Opinion on Turbo Setup

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Old Oct 11, 2015 | 10:21 AM
  #26  
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Default Re: Opinion on Turbo Setup

Originally Posted by TheShodan
Only to a point. After a while (for those that have already gone that far). For a street car, it's a law of diminishing returns. Once I go over the 500whp mark on the street (not counting "highway runs"), I found 300-400whp was the better in-between over time. The "boost bug" only hits for so long, then it just takes more work to get more out of it. More complicated systems cause for more complicated maintenance.

It's only the truly YOUNG that worry about the "boost bug". Those who've done it longer actually go back to the smaller setups because they were actually more fun and more reliable.
Oh, I agree 100%. It's the reason why I'm currently building an EG. Just to have a fun all-round street car with about 300-350 WHP. If that ever gets boring, I'd just drive the 600 WHP Integra
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Old Oct 11, 2015 | 12:29 PM
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Default Re: Opinion on Turbo Setup

Originally Posted by TheShodan
Only to a point. After a while (for those that have already gone that far). For a street car, it's a law of diminishing returns. Once I go over the 500whp mark on the street (not counting "highway runs"), I found 300-400whp was the better in-between over time. The "boost bug" only hits for so long, then it just takes more work to get more out of it. More complicated systems cause for more complicated maintenance.

It's only the truly YOUNG that worry about the "boost bug". Those who've done it longer actually go back to the smaller setups because they were actually more fun and more reliable.

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Old Oct 11, 2015 | 03:11 PM
  #28  
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Default Re: Opinion on Turbo Setup

Originally Posted by TheShodan
Only to a point. After a while (for those that have already gone that far). For a street car, it's a law of diminishing returns. Once I go over the 500whp mark on the street (not counting "highway runs"), I found 300-400whp was the better in-between over time. The "boost bug" only hits for so long, then it just takes more work to get more out of it. More complicated systems cause for more complicated maintenance.

It's only the truly YOUNG that worry about the "boost bug". Those who've done it longer actually go back to the smaller setups because they were actually more fun and more reliable.
I'm gonna have to 3rd this statement lol. You speak truth.
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Old Dec 7, 2015 | 10:25 AM
  #29  
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Default Re: Opinion on Turbo Setup

Just a little update. The car is running great still and seems to have a good powerband where I don't get into too much traction problems. Got a little over 1000 miles on the engine now and the motor is broken in now. It's pretty nuts how large of a difference it is between VTEC and NON-VTEC cam lobes.

I'm really considering upping the boost and shooting for 350hp and getting my BBG setup while it's getting tuned. I have been contemplating purchasing a methanol kit but don't really know if it would really be necessary or not for that power goal.

Basically, I'm on the fence about swapping in a shorter gear transmission (GS-R) over my LS or going up in boost a little to get some more power out of it and keeping the LS transmission.

I read a few threads already which says the difference between long and short gears but would it be worth simply upping power via boost or swapping in a GS-R to get fastest acceleration with the same power output utilizing shorter gears?

Seems the general conclusion is that if you have a lot of horsepower you will want to stick it out with the LS but if you are making moderate power the shorter gears will work nicely for street applications. But, what is considered a lot of HP? I'm reading threads from 2005 and is why I'm updating this thread and fishing for more updated information.

Thanks

Last edited by PR8urVtec; Dec 7, 2015 at 10:45 AM.
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Old Dec 7, 2015 | 12:25 PM
  #30  
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Default Re: Opinion on Turbo Setup

1st is worthless no matter what the power, second is usually struggling for traction at 400+, and with bbg, as tonythetiger put it you should hook no matter what the power. Depends on how you drive.. Gsr is going to have way better 3-5 for boost, ls 3-5 is pretty long.

I think you should go for more power and a gsr, it's better for almost all the street driving you'll be into at your power.
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Old Dec 7, 2015 | 12:50 PM
  #31  
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Default

Originally Posted by PR8urVtec
Just a little update. The car is running great still and seems to have a good powerband where I don't get into too much traction problems. Got a little over 1000 miles on the engine now and the motor is broken in now. It's pretty nuts how large of a difference it is between VTEC and NON-VTEC cam lobes.

I'm really considering upping the boost and shooting for 350hp and getting my BBG setup while it's getting tuned. I have been contemplating purchasing a methanol kit but don't really know if it would really be necessary or not for that power goal.

Basically, I'm on the fence about swapping in a shorter gear transmission (GS-R) over my LS or going up in boost a little to get some more power out of it and keeping the LS transmission.

I read a few threads already which says the difference between long and short gears but would it be worth simply upping power via boost or swapping in a GS-R to get fastest acceleration with the same power output utilizing shorter gears?

Seems the general conclusion is that if you have a lot of horsepower you will want to stick it out with the LS but if you are making moderate power the shorter gears will work nicely for street applications. But, what is considered a lot of HP? I'm reading threads from 2005 and is why I'm updating this thread and fishing for more updated information.

Thanks
Def swap in a gsr trans first


Night and day difference

Swap in the gsr trans

Do ettt





















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Old Dec 7, 2015 | 01:31 PM
  #32  
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Default Re: Opinion on Turbo Setup

Ha Ha what an excellent GIF to that comment.
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Old Dec 7, 2015 | 02:14 PM
  #33  
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Default Re: Opinion on Turbo Setup

Agree. LS trans just kills fun
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Old Dec 7, 2015 | 02:49 PM
  #34  
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Default Re: Opinion on Turbo Setup

Nice. I'm leaning towards the new transmission. My brother has a gsr w/ type r fd and itr LSD he will sell for a good price. Probably going to go that route.
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Old Dec 7, 2015 | 03:01 PM
  #35  
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Default Re: Opinion on Turbo Setup

Originally Posted by boosted94gsr
I'm gonna have to 3rd this statement lol. You speak truth.
4th here. just picked up my block from the machine shop today, with a 350whp goal and hoping to actually drive the thing a lot more.

gsr trans will be good for your motor id jump on it. the ls gears get long especially into 4th gear
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Old Apr 27, 2016 | 10:12 AM
  #36  
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Default Re: Opinion on Turbo Setup

Update.

I had to do some work to get the transmission together but overall I'm happy with the outcome. Had to swap the guts from the cable case back to a hydraulic and also get a little creative with the shims to get the correct preload on the diff.

I have since been street tuning my car myself b/c the ignition map just wasn't even touched on my low cam and high cam was barley touched. I understand that there is not a whole lot to touch on the high cam but the low cam was left at a stock ITR ignition map. It just feels like the car should be making more power than what it does. Out of boost the motor doesn't feel as responsive as it should. I'm thinking that the tune is to conservative for what I have.

I have decided that I will do this process myself just like I have done with the rest of my car. Basically going to datalog using my wideband and also read my spark plugs to make sure timing is in a safe zone. I built a det can using the copper pipe method.

I have so far turned the boost up to 12psi and trying to dial in everything.
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Old Apr 27, 2016 | 10:22 AM
  #37  
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Default Re: Opinion on Turbo Setup

The man is taking control of his own destiny... Kudos..
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Old Apr 27, 2016 | 10:31 AM
  #38  
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Default Re: Opinion on Turbo Setup

Thank you kind sir.
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Old Apr 30, 2016 | 12:00 AM
  #39  
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Default Re: Opinion on Turbo Setup

I dont have any technical knowledge to share or input but just wanted to know how the fack Shodan knows what he knows just by pics lol. Good info in here. Good luck with the build!
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Old Apr 30, 2016 | 07:20 AM
  #40  
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Default Re: Opinion on Turbo Setup

Originally Posted by zerovandez
I dont have any technical knowledge to share or input but just wanted to know how the fack Shodan knows what he knows just by pics lol. Good info in here. Good luck with the build!
The only way I know this stuff, is simply just being around it for so many years for the Sport Compact and V8 history of forced induction. After a while, it all just comes back to memory.

I think I'm one of the few people I know that still keeps catalogs of books of products and setups from about 1994. Many are in archived boxes, but it was the age before "googling" everything hoping to find images. If I use them often enough, I scan the entire catalog into my private cloud server for quick access.

In addition, I almost have an eidetic memory when it comes to part numbers and parts. It was from when I worked with an automotive distribution company. I had created one of the 1st databases with an old Access program and Excel spreadsheet back in the day, but you had to manually enter the data. It's just one of those jobs that you don't forget. Anytime I call a company about a product question, I always state the SKU/serial number first before the description to help them out with their query. Call me a nerd, but that's how I got to know the "what's what"..
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Old May 3, 2016 | 11:37 PM
  #41  
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Default Re: Opinion on Turbo Setup

Knowledge is awesome, man. You have a ton of it!

Anyhow, inwonder how this build is going for op...
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Old Jul 13, 2016 | 05:02 AM
  #42  
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Default Re: Opinion on Turbo Setup

Just wanted to keep this thread updated and show my progress.

I street tuned the car on 15psi and still on pump gas. My injectors are maxed out so I will either bump base fuel pressure and retune the fuel maps or just get some 1200cc injectors now b/c E85 is about to be available down the street from me (finally). When I get setup for E85 I will turn up the boost to 18 and leave it there for this build. I think I will be getting the turbo rebuilt soon and make a 3" downpipe. I will get getting some better tires this weekend and I can start setting up my launches.

Did some pulls with a couple of my friends last night. Both of these cars walked me on 9.5psi and 300hp

Camaro 400/381
Evo 10 w/ 6262 turbo @ 27psi and meth.

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Old Jul 13, 2016 | 07:39 AM
  #43  
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Default Re: Opinion on Turbo Setup

Nice update and props on tuning it yourself

Why only 9psi for those runs? Just to keep it fair lol. Man I wish E85 was available where I lived.
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Old Jul 13, 2016 | 09:15 AM
  #44  
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Default Re: Opinion on Turbo Setup

I was only tuned to 9.5psi originally and have now tuned it to 15psi. At 9psi I couldn't hang with them. On 15 It was clearly a better race.

I'm really hoping this RaceTrac has E85. The owner said he was going to have it.
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