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Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Hey guys, I'm a FI newbie, so take it easy on me. :8
I've done many motor swaps, and a couple in my CRX. Currently I've got a 11:1 fully built D16Z6 in my 1991 CRX Si that I want to get a little more power out of. It's got 75.50mm bore forged pistons, PnP head, valvetrain/cam, wire tuck to make everything look pretty, the works. All assembled by KMS. http://i110.photobucket.com/albums/n...h_DSCN2619.jpghttp://i110.photobucket.com/albums/n...h_DSCN2799.jpg I originally built it to leave it as-is, then recently decided I want a little more power, and wanted to go with some ITB's. Recently, however, I've been thinking of building a low boost turbo setup instead. I've looked over many threads, including this sticky on here, which have helped me a lot in trying to decide on what turbo to use. This being HMT,I'm sure you guys will understand my wanting to stay on a budget. Under $1000? (is this realistic?) Maybe not with quality parts that I'll NEED to invest in... Let me get my basics down, and maybe you guys can 'fill in the blanks' on stuff I'm incorrect on- Manifold- Log Manifold (or perhaps an HF if I really can't find anything) Turbo- IDK, but was thinking something around 6psi; whether it be a junkyard Volvo or w/e or an externally WG'd one. Need some help!! Should I stay small, like a .42/.48? Oil feed/drain- I believe it's www.--------------------------- that I've heard good things about. Or I could just build my own. Wastegate- Obviously depends on if I go with an IWG'ed turbo or not. BOV- havent really searched around that much with brands. I know, however, you get what you pay for! Probably a 38mm though right? Charge piping/couplers- 2" or 2.5"? Good company to go with for couplers/clamps? Intercooler- I've also heard good things about JohnnyRaceCar's FMIC's. If I can't find one of these, what is a good substitute? Since I'm running such a low PSI, will eGay FMIC's work ok for me? Fuel Supply-Already have a Walbro 255lph pump and an Earl's inline filter with -6AN SS braid hose. Injectors- DSM bluetop 450's. Tuning- CROME. Have a good friend that tunes. Is that about everything? I'm sorry guys, I know this kind of post gets asked ALL the time, but I'm afraid I just have to ask! ::) Thanks -Andrew |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
sounds like you got it figured out, except bov = whatever works. DSM metal bovs are the shiz.
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Huh, I was under the impression that the BOV was pretty important, as far as pressure creep, or perhaps I'm thinking of the WG.
Ahh hell IDK. I've got plenty of time to figure it out. ;D |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
id go to siliconeintakes.com for those silicone hoses. :y
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by digidan13
id go to siliconeintakes.com for those silicone hoses. :y
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Very good noob post, now just add porn
As far as a turbo, I certainly prefer bigger ones. I had a 42/48 and hated it...much prefered the bigger t3/t04e i ran Stealthmode makes great oil lines, and the cost is well worth it BOV -- get something cheap...the 38 mm and quality you were referring to is about wastegates. for bovs, stock ones or egay ftw charge piping you can get from anywhere. racing-solutions on here is pretty cheap intercooler-- new johnny race cars dont really exist anymore...egay ftw again Fuel supply -- through your bling in the trash and replace it with a worn out honda fuel pump and dry rotted rubber fuel line :) How good is your friend at tuning? Gonna need need to make sure hes decent with teh higher c/r |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by cberman
Very good noob post, now just add porn
As far as a turbo, I certainly prefer bigger ones. I had a 42/48 and hated it...much prefered the bigger t3/t04e i ran How good is your friend at tuning? Gonna need need to make sure hes decent with teh higher c/r Turbo- The only thing that concerns me about getting a bigger/better flowing turbo is the fact that I'm only wanting to 1. boost a 1.6l, and 2. boost to ~6psi. If I use a turbo off of.. say a 2.5l engine, wouldn't that mess with spool time? I'd like to be reaching full-spool around 3k. Any ideas on turbo selection? Well, I've been reading a little more about effective compression ratios, and given my 11:1 compression, if I boosted 6 PSI, it would be about a 15.6:1 effective ratio. Most guys that run low compression/high boost have ECR's in the mid-20's, so as far as that's looking, I should be fine. However, I don't know what it is about higher compression ratio motors/boost thats so hazardous. Even though the #'s look like it should be fine, I just know that most of the motors that are built like this don't last long. Can someone explain this to me? Links are great too! I love reading... And is it too out-of-sight to try and aim for a pretty long engine life? maybe 30k? I know tuning is gonna be the key. As far as tuning, my buddy Max Muller is a pretty decent tuner. He's been using CROME for about 4-4 1/2 years now; Obviously he'll admit he's a noob at it, but he's also been an engine builder for about that long, so he knows what to look for as far as timing and things go. IDK. I'll have to talk with him about it. he'll probably think I'm crazy for wanting to boost on my compression, but maybe with the facts he'll agree that it'll be fun! Any links/articles/write-ups would be greatly appreciated fellas. I'm trying to do as much research as I can before I start buying stuff. I'd like to be 100% confident I can do it. A few questions about the actual construction... - Whats the advantage of using T-bolts as opposed to.. well... hose clamps? - Why does the BOV not have to be quality? Thanks for the help guys! -Andrew |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
big butts rus.com does not count as porn.. We need to see pics. I could care less because I get porn by the boat load, but its basically your step closer to being a man here. Do it or be hated and outcasted by the tribe.
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Hehehehehe 15 1/2:1 compression ratio.
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by Toysrme
Hehehehehe 15 1/2:1 compression ratio.
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
The bigbuttsrus link was just a joke :P
Whats wrong with the 15.5:1 comp ratio? Am I wrong? or are you just sayin that it's low compared to the "big boosters" ?? sorry mang, ya lost me! ??? |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by Andrew
The bigbuttsrus link was just a joke :P
Whats wrong with the 15.5:1 comp ratio? Am I wrong? or are you just sayin that it's low compared to the "big boosters" ?? sorry mang, ya lost me! ??? Hey its okay... https://www.ebaumsworld.com/forumfun/stfu1.jpg |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by Andrew
The bigbuttsrus link was just a joke :P
Whats wrong with the 15.5:1 comp ratio? Am I wrong? or are you just sayin that it's low compared to the "big boosters" ?? sorry mang, ya lost me! ??? |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Good point to stop on a car religated to driving daily, and pump gas. Less you run water/alcohol injection.
gen4acclude dude... Go pork some ------- ----- jesus christ you shove your head up more man ass than hotrex. http://www.boostwerks.com/000_1301.jpg |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
you should get a t3t4 50 trim turbo that hgih compession will spool it up quite fast and it wont die out on the top end..
stealthmode performance oil line kits = Awesome great customer service too.. |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by Toysrme
Good point to stop on a car religated to driving daily, and pump gas. Less you run water/alcohol injection.
I'm just considering the idea. It's not worth my time/money to do it if I can't drive it everyday safely. |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
That's a good amount of boost to run, don't run any more on pump gas without water/alcohol injection.
English is not rocket science... lol |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
my names toysrme im a fag see he he he i play with cock and balls ken and barbie too man i need a bath i smell like dasue, jp man why you ride me like i give a ----
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Anyone else not know what a dasue is?
Must be some newfangled speak from guys that can't get ----- bawahahahahaha |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
here is a hint adam sandler
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Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
TBolts -- basically hose clamps are great at holding couplers on, especially cheap ones. So, you coan bead roll your pipes, but some spot welds on the ends, or run t-bolts, or just deal with the occasional coupler popping off
BOV--Cheap ones are fine because they acutally work. BOV's are fairly simple and pretty hard to ---- up.. Worst case scenario on an ebay bov is that you may need to cut the spring a bit to make it easier to open up. Also DSM BOV's FTW. All metal, work well, 25-50$ or free from your local junkyard Turbo -- If you want real quick spool, that 42/48 will be fine. But a bigger non chinese turbo would spool up quick as well. I'd prolly go bigger t3 (48/60 , 63/60) to suit your needs |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by cberman
Turbo -- If you want real quick spool, that 42/48 will be fine. But a bigger non chinese turbo would spool up quick as well. I'd prolly go bigger t3 (48/60 , 63/60) to suit your needs Does the SIZE of the turbo matter, when it's externally wastegated down to 6psi? Or does the only thing thats gets affected is spool time? |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by gen4acclude
here is a hint adam sandler
Dude can you not let it go that i fisted your mom in a passed life? |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by Andrew
Even though I wouldn't be boosting more than 6psi?
Does the SIZE of the turbo matter, when it's externally wastegated down to 6psi? Or does the only thing thats gets affected is spool time? Bigger turbo spools later but with more flow = more power |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Gotcha, so as long as I have the correct spring in the wastegate, I can run ANY size turbo, and only boost to 'X' psi[w/e the WG spring is]... correct?
So basically I need to find a turbo that spools quickly and flows well in the top end... right? What would be a good size for that? .50/.60 type stuff or... what? idk, i'm a complete newbie when it comes to turbo sizes :-\ |
Re: Built 11:1 Z6, thinking of going low boost instead of ITB's. PICS!
Originally Posted by Andrew
Gotcha, so as long as I have the correct spring in the wastegate, I can run ANY size turbo, and only boost to 'X' psi[w/e the WG spring is]... correct?
So basically I need to find a turbo that spools quickly and flows well in the top end... right? What would be a good size for that? .50/.60 type stuff or... what? idk, i'm a complete newbie when it comes to turbo sizes :-\ That might be a better question to ask Blaast |
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