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LS6 throttle body gasket work on FAST 78?

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Old 10-30-2008, 03:45 PM
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Default LS6 throttle body gasket work on FAST 78?

I bought a brand new FAST 78 that was a store display so it didn't come with any gaskets or hardware.

I need to find a throttle body gasket for the FAST 78, is it the same as an LS6 gasket?

Also does anyone know what size bolts and nuts are needed to bolt the throttle body to the intake?
Old 10-30-2008, 05:12 PM
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This is a complete list of all the hardware I bought from McMaster-Carr when I ported my FAST and switched to all stainless hardware. Unfortunately most things come x number to a box and you can't order individual bolts. If you want to send me a PM of what you need I can check if I have extra and send some out to you. You can also get the same stuff if you have a Fastenal or similar company local and save shipping, if you want stainless. Otherwise your local hardware store might have the right size bolts if you like the rusty look. My local Fastenal didn't have everything I needed.

1 2
Packs 91292A420 Metric 18-8 SS Socket Head Cap Screw M6 Thread, 110mm Length, 1mm Pitch, Packs of 5 $6.51 $13.02 today

2 1
Pack 91292A139 Metric 18-8 SS Socket Head Cap Screw M6 Thread, 30mm Length, 1mm Pitch, Packs of 50 $13.73 $13.73 today

3 1
Pack 91292A137 Metric 18-8 SS Socket Head Cap Screw M6 Thread, 20mm Length, 1mm Pitch, Packs of 25 $8.50 $8.50 today

4 1
Pack 91292A413 Metric 18-8 SS Socket Head Cap Screw M6 Thread, 60mm Length, 1mm Pitch, Packs of 25 $12.99 $12.99 today

5 1
Pack 90710A038 Metric 18-8 Stainless Stl Hex Thin (Jam) Nut M6 Size, 1mm Pitch, 10mm Width, 3.2mm Height, Packs of 100 $7.93 $7.93 today

6 1
Pack 93475A250 Metric DIN 125 18-8 SS Flat Washer M6 Screw, 6.4mm ID, 12mm OD, 1.4-1.8mm Thickness, Packs of 100 $3.14 $3.14 today

7 1
Each 92320A717 18-8 SS Unthreaded Round Spacer 5/8' OD, 1-1/2' Length, 1/4' Screw Size (Same as 92320A254) $13.76 $13.76 today


I used the following stuff (copy/pasted from list above) to fab a hold down for the map, which you won't need since you have a 'Vette (I'm guessing you'll use a MAP relocation).



7 1
Each 92320A717 18-8 SS Unthreaded Round Spacer 5/8' OD, 1-1/2' Length, 1/4' Screw Size (Same as 92320A254) $13.76 $13.76 today

4 1
Pack 91292A413 Metric 18-8 SS Socket Head Cap Screw M6 Thread, 60mm Length, 1mm Pitch, Packs of 25 $12.99 $12.99 today

I'm pretty sure I used the 30mm length bolts for the TB and the 20mm for holding the actual intake together. 110mm is for intake to head bolts, and washers/nuts are pretty self explanatory. Good luck,

Larry
Old 10-30-2008, 05:21 PM
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I assume the stock intake to head bolts can be reused?
Old 10-30-2008, 05:27 PM
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I would think so, I can't remember. I couldn't stand all that rusty crap and replaced everything. It shouldn't be a big deal to see if they work, just measure them against 110mm and if they are close then your A-OK. Or do it like I usually do and throw the intake on and make 50 trips to the hardware store. I would think your stock TB o-ring should work as well since it isn't a dramatic difference in the size of the inlet like a 90mm would be.

Larry
Old 10-30-2008, 05:46 PM
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thank you for that list larry!
Old 10-30-2008, 06:51 PM
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Originally Posted by TheSilverOne
thank you for that list larry!
Glad to help.



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