Biggest/best TB for LS6 intake??

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Oct 23, 2010 | 09:49 AM

20sickss00

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Staging Lane

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From: Lancaster, PA

Biggest/best TB for LS6 intake??

Got an LS6 for the car and had my stock tb ported/polished before i put the two on my car, first, what is the intlet size on the front of the ls6 intake? Is it worth getting an aftermarket tb to put on rather than my ported stock tb? Would i see any difference? Can I put an 85mm tb on the intake? Car is full bolt on but will be getting a set of heads and cam this winter if all goes well.

Oct 23, 2010 | 07:52 PM

garygnu

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the ls6 intake inlet is only 78mm,not worth it to get a bigger TB.consider a BBK intake and a 85mmTB.

Oct 24, 2010 | 02:31 AM

PowerShift408

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Just port the stocker, that's all you need.

Oct 24, 2010 | 09:21 AM

Damian

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Quote:

Originally Posted by PowerShift408

Just port the stocker, that's all you need.

Yep...

Oct 26, 2010 | 05:27 AM

Bo White

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Yep, +1

Oct 26, 2010 | 07:56 AM

Joshiedoom

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Yep +2

Oct 26, 2010 | 10:29 AM

Jon@Texas-Speed

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Don't waste your money on an aftermarket TB. Stick with the ported stock one and you'll be fine. Spend the money elsewhere.

Jon

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Oct 27, 2010 | 04:43 AM

Bo White

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Heres stock TB compared to ported stock TB:
7hp/7ftlbs with a stock car down to the paper filter

9hp/8ftlbs with a cam/headers car

Oct 28, 2010 | 04:24 PM

#10

rabbit320

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whats the diameter of a stock tb?

Oct 28, 2010 | 04:27 PM

#11

Mike Morris

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Quote:

Originally Posted by bo white

heres stock tb compared to ported stock tb:
7hp/7ftlbs with a stock car down to the paper filter

9hp/8ftlbs with a cam/headers car

wow!!!

Oct 28, 2010 | 04:34 PM

#12

bayer-z28

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From: N. Falmouth MA

Quote:

Originally Posted by rabbit320

whats the diameter of a stock tb?

76mm, IIRC.

I think the ported stocker/LS6 is fine for a bolt on car.. I think it's choking my h/c setup. I could prolly stand to gain about 10hp with a FAST 90 setup... Prolly 30 with that and better heads.

Oct 28, 2010 | 06:06 PM

#13

Tobias05

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another vote for a ported stocker.

Oct 29, 2010 | 05:25 AM

#14

Bo White

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Quote:

Originally Posted by rabbit320

whats the diameter of a stock tb?

75mm

Nov 7, 2010 | 01:28 AM

#15

Blk_Ws6

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From: In my Science Lab .

i never knew this , what did you guys port your tb with.

Nov 7, 2010 | 05:40 AM

#16

bene

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From: Texan in Colorado

This thread itself should be a sticky for the newbies to read.

Nov 7, 2010 | 08:58 AM

#17

Steve Gunn

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From: Roseville, Ca.

x1,000,000,000 on a ported stocker.
Do a search, there's dozens of writeups.

Nov 7, 2010 | 01:27 PM

#18

20sickss00

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Staging Lane

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From: Lancaster, PA

thanks for the replys guys, I already have my stock tb ported so i'll be sticking with that until the h/c setup

Nov 13, 2010 | 06:04 AM

#19

River City Speed

Staging Lane

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Any advantage using a FAST 78 over a ported stock TB? I have both. I was going to run the stock one but after putting the 78 on I like the bling.

My motor swap came with the ported stock TB. My rational is to use it since I have it.

Nov 13, 2010 | 06:22 AM

#20

PowerShift408

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From: Bowling Green, KY

Quote:

Originally Posted by River City Speed

Any advantage using a FAST 78 over a ported stock TB? I have both. I was going to run the stock one but after putting the 78 on I like the bling.

My motor swap came with the ported stock TB. My rational is to use it since I have it.

They are equal in power gains assuming that the stocker was properly ported. Since you have both, keep whichever one you prefer and sell the other. If you're partial to the bling, then by all means roll with it.

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Biggest/best TB for LS6 intake??

Biggest/best TB for LS6 intake??

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