Pontiac - Boost Turbo, supercharged, Nitrous, EFI & other Power Adders discussed here.

          
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  #21  
Old 06-13-2025, 12:02 PM
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Quote:
Originally Posted by charlie66 View Post
No problem, just double check on what you're getting before you buy.

LMK how you make out ..
What do you think about these? Same vendor. I noticed in the description that it has a flank milled wheel vs point milled. Not sure how big of a deal that is? I sent the vendor a message asking if they have them in a mirrored configuration

https://ebay.us/m/yRBhgc
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  #22  
Old 06-13-2025, 02:15 PM
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What do you think about these? Same vendor. I noticed in the description that it has a flank milled wheel vs point milled. Not sure how big of a deal that is? I sent the vendor a message asking if they have them in a mirrored configuration

https://ebay.us/m/yRBhgc
I assume the turbine housing would be too large with these?

A mirrored GTX3584RS billet point milled twins configuration with 1.01 V-band

https://ebay.us/m/wlI3qu

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Holley Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/
  #23  
Old 06-14-2025, 06:22 AM
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Quote:
Originally Posted by R 70 Judge View Post
What do you think about these? Same vendor. I noticed in the description that it has a flank milled wheel vs point milled. Not sure how big of a deal that is? I sent the vendor a message asking if they have them in a mirrored configuration

https://ebay.us/m/yRBhgc
It could give a better finish surface, but I wouldn't think that it would be anything that would be noticeable performance wise imo.

What's making you look at these over what I sent you?

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Old 06-14-2025, 06:29 AM
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Originally Posted by R 70 Judge View Post
I assume the turbine housing would be too large with these?

A mirrored GTX3584RS billet point milled twins configuration with 1.01 V-band

https://ebay.us/m/wlI3qu
The 101 would spool slower. I don't know how much slower. But I'm sure it would be ok. You would have more potential top end hoof. Either one will be a lot of power. I personally would stick with the smaller A/R.

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Old 06-14-2025, 12:39 PM
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It could give a better finish surface, but I wouldn't think that it would be anything that would be noticeable performance wise imo.

What's making you look at these over what I sent you?
Only looking at these for the simplicity of a v-band vs a T4 mount. If I can get the guy to package the turbos you suggested with a v-band exhaust housing, I’m buying them. If he can’t I’ll probably just buy the T4 version.

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  #26  
Old 06-14-2025, 02:15 PM
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Only looking at these for the simplicity of a v-band vs a T4 mount. If I can get the guy to package the turbos you suggested with a v-band exhaust housing, I’m buying them. If he can’t I’ll probably just buy the T4 version.
Oh, I see. I wasn't following what you meant. Yeah, having the v-band there gives you a lot of universal options .. I've never had one set up like that before. Would be a lot easier to take it off and on that's for sure .. Hopefully he can get you that option ..

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Old 06-14-2025, 05:13 PM
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https://www.ebay.com/itm/18650217493...J0TV5CA4DWMDN0

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Old 06-17-2025, 07:00 PM
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Is that both turbos for the 999 price ?

  #29  
Old 06-17-2025, 10:25 PM
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Is that both turbos for the 999 price ?
I think it is. I messaged the seller but haven't gotten a response yet...

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  #30  
Old 06-18-2025, 12:46 AM
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The seller said yes its 2 turbos for that price

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  #31  
Old 06-19-2025, 04:33 PM
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Originally Posted by R 70 Judge View Post
Only looking at these for the simplicity of a v-band vs a T4 mount. If I can get the guy to package the turbos you suggested with a v-band exhaust housing, I’m buying them. If he can’t I’ll probably just buy the T4 version.
Did you pull the trigger yet?

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  #32  
Old 06-19-2025, 06:28 PM
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Originally Posted by charlie66 View Post
Did you pull the trigger yet?
I was actually just about to. Are you trying to stop me or encourage me?

While looking I just saw these GTX3582rs turbos. From what I can tell they are very similar to the GTX3584rs but are a little bit smaller and have a 10 blade turbine instead of a 9 blade. Not sure what you think of the different turbine? Probably splitting hairs at this point since they are pretty close in size.

Opinion?

https://ebay.us/m/hsW0Dy

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  #33  
Old 06-20-2025, 12:58 PM
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From what I've read these compressor wheels are quite a bit larger than a normal gen 1 3582.

-Fit Vehicle: Universal turbo for performance use, racing car etc.
-Fit engine displacement 4-10L Up to 1700HP

GEN2 Point Milled Compressor Wheel with 65.7mm Inducer 82.6mm Exducer
GEN2 Anti-Surged Compressor Cover with 0.72A/R, 4" Inlet and 2.5" Outlet
Ceramic Dual Ball Bearing System Turbo
GEN2 10 Blades Turbine Wheel with 62.3mm Inducer 68mm Exducer
Turbine Housing: A/R 0.83, Dual Vband, 1.01 is also available.

I may just go with the GTX3584RS's so I have some room to grow... this is a harder decision than I thought it would be. I don't want to make a mistake

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Last edited by R 70 Judge; 06-20-2025 at 01:04 PM.
  #34  
Old 06-20-2025, 02:13 PM
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Quote:
Originally Posted by R 70 Judge View Post
I was actually just about to. Are you trying to stop me or encourage me?

While looking I just saw these GTX3582rs turbos. From what I can tell they are very similar to the GTX3584rs but are a little bit smaller and have a 10 blade turbine instead of a 9 blade. Not sure what you think of the different turbine? Probably splitting hairs at this point since they are pretty close in size.

Opinion?

https://ebay.us/m/hsW0Dy
I'm just checking in, lol

The 84 turbine will make more power

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  #35  
Old 06-20-2025, 02:15 PM
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Quote:
Originally Posted by R 70 Judge View Post
From what I've read these compressor wheels are quite a bit larger than a normal gen 1 3582.

-Fit Vehicle: Universal turbo for performance use, racing car etc.
-Fit engine displacement 4-10L Up to 1700HP

GEN2 Point Milled Compressor Wheel with 65.7mm Inducer 82.6mm Exducer
GEN2 Anti-Surged Compressor Cover with 0.72A/R, 4" Inlet and 2.5" Outlet
Ceramic Dual Ball Bearing System Turbo
GEN2 10 Blades Turbine Wheel with 62.3mm Inducer 68mm Exducer
Turbine Housing: A/R 0.83, Dual Vband, 1.01 is also available.

I may just go with the GTX3584RS's so I have some room to grow... this is a harder decision than I thought it would be. I don't want to make a mistake
Take your time, there's no rush. I would contact the seller just to make sure on what you are actually getting ....

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  #36  
Old 11-24-2025, 09:53 PM
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Stainless headers is having 20% off from now though Black Friday if anyone was thinking of purchasing headers.

https://www.stainlessheaders.com/i-3...tegory:1390481

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  #37  
Old 12-10-2025, 08:17 AM
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im finally mocking my car up. I did go with the 3'' upgrade, however, with atleast an IA2, the casting lugs need to be ground down to allow the manifold to bolt to the head on each side. Ill probably start a build thread in the next few weeks, now that the turbo is here and the car is on the lift.

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  #38  
Old 12-10-2025, 04:56 PM
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what turbo did you get?

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  #39  
Old 12-10-2025, 07:27 PM
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92/103 1.58 ar vsr should get it to the chassis cert

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1968 firebird cameo white on red 400 4 speed
1969 carousel red firebird 455, richmond 5 speed
1964 gto pump gas, 505 IA2 EHeads, EFI, 92 mm turbo ice cream getter in process now....
1970 lemans hardtop, gto clone Atoll Blue
1972 Maverick powered by 2004 gto ls1 and t56 6 speed, 8.8, fox strut front end, wifes car
  #40  
Old 12-10-2025, 10:18 PM
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nice, good luck with your build. Ill look for your build thread to follow along.

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