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Carb Intake bolt lengths

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Old 03-13-2010, 10:41 AM
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Default Carb Intake bolt lengths

I have a gmpp carb intake I got used and it didnt have the bolts included. I have been trying to find what size and length of bolts I need? I think its M6x?? I appreciate the input.
Old 03-13-2010, 11:15 AM
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Regular carb studs should be fine. Just depends in your elbow or throttle body or if you've got a spacer in there.
Old 03-13-2010, 11:18 AM
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I need the bolts to bolt the intake to the heads
Old 03-13-2010, 01:16 PM
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oh... nevermind. I'm awaiting delivery of my bolts for this EXACT same thing (GMPP intake bolts). If you wait a few days, I can measure them for you
Old 03-13-2010, 08:12 PM
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Default ?

I was going to post the same question. I almost bought arp bolts but heard they dont fit on carb manifolds.
Old 03-13-2010, 08:31 PM
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Well, while we wait for either an answer or my bolts to show up. . . what TB are you all using? Elbow with stock or a 4150 style? Pics ???

Old 03-13-2010, 10:16 PM
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Default efi?

EFI is not for me. 750 double pumper on a nascar airbox is the route I am taking. Just really dont want to deal with all the wiring.
Old 03-14-2010, 12:00 AM
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Where did u order the bolts and price?

I'm running a elbow and nick williams tb
Old 03-14-2010, 05:49 AM
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right now, I've got the original bolts coming just didn't get shipped initally w/the intake... Will end up ordering ARPs when I get them after measureing... Will let you know #s when I order and confirm proper sizes...
Old 03-17-2010, 04:08 AM
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Well, found out looking around today what the Edelbrock intake uses... shouldn't be too far different...

and if I'm right, the M6x1.00 x 50mm is the ARP 670-1007 which runs in 5-bolt packs (need 2 obviously) at about 16.95 with Summit Racing and 13.99 with Jegs (btw, this is the 12-point black oxide bolts...
Attached Thumbnails Carb Intake bolt lengths-bolts.jpg   Carb Intake bolt lengths-bolts2.jpg  

Last edited by Duffster; 03-17-2010 at 04:15 AM.
Old 03-17-2010, 06:54 AM
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Well crap. . . I did the research while at work and now I am looking at my intake to my left side. . . . 2" (50mm) might be a bit short I'll figure it out easy now.

I'll drop a 2" bolt down one of the holes... see how much sticks out.
I'll pull one of my stock bolts out of the front of the LS6 and see how much extra there is based on the LS6 intake. The extra from the LS6 will be added to the used on the GMPP and thats our length....... BRB...
Old 03-17-2010, 07:08 AM
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Alright. Extremely scientific testing, precision instruments and a weak-assed flashlight help me conclude I am positive about the 50mm being the correct length. I'm calling Jegs
Old 03-17-2010, 05:43 PM
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m6x50mm?
Old 03-17-2010, 07:10 PM
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M6x1.00 x 50mm
Old 03-18-2010, 08:50 AM
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Default yah

thank you for the answer to that question.
Old 03-18-2010, 12:49 PM
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I ordered my set from Jegs this morning.
Old 03-21-2010, 12:25 AM
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what are you doing for fuel rail brackets???




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