Originally Posted by diesel dakota
(Post 11926857)
I believe it doesn't matter just like with any other single turbo. Your intercooler and rad setup is what interferes with the air conditioning and that is independent of the turbo choice.
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Originally Posted by Monkman33
(Post 11926996)
Not so. With a low mounted turbo, you have to look at the clearance of the two lines running along the frame rail to the firewall.
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1 Attachment(s)
My shorty manifold is similar to Turblown's and there is good clearance on the AC lines.
Attachment 624043 |
Originally Posted by Turblown
(Post 11893200)
As soon as the engine is back together on our roadcourse car I am doing an entire dyno comparison days( back to back tests between 7670, 8374, 9180, iwg vs ewg, shortly vs long etc). I have all of the turbos, and manifolds finished sitting here ready for it. Rotors are on their way back from balancing on the engine... |
Can't wait to see more results. Great stuff!
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Its going to be a while on this car.. So I am going to do it on another car( our 9180 FC, waiting for new clutch now )
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2 Attachment(s)
A lot of people have been asking for pump gas results in terms of boost response.
Here is an FD I have remotely tuned. It is on pump gas with a large street port. In my experience porting hurts response. The new twinport turbosmart IWG actuator is being added and this car will be going to 30psi with water injection. |
This is frustrating. I just went itb's and standalone.... now I want to make a plenum and a custom exhaust manifold so I can run one of these bad boys along with it.
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Originally Posted by Turblown
(Post 11945383)
A lot of people have been asking for pump gas results in terms of boost response.
Here is an FD I have remotely tuned. It is on pump gas with a large street port. In my experience porting hurts response. The new twinport turbosmart IWG actuator is being added and this car will be going to 30psi with water injection. |
Originally Posted by almoststockrepu
(Post 11946825)
Is the actuator really worth the extra money?
Either that or order another but higher psi Borg Warner canister. J. |
Keep in mind we got to 27 psi reliabily with medium can on Shawns 8374 iwg. This was with 7 turns of preload on the actuator however. We are waiting on the clutch to arrive and we will hop back on and thourghly test all settings and configurations.
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1 Attachment(s)
Here is another forum member's 8374 system on pump gas with a large street port. OE BW medium actuator.
Details are all in the chart, you can follow the blue trace to show where the engine was. Bottom near .01 TPS @ 2767RPMs is the start of the action. I ended the trace at the 99.60 WOT. |
Originally Posted by Turblown
(Post 11950535)
Here is another forum member's 8374 system on pump gas with a large street port. OE BW medium actuator.
Details are all in the chart, you can follow the blue trace to show where the engine was. Bottom near .01 TPS @ 2767RPMs is the start of the action. I ended the trace at the 99.60 WOT. |
I'm sold on the 8374, thank God I didn't go for the GT35 I had in mind.
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Originally Posted by almoststockrepu
(Post 11950712)
Can we see the power and torque graph
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Just curious, is the .92 A/R housing on a 7670, will that fit on a 8374? are they the same housing? or are they different? Looking to possibly swap housing on two turbo's. anyone know?
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Internal bore is different. 70 vs 74mm turbine wheels. Everything else is the same.
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Originally Posted by h_turbo
(Post 11951292)
I'm sold on the 8374, thank God I didn't go for the GT35 I had in mind.
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3 Attachment(s)
We will be updating our efr iwg turbo systems very soon!
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Hopefully we start to see some more results from these as more of them are installed. I'd really love to see if the prediction on the first page of almost 600whp is actually possible on this IWG turbo, especially since IIRC that is near the theoretical upper limit of this turbo on a rotary. I'd also like to see how the IWG responds above 30psi.
600whp on pump gas(with water injection) and this kind of response would make for a very fun street car. |
Originally Posted by rotaryfreak3
(Post 11958289)
Hopefully we start to see some more results from these as more of them are installed. I'd really love to see if the prediction on the first page of almost 600whp is actually possible on this IWG turbo, especially since IIRC that is near the theoretical upper limit of this turbo on a rotary. I'd also like to see how the IWG responds above 30psi.
600whp on pump gas(with water injection) and this kind of response would make for a very fun street car. |
Originally Posted by Narfle
(Post 11958443)
Not sure there are a lot of folks with 600hp 13b's on pump and water. I highly doubt 600 on any 8374. Maybe on the 9180. Strictly e85 if you're not into rebuilding a lot, I think.
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Impressive, but I don't know how they sleep at night.
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You realise water injection isn't some kind of voodoo magic right? There are plenty of SAE papers and numerous other academic papers on it.
In shitbox T2 block based context green brothers went to something like 750rwhp (?) on a street driven extend port 13b on water alone before going to water meth running a basic pre turbo atomiser. Thing did a lot of running too. If you are worried about engine longevity I think the oil change frequency and oil thinning of an alcohol fueled cars are of greater risk than running WI for a similar power target. |
Sure, here...
Originally Posted by rx72c
(Post 11863747)
Just made 542rwhp on 30psi and we are still only at 7k
car is on 93 Oct fuel and is blowing out spark cranes not powerful enough I'm fairly sure it'll make 600rwhp on the same boost still climbiing before it blows out spark And that's great. But, you probably couldn't pay me to push that power on a pump 13b. If you're on that tip then god speed, sir. |
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