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Thread: 04 gto
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02-04-2009, 01:39 PM #1
04 gto
I am buying a LS6 Intake off of a 04 GTO and I can get the Throttle Body real cheep also. My question is Is it bigger than my stock one on my 98 Formula and will it work.
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02-04-2009, 02:59 PM #2
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02-05-2009, 02:16 AM #3
I've read and been told we have a 75mm, 78mm , and 80mm tb's what size it really is, I'm not sure.
also been told the gto tb is slightly bigger and been told its the same size....so I'm waiting to hear what a pro will say lol
I do know there are three different throttle cam sizes which can be easily seen by the color of the spring
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02-05-2009, 12:00 PM #4
Thanks for the help I will just keep my stocker for now.
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02-05-2009, 12:02 PM #5
Thanks for the help I will just keep my stock TB for now.
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02-05-2009, 05:01 PM #6
that's right, I forgot about the 05/06 being a 90mm (Ls2 intake).
laid one of my friends ls2 intake next to my ls6 intake on the bench and the ls2 is a massive unit. it can be swaped to the ls1, but you need adapter "O" rings for the injectors, ls2 fuel rail, fuel rail adapter, MAP relocation(moves it to the front), and need to fab a bracket to mount a throttle cable (05/06 is drive by wire)
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02-05-2009, 05:29 PM #7
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02-05-2009, 05:50 PM #8
I've read about the shoot out, but what about a well built 5,7?
Bill picked up his ls2 intake for alittle bit of nothing. its a 3 piece design (kind of like the fast) upper and lower sections are vibration welded together with a center section sandwiched between them.
looking down inside of it, it has lots of jagged/ unmatched joints (vibration welds) in the runners and air leak gaps. if the runners are cleaned up (ground smooth) and gaps epoxyed and smoothed it should really help it flow a lot better.
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02-05-2009, 06:35 PM #9
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02-06-2009, 02:54 AM #10
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02-06-2009, 06:09 AM #11
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02-06-2009, 07:02 AM #12
ok, makes sense. I know there are lots of short falls and inherent problems with the ls2 in stock form......but I'd like to see one worked over against a stock comparo.......just some mixedup fiberglass resin poured in the bottom of the ls2 to give it a flat space should make a big difference in its whe characterists......good or bad I don't know
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02-07-2009, 05:23 PM #13
- Join Date
- Mar 2008
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- OHIO"S only 9 second GTO
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Phantom Black Metalic- 2005 GTO
mods: custom built twins, built 408 w/l92 stock GM heads,GM matching intake,drag bags,frame ties,aluminum drive shaft, performabuilt 4l80e,Yank converter,ohios fastest and quickest 04-06 GTO 9.52 at 144mph. 1.50 60ft on stock rear end and shafts/suspension,on drag radials.
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02-07-2009, 08:40 PM #14
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02-08-2009, 04:50 AM #15
The Weiand Street Warrior was first shown at SEMA in the fall of 2007 with a planned production date in March of 2008. ....zero have been produced to date. ...and even then Weiands own data said the production Fast already produced better numbers above 6200 rpm. So a ported Fast im guessing beats it across the board and thats why its not being produced or that there are other issues with it.
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02-08-2009, 05:44 AM #16
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02-08-2009, 05:51 AM #17
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Phantom Black Metalic- 2005 GTO
If I were going to run a plastic intake,id go with the ls6 and put the 90mm throttle end on it someone was producing them or get one off a ls6 vette with a 90mmTB and just for the record 14hp you will never feel or miss..ive had the fast intake and for the price,its not worth the hassel.
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02-08-2009, 05:58 AM #18
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Phantom Black Metalic- 2005 GTO
well it is dyno proven facts..buddie its a well known publisher with over 135 PROVEN dyno test for the GM ls1 through the ls7 id say they know alot more then most of us,as they have the dyno facts to back up and have published the real facts,do you have some better light to shed there Mr williams? if so im all ears,I realise you are the SE ohio premier consultant on the ls motors even though you run in the mid 12 index.
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02-08-2009, 06:01 AM #19
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- Mar 2008
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Phantom Black Metalic- 2005 GTO
here is my intake of choice and its GM far cheeper then the fast.
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02-08-2009, 06:24 AM #20
I think that is what b20 is using that on his car. Saw it on last summer at the Summit Racing store show. If I remember right he had to do some grinding on it to get it to fit.
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