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12-14-2018, 11:34 AM
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#1 |
      
Drives: 2017 SS 1LE, 2016 1SS (previous) Join Date: Apr 2016
Location: Metro-Detroit
Posts: 1,863
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LS3/LS7 TB - Has this been tried?
I got curious as to what the GT4.R Camaro race car was using for an intake and TB and noted that it runs a factory LT1 manifold (although probably ported/worked) and, what appears to be, a LS7 TB (90MM).
Has anyone tried this on the LT1? I did do a search and didn't see any mention of this on the LT1. LS7 TB |
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12-14-2018, 10:17 PM
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#2 |
Drives: 2018 Audi TT RS Join Date: Jan 2014
Location: Navarre, Florida
Posts: 1,915
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That certainly looks like an old LS style throttle body. But with the LT5 throttle body working just fine for us, I think it’s a moot point.
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2018 Audi TT ▊RS
2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold |
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12-14-2018, 10:26 PM
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#3 |
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Drives: Chevrolet Camaro SS Join Date: Mar 2015
Location: Planet Earth
Posts: 721
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ThE GT4.R uses a Bosch controller , not the stock GM
It also only produces about 420 HP |
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12-15-2018, 06:31 AM
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#4 |
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Drives: 2017 Camaro 1SS Join Date: Aug 2016
Location: NH
Posts: 1,692
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Looks like an adapter plate was used. Not a direct swap.
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12-15-2018, 08:35 AM
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#5 |
    
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,798
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Why when we have the LT5 95mm available?
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
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12-15-2018, 07:50 PM
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#6 |
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Drives: 2017 SS 1LE, 2016 1SS (previous) Join Date: Apr 2016
Location: Metro-Detroit
Posts: 1,863
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Why?
1. I was just curious. 2. From my understanding, the LT5 TB, at 95mm, just pushes the stock tunes limits on MAF and logic of some transitional tables. I figure an OEM 90mm TB might be a good choice for those not wanting to A. deviate from the stock tune or B. wants to stay with the LT1 manifold. The LT1 manifold’s inlet doesn’t accommodate anything much over 87mm without porting; even with porting, to properly match to a 95mm, you get too close to the sealing area. One of the plates behind the TB is likely a restritor; the other, probably an adapter. The GT4.R also revs to up to 7k. So, less HP but more RPM than stock and they run a 90mm, none-LT1 TB. Why? Why not just run a 87mm LT1 TB (modified or not) that bolts right up? Why not use the LT5 TB? |
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