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Are Stainless bolts strong enough to hold motor plate? #528306
11/16/09 05:09 PM 11/16/09 05:09 PM
Joined: Jan 2005
Posts: 1,163
Newark, OH
Hunted Duck Offline OP
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Hunted Duck  Offline OP
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Newark, OH
Was just curious if stainless steel bolts were strong enough to hold my water pump to motorplate to engine? Thanks
Post deleted by Defbob [Re: Hunted Duck] #528307
11/16/09 05:11 PM 11/16/09 05:11 PM

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Re: Are Stainless bolts strong enough to hold motor plate? #528308
11/16/09 05:16 PM 11/16/09 05:16 PM
Joined: Jan 2005
Posts: 1,163
Newark, OH
Hunted Duck Offline OP
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Hunted Duck  Offline OP
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Thanks...lol. I should be ok then.
Re: Are Stainless bolts strong enough to hold motor plate? [Re: Hunted Duck] #528309
11/16/09 05:23 PM 11/16/09 05:23 PM
Joined: Feb 2003
Posts: 3,998
GO BUCKS !!!!!!!
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340RICK Offline
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340RICK  Offline
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GO BUCKS !!!!!!!
hey Jeff all ARP 12 point polished SS.....Cuz there purty

Re: Are Stainless bolts strong enough to hold motor pla [Re: Hunted Duck] #528310
11/16/09 07:08 PM 11/16/09 07:08 PM
Joined: Jan 2003
Posts: 4,152
SO. CAL.
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70blackfish Offline
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Not all stainless bolts are the same quality. Just fyi
Re: Are Stainless bolts strong enough to hold motor pla [Re: 70blackfish] #528311
11/16/09 07:10 PM 11/16/09 07:10 PM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline
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Quote:

Not all stainless bolts are the same quality. Just fyi

Go with grade 8 bolts - what ever kind you use.

Fastest 300
Re: Are Stainless bolts strong enough to hold motor pla [Re: Crizila] #528312
11/16/09 07:29 PM 11/16/09 07:29 PM
Joined: Jan 2003
Posts: 2,533
Alexandria, LA
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Blucuda413 Offline
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Alexandria, LA
The stainless bolts you buy at your local hardware store are not very strong at all, I believe you should stay away from them. Now if you're talking ARP all of their stuff should be quality.
Re: Are Stainless bolts strong enough to hold motor plate? #528313
11/16/09 07:57 PM 11/16/09 07:57 PM
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1 Offline
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Challenger 1  Offline
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Quote:

Yes, as long as your engine makes less than 4,000 hp.



For sure.
Re: Are Stainless bolts strong enough to hold motor plate? [Re: Hunted Duck] #528314
11/16/09 08:00 PM 11/16/09 08:00 PM
Joined: Oct 2004
Posts: 16,477
Canada
CrAzYMoPaRGuY Offline
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I'm one of the few who aren't a fan of stainless steel bolts PERIOD!

Into an iron block sure, but involve aluminum or a stainless steel nut in any way.... and I run, and don't look back!!!!!!!

CrAzYMoPaRGuY
Re: Are Stainless bolts strong enough to hold motor plate? [Re: Challenger 1] #528315
11/16/09 08:01 PM 11/16/09 08:01 PM
Joined: Jan 2003
Posts: 3,443
Northern N.J.
hemi_doug Offline
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Northern N.J.
Quote:

Quote:

Yes, as long as your engine makes less than 4,000 hp.



For sure.



Depends on the bolt.....4 of them can hold an engine on the firewall on C130...4 BIG ones..


71 440-6 4spd & 69 Hemi 4spd
Post deleted by Defbob [Re: hemi_doug] #528316
11/16/09 08:05 PM 11/16/09 08:05 PM

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Re: Are Stainless bolts strong enough to hold motor plate? #528317
11/16/09 08:08 PM 11/16/09 08:08 PM
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1 Offline
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Quote:

On my old (now HEMIFRED's) Duster, I had a one piece motor plate with a Meziere water pump, held together by 6 stainless steel socket cap screws from Lowe's. Block is an iron Megablock. Hung together with no issues for 5 years. And than blown Hemi was heavy!





I held my blown 3000 HP hemi in my TAD with less!!

It's only a water pump and motor plate, it ain't like were talking a rod or something!

Re: Are Stainless bolts strong enough to hold motor plate? #528318
11/16/09 08:23 PM 11/16/09 08:23 PM
Joined: Oct 2004
Posts: 16,477
Canada
CrAzYMoPaRGuY Offline
I Live Here
CrAzYMoPaRGuY  Offline
I Live Here

Joined: Oct 2004
Posts: 16,477
Canada
Quote:

On my old (now HEMIFRED's) Duster, I had a one piece motor plate with a Meziere water pump, held together by 6 stainless steel socket cap screws from Lowe's. Block is an iron Megablock. Hung together with no issues for 5 years. And than blown Hemi was heavy!



If you had an ALUMINUM block would you have still installed the stainless hardware?
I've seen so many galled aluminum parts- even with anti-seize attempts- with stainless fasteners I am now officially a scare-D-cat.

CrAzYMoPaRGuY
Re: Are Stainless bolts strong enough to hold motor plate? [Re: CrAzYMoPaRGuY] #528319
11/16/09 08:30 PM 11/16/09 08:30 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline
I Live Here
dartman366  Offline
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Mt. Vernon, Ohio
Quote:

I'm one of the few who aren't a fan of stainless steel bolts PERIOD!

Into an iron block sure, but involve aluminum or a stainless steel nut in any way.... and I run, and don't look back!!!!!!!


white lithium grease or never sieze will help solve that problem, we use sst fastner's every day, mostly aircraft quality 316/316L grade , some 304 grade but the material is softer and has less chromium and will actually rust(corrode).

Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: Are Stainless bolts strong enough to hold motor plate? [Re: dartman366] #528320
11/16/09 08:46 PM 11/16/09 08:46 PM
Joined: Dec 2003
Posts: 1,325
Orlando Fl
Dos Snails Offline
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Orlando Fl
I've twisted off a few SS bolts, Anything from a hardware store scares the crap out of me! I have to use SS hardware on my boat, I always thought SS was hard metal until now..
Re: Are Stainless bolts strong enough to hold motor plate? [Re: Dos Snails] #528321
11/16/09 10:11 PM 11/16/09 10:11 PM
Joined: Oct 2004
Posts: 8,165
Left Coast
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BobR Offline
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Left Coast
Quote:

I've twisted off a few SS bolts, Anything from a hardware store scares the crap out of me! I have to use SS hardware on my boat, I always thought SS was hard metal until now..



Just hard to cut because it work hardens. Use anti-seize with any bolt that screws into aluminum not just SS. SS bolt will gall onto a SS nut so anti-seize or loc-tite is a good idea there too.
Post deleted by Defbob [Re: CrAzYMoPaRGuY] #528322
11/16/09 10:36 PM 11/16/09 10:36 PM

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Re: Are Stainless bolts strong enough to hold motor plate? [Re: Hunted Duck] #528323
11/16/09 11:50 PM 11/16/09 11:50 PM
Joined: Feb 2004
Posts: 1,093
Long Beach, CA
Mike Swann Offline
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Mike Swann  Offline
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Long Beach, CA
In shear and tensile strength, a grade 5 bolt is 3 x stronger than the same sized SS bolt at the hardware store. a Grade 8 is 4 x stronger.

8.30's @3400 lbs
Re: Are Stainless bolts strong enough to hold motor plate? [Re: 340RICK] #528324
11/17/09 12:50 AM 11/17/09 12:50 AM
Joined: Jan 2005
Posts: 3,699
Newport, Mi
Evil Spirit Offline
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Newport, Mi
Quote:

hey Jeff all ARP 12 point polished SS.....Cuz there purty



They do look nice - they should for the cost. The bad thing about them is you have to use 12 point wrenches/sockets. A hex bolt can be tightened by 6 or 12 point tools.

Free advice and worth every penny...
Factory trained Slinky rewinder.........
Re: Are Stainless bolts strong enough to hold motor plate? [Re: Hunted Duck] #528325
11/17/09 01:42 AM 11/17/09 01:42 AM
Joined: Jun 2007
Posts: 2,432
NorCal
RylisPro Offline
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RylisPro  Offline
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Posts: 2,432
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I'm using CAT bolts on my motor plate
minimum tensile strength of 150,000 psi, not too pricey and Made in USA
ARP stuff is 170,000 psi and nice looking but expensive

73 `Cuda
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