Have you heard of anyone with a turboed JDM ITR using stock internals? What's the max psi and the safest psi you can run on these types of motor? Can you guys also give me some proven HP figures? Lastly, is it worth it?
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first, you should post this in the turbo forum, as you will get more knowledgeable replies.
second, you should do your research on turbo setups, then you will realize what a silly question this is. it is totally dependent on what kind of fuel management you use, what size turbocharger, intercooling, etc. etc. etc........ there are so many variables that no one can just say "you can't boost more than 8.6psi, hands down, cut & dry"
sorry, i know that's not the answer you want, but its just not a question that can be answered by a few short posts!! so read till your eyes are bloodshot!
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live in or around winnipeg? check this thread...
www.superhonda.com/forum/showthread.php?s=&threadid=145420
In my personal opinion, it is dumb to boost a motor with 11.0:1 compression AND non-strengthened internals....
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'98 Integra LS - non-VTEC autocross / daily driver (aka Track-Tested / Mother Approved) Daily-driven 87 octane Porsche destroyer
Latest Auto-X: 5th overall in class (7th/12 Day 1, 2nd Day 2). 10th/92 overall Day 2.
Complete mod list and updated race results here: http://www.freewebs.com/white98ls - don't forget to sign the guestbook! Autocrossing for a day is the best $25 you can spend
Originally posted by itr206 boosted type R's are for Homo's:
See though yours is built up right, so it's definitely all good. It's boosting on 11:1 compression and not building up the internals that strikes me as pretty damn stupid. You're still a fag though. :eek:
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'98 Integra LS - non-VTEC autocross / daily driver (aka Track-Tested / Mother Approved) Daily-driven 87 octane Porsche destroyer
Latest Auto-X: 5th overall in class (7th/12 Day 1, 2nd Day 2). 10th/92 overall Day 2.
Complete mod list and updated race results here: http://www.freewebs.com/white98ls - don't forget to sign the guestbook! Autocrossing for a day is the best $25 you can spend
Originally posted by White98LS See though yours is built up right, so it's definitely all good. It's boosting on 11:1 compression and not building up the internals that strikes me as pretty damn stupid. You're still a fag though. :eek:
believe it or not , i have seen it done a few times, it will run great as long as you know how to tune out detonation and /or run higher octane, i run 94 religiously on the street even when not boosted.
__________________ FORMERLY ITR206
Life begins at 2bar. . . . . .
07 Solar Orange 350Z 91 Supra Turbo Targa-
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Ok I don't wanna start any fights here, but seriously, why boost an expensive high-CR engine on stock internals when you can boost a low-CR engine for much cheaper?
To me, boosting an ITR engine on stock internals is dumb for a few reasons:
1. The freakin' swap costs over $4k usually. As opposed to an LS swap which is maybe $1k and comes with more turbo-friendly gearing and much lower compression. And if you blow the thing up, that's another extra few grand you get to spend.
2. 11:1 simply is not good for boost. Sure, it can be worked with and made decent with a lot of tuning, but there's just less potential than a low-CR engine. Why do you think factory turbo cars have 8-9:1 C/R's?? Why do you think all the badass, high-hp 11-second turbo Hondas have low compression?? It's certainly not worth spending many times MORE money to get higher compression for turbo....
3. VTEC is great for all-motor high-rpm hp but isn't as big of an advantage with boost. Neither is an 8400-rpm redline - useful but not incredibly important unless you're going for truly huge numbers in a mainly-for-the-strip car.
4. For the cost of a stock ITR motor swap, you could have a B18B swap, resleeved and fully built bottom end, which is much MUCH stronger, so you can run real boost and not this 5,6,7psi BS.
I'm not trying to start anything here, I'm just giving some simple reasoning as to why a turbo JDM ITR motor wouldn't be the best idea on stock internals. You can tell me that it can be made to work and work well all you want - I'm just saying it's not the BEST way to go at all. Unless you build it up the right way and strengthen the bottom end - I'm not even a fan of turbo LS on stock internals.... or turbo FWD's for that matter, but that's just personal opinion and people should do what they like.
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'98 Integra LS - non-VTEC autocross / daily driver (aka Track-Tested / Mother Approved) Daily-driven 87 octane Porsche destroyer
Latest Auto-X: 5th overall in class (7th/12 Day 1, 2nd Day 2). 10th/92 overall Day 2.
Complete mod list and updated race results here: http://www.freewebs.com/white98ls - don't forget to sign the guestbook! Autocrossing for a day is the best $25 you can spend
Originally posted by White98LS Ok I don't wanna start any fights here, but seriously, why boost an expensive high-CR engine on stock internals when you can boost a low-CR engine for much cheaper?
To me, boosting an ITR engine on stock internals is dumb for a few reasons:
1. The freakin' swap costs over $4k usually. As opposed to an LS swap which is maybe $1k and comes with more turbo-friendly gearing and much lower compression. And if you blow the thing up, that's another extra few grand you get to spend.
2. 11:1 simply is not good for boost. Sure, it can be worked with and made decent with a lot of tuning, but there's just less potential than a low-CR engine. Why do you think factory turbo cars have 8-9:1 C/R's?? Why do you think all the badass, high-hp 11-second turbo Hondas have low compression?? It's certainly not worth spending many times MORE money to get higher compression for turbo....
3. VTEC is great for all-motor high-rpm hp but isn't as big of an advantage with boost. Neither is an 8400-rpm redline - useful but not incredibly important unless you're going for truly huge numbers in a mainly-for-the-strip car.
4. For the cost of a stock ITR motor swap, you could have a B18B swap, resleeved and fully built bottom end, which is much MUCH stronger, so you can run real boost and not this 5,6,7psi BS.
I'm not trying to start anything here, I'm just giving some simple reasoning as to why a turbo JDM ITR motor wouldn't be the best idea on stock internals. You can tell me that it can be made to work and work well all you want - I'm just saying it's not the BEST way to go at all. Unless you build it up the right way and strengthen the bottom end - I'm not even a fan of turbo LS on stock internals.... or turbo FWD's for that matter, but that's just personal opinion and people should do what they like.
your an idiot and nothing you said is true whatso ever.
its been proved over and over that for drag racing shorter gearing is better.
i also happen to know 90% of the pro honda racers out there and guess what . . . they use 10:1 compression if not a little higher with boost and nitrous making anywhere from 700whp to 1k+ in hondas.
yes if your gonna do a swap thenb i would go with a diff motor. but in my case i already had an R . so fuggit . im not gonna sell my car just so i can boost a lower model integra
all this bullshit info from someone who prob cant even change their oil. this site really makes me laugh sometimes.
__________________ FORMERLY ITR206
Life begins at 2bar. . . . . .
07 Solar Orange 350Z 91 Supra Turbo Targa-
1JZGTE 508WHP and 501tq SOLD 06 Pathfinder
How many times did I say "stock internals?" Yes believe it or not I REALIZE that you itr206 have an R, and therefore you did a turbo on that. That's fine and makes sense, how many times do I have to I say that? You don't have to get all offended and frankly disrespectful. And as a matter of fact I've installed every single part on my car with no problems.
All of the very fast street Hondas (and other boosted cars) I have seen have run "lower compression," as in lower than 11:1, which is exactly what you said - 10:1 qualifies as lower than 11.... I said 8-9:1 for FACTORY turbo cars. Don't confuse the facts that I stated please.
I know that shorter gearing puts more mechanical advantage to the ground. Since I don't have a turbo car, I can only go off of what people say - and I know several people who have had LS and ITR (JDM and USDM) trannies on their turbo LS's and liked the LS trannies much more (except for the lack of an LSD) because the turbo spooled faster with the longer gearing. They've said that by the time they reach full boost, it's time to shift already because of the short gearing. Maybe they're all idiots (like me , but that's what I have to go off of, I usually trust those with first-hand experience.
I have always respected your knowledge very much, but if you're going to stoop to calling people idiots and making assumptions about their skills, then I hate to say it but we can do without that.
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'98 Integra LS - non-VTEC autocross / daily driver (aka Track-Tested / Mother Approved) Daily-driven 87 octane Porsche destroyer
Latest Auto-X: 5th overall in class (7th/12 Day 1, 2nd Day 2). 10th/92 overall Day 2.
Complete mod list and updated race results here: http://www.freewebs.com/white98ls - don't forget to sign the guestbook! Autocrossing for a day is the best $25 you can spend
i have experience too , you think my R is the only car i built?
your wrong .
now with the LS tranny they built spool qwuicker becuase of the longer gearing ? can you explain how that works to me ? thew quicker the revs come up the better, like i said if your drag racing shorter gearing will always be better. if it wasnt everyone that drag races would be using ls trannies wouldnt they ? they dont . ITR, SI , GSR trannies are most used for a reason . then they just drop LSD's in them .
I just get pissed becuase people come on here for help and they get the wrong info from people that here from a friend of a freind that has no clue
plain and simple , shorter gears for acceleration
longer gears for top speed.
you pick what you want
as far as the compression dont even get me started on that. either eway will get you power, but one way youll need more boost then the other to get even close to eachother.
__________________ FORMERLY ITR206
Life begins at 2bar. . . . . .
07 Solar Orange 350Z 91 Supra Turbo Targa-
1JZGTE 508WHP and 501tq SOLD 06 Pathfinder
Autocrossing for a day is the best $25 you can spend
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, but that's what I have to go off of, I usually trust those with first-hand experience.
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