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#1 |
Senior Member
![]() Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,284
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Crossmember bolts
Are there special fasteners to attach an auto x-member to the frame or will grade 5 bolts with lockwashers and standard nuts suffice?
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70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Power windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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#2 |
Iron Thunder
Join Date: Nov 2003
Location: Phoenix Arizona
Posts: 377
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Re: Crossmember bolts
only use grade 5 bolts if you want your tranny to fall out .
use grade 8 bolts, nuts and locks. |
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#3 |
Registered User
Join Date: Dec 2003
Location: here
Posts: 5,789
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Re: Crossmember bolts
Im sure its the safe bet to tell people to use grade 8 bolts on everything but all Ive ever used on a trans x/member is grade 5's. Never lost one yet...corn
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#4 |
Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,685
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Re: Crossmember bolts
Grade 5 will work just fine.
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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#5 |
Senior Member
![]() Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,284
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Re: Crossmember bolts
Thanks guys. I appreciate it.
Stovebolt
__________________
70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Power windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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#6 | |
Iron Thunder
Join Date: Nov 2003
Location: Phoenix Arizona
Posts: 377
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Re: Crossmember bolts
Quote:
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#7 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Crossmember bolts
In all reality, you don't even need grade 5. This isn't a structual piece, it's not load bearing, you are just keeping it from sliding around.
People go way overboard on grade 8 talk, and 99.9% of the ppl spewing that info don't know jack about gradr 5 , grade 8, or which to use in which aplication. There's plenty of times to use grade 5 where you'd be stupid to use grad 8 becouse a grade 8 could break. (yes, grade 5 is stronger in some ways) I could go way into detail, but I won't, becouse all it does is make my fingers tired, then I'm flamed, called names, and then get BS in my PM box saying I'm a tool. |
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#8 |
Truck junkie
![]() Join Date: May 2006
Location: Reno NV
Posts: 697
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Re: Crossmember bolts
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#9 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Crossmember bolts
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#10 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Crossmember bolts
That article has quite a few things that contradict what I learned in school, in the army (I was an M-1 hull mechanic) and the last 5 years in a heavy truck shop. I can't call BS on his figures, becouse I can't do that kind of math, but like I said, it contradicts most everything I have learned, and everywhere I learned these things had the same info.
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#11 |
Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
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Re: Crossmember bolts
Heh, why don't you just use stainless.
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. ![]() We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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#12 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Crossmember bolts
Wow.... my in box is already taking a beating, and I will personally see to it that I respond to none of them.
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#13 |
Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
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Re: Crossmember bolts
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__________________
"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. ![]() We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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#14 | |
Registered User
Join Date: Dec 2003
Location: here
Posts: 5,789
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Re: Crossmember bolts
Quote:
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#15 | |
Registered User
Join Date: Dec 2004
Location: NW, WA.
Posts: 1,421
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Re: Crossmember bolts
Quote:
Andy the M-1 hull mech, MOS 63E....me too, been there, done that, hate "DATS" aka: Dumb A55 Tankers. ![]() |
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#16 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Crossmember bolts
yep, i was a 63E with a H8 identifier for 7 1/2 years.
Been a PFC (Proud friggen civillian) for 5 years now, i don't know if all the armor has the computers now, but in my days at ft Hood we were testing the computers in the tanks, so we called our tankers CDATs... Computerized dumb ass tankers. ![]() |
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#17 |
Registered User
Join Date: Dec 2004
Location: NW, WA.
Posts: 1,421
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Re: Crossmember bolts
I did the M-88 Jockey thing for a while in Ft Polk, earned my Hotel-8 in the swamps busting knuckles on those old M-60 A3's. Went to West Germany in '87 and had to retrain for the A-1's. They are all just "STUMPS"...
Stupid Tankers Under Maintenance Protection. DAT-DAT makes that sound... Crunch! Dat in my sprocket goes 'round and 'round ![]() |
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#18 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Crossmember bolts
LOL!!!
I did my H8 training at knox in Kentucky. They still have the old m60 tanks there. The junk is so bad there, I was dragging an M60A3 (I think it was an A3) and the sucker broke the track... not the 88, the 60! I was LMAO untill I was told we had to fix it and since there were no tankers around.... yep, we got to do it. ![]() Stumps... I forgot all about that one! |
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