about other measures that are used besides HTHS to determine the 'right' oil for an application. Was also curious what you guys would say about an olds Aurora engine. I have to change the oil real soon and i was wondering what you guys would reccomend. It has the de-stroked...

I see that higher is better. But at what point is it overkill? My motor will be street driven but will often have the snot revved out of it at mosport and shannonville. What kind of oils, numbers should i be looking at? > the temperatures here in toronto are usually 20'celcius + during the...

>ill be honest and say i dont know squat about the oils you guys mention. From what i knew Mobil 1 was the best and redline/royal purple were just super lube products in those late night sales commercials! When talking about Mobil 1, are you guys saying that it isnt necessary... or it isnt good...

thanxx!! got ur email, very informative. Just wanted to mention to everyone else as well that i used to use mobil 20w-50 in my car.. kind of extreme i guess. ARE never really gave me any negative attitude... just that they werent willing to build what i wanted. They spoke to me as if i knew...

Hi! Redline 10 w 40 is better than Mobil 1 for my aplication? where can i get redline from around here?? > No the motor is not ARE.. they like to deal with LS1s, i got the cold shoulder when i asked them about building a serious LT4. Its a local shoppe but boy am i glad i found them =)...

Hi everyone.. yes im new here! what a great site. I have a 1993 chevrolet corvette and have just recently rebuilt my lt4 motor. Im am confused as to which oil i should use. Details of the engine... 388 Stroker with all forged internals... and redline is 7600 rpm. Yes this is a pushrod motor...