manifold bolt question
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From: Antelope, CA
Car: 89 IrocZ/17 LS 1LE
Engine: 383/LGX
Transmission: 400/TR-3160
Axle/Gears: 3.08/3.27
manifold bolt question
will there be any clearance issues with regular(12 point) bolts, cause I would love to ditch the torqx
"Regular" 12-point heads? Those are actually fairly rare. If you can get 12-point headed bolts, they shoudl have no clearance problems since they are typically smaller than their 6-point counterparts. A regular 6-point (hex head) cap screw may present soem clearance issues, however.
Another alternative to the Torx button heads would be hex recess cap screws (Allen heads).
Another alternative to the Torx button heads would be hex recess cap screws (Allen heads).
Thread Starter
Supreme Member
iTrader: (2)
Joined: Nov 2003
Posts: 3,400
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From: Antelope, CA
Car: 89 IrocZ/17 LS 1LE
Engine: 383/LGX
Transmission: 400/TR-3160
Axle/Gears: 3.08/3.27
wow I didn't know 12 point bolts are rare, Im gonna order some stainless 12 point bolts from jegs
Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Originally posted by Vader
Another alternative to the Torx button heads would be hex recess cap screws (Allen heads).
Another alternative to the Torx button heads would be hex recess cap screws (Allen heads).
The original fasteners were Torx recess, button head cap screws. Flat cap screws are just that - Flat on the outer head surface with a 37° tapered underside.
12-points are available at any good hardware store, and many other sources. I mentioned they are "fairly rare" since they usually cannot be found at the stores that are displacing the local hardware stores across the country. The big box home centers aren't going to be able to help you, or possibly even understand what you might be asking for, whereas the old hardware store clerk would have asked "Plain, or plated, and how many?"
12-points should work just fine, so long as you can find them with the correct thread and length.
12-points are available at any good hardware store, and many other sources. I mentioned they are "fairly rare" since they usually cannot be found at the stores that are displacing the local hardware stores across the country. The big box home centers aren't going to be able to help you, or possibly even understand what you might be asking for, whereas the old hardware store clerk would have asked "Plain, or plated, and how many?"
12-points should work just fine, so long as you can find them with the correct thread and length.
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Thread Starter
Supreme Member
iTrader: (2)
Joined: Nov 2003
Posts: 3,400
Likes: 0
From: Antelope, CA
Car: 89 IrocZ/17 LS 1LE
Engine: 383/LGX
Transmission: 400/TR-3160
Axle/Gears: 3.08/3.27
I plan to order some S.S. ARP's from JEGS. Is the TPI any different from a SBC
I plan to get these: part # 070-434-2101
http://www.jegs.com/cgi-bin/ncommerc...12&prmenbr=361
I plan to get these: part # 070-434-2101
http://www.jegs.com/cgi-bin/ncommerc...12&prmenbr=361
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