hypothetical question

Okay, so I am thinking of building a boosted b18b non vtec, but I dont know what the best compression ratio should be. I was thinking about 8.5-9.0:1 on 5-8lbs using a jackson super-charger. Does this sound okay? Would the comp be in the right range, or should it be higher or lower? I really dont want to spend a ton of money on building a motor that wont last 200,000 miles.

Then you better hightail it out of Forced Induction right now.

Then you better hightail it out of Forced Induction right now.

It doesnt sound impossible to me. My bros b18b lasted 300,000(N/A) with no major overhauls. Only oil changes, hoses and belts, the basic tune-up stuff. So I dont think its out of the question for a boosted motor, thats only running about 5-8lbs, to last 200,000 miles.

just keep telling yourself that. :giggle:

i like how people post questions and then when given an answer they dont want to hear, the tell us that were wrong and reassure themselves that it’ll work.

FI’d cars take a more abuse than N/a cars thats for sure. Hoping that it’ll last a certain period of time is a waste. WHen you turbo/SC your car that isnt supposed to be, expect for things to break…therefore expect to spend more than you think.

I dont mean to sound like a jerk or anything but before you post, do a little reading ahead of time. Questions like these are asked and the same old answer is posted.

And again, dont expect it to last 200,000 miles. Anyone wanting to turbo/SC their engine wants more power/speed…of course their gonna beat on their engine once and awhile…which of course will tire that motor out faster

Oh and an FYI Jackson Racing s/c kits do not fit in our cars, and i don’t believe that they make a kit for the Ls motors anyway.

I personally think you should do your research and find that going turbo would be a lot easier.

i like how people post questions and then when given an answer they dont want to hear, the tell us that were wrong and reassure themselves that it’ll work.

Pfft :lol:

Did I ever say anyone was wrong? No. And how did you come up with “reassure themselves that it’ll work”? I said it doesnt sound impossible. I just wasnt ready to rule out the possibility after reading one person’s response.

Anyways, thanks for the info. Since you all seem to be sure about this, I guess Ill just think of an all motor setup. Maybe an LS with a b16 vtec head or something. I heard the b16a2 head is best for an ls-vtec. Is that true?

it can be true, or it can be false.

there are several factors which can cause it to be either.

your goals will determine the best application for you.

not sharing them will cause little to no assistance given.

of course, there are better areas than the FI forum to discuss those options. :wink: