Georgia Fiero Club Forum

All Things Fiero => Tech Tips, Tech Questions => Topic started by: PK on May 24, 2019, 11:09:09 am

Title: Identification and Torque Setting
Post by: PK on May 24, 2019, 11:09:09 am

There is a brace that is just infront of the fuel tank and just behind the spare wheel tub. Runs side to side.

Can anyone tell me the name of this or more importantly a torque setting for the bolts please?

Title: Re: Identification and Torque Setting
Post by: Fierofool on May 24, 2019, 02:26:12 pm

I forgot.  What year is it.  The 88 may be different.  Is it shown in the P22 file I sent you? 

Title: Re: Identification and Torque Setting
Post by: PK on May 24, 2019, 02:49:27 pm

Apologies, it's an 86.

Will check file, thanks for reminder.

My eyes are bleeding but found it by scrolling through tiny pages on phone.....and it's called....wait for it.......... "Brace". Haaa.

Still don't know torque setting but am going to guess at 25lbft.  It's not going to be critical but would still be interested to know. 

Title: Re: Identification and Torque Setting
Post by: Fierofool on May 24, 2019, 03:28:54 pm

Look at the head of the bolt and give me the numbers on it and how many hash marks radiating out to the edge.  That will tell what the torque range is.  Do you want specs in Ft. Lb or Nm?

Title: Re: Identification and Torque Setting
Post by: PK on May 24, 2019, 03:59:40 pm

Thanks FF will take a look tomorrow and report back.  Not worried about which units.

Title: Re: Identification and Torque Setting
Post by: GTRS Fiero on May 24, 2019, 04:23:58 pm

Most PDF programs have a search feature, although that PDF does not search well.

Title: Re: Identification and Torque Setting
Post by: Fierofool on May 24, 2019, 06:57:11 pm

My granddaughter will be with me tomorrow and I may miss your post, so I'll give you what information I have, now.

Grade 1 or 2 won't have any hash marks on the head.  Grade 5 will have 3 hash marks and Grade 8 will have 6 hash marks.  These are US standard SAE.

Bolt strength head markings for metric are:
4.6, 4.8, 5.8, 8.8, 9.8, and 10.9. 

Torque Specs for Metric in Nm/Ft-lb:
M-6, 9-12,  /  6-9
M-8, 19-28   /  14-21
M-10, 38-54   /  28-40
M-12, 68-96   /  50-71
M-14, 109-154   /  80-140

I find it odd that there's big gaps between the various sizes. 

Title: Re: Identification and Torque Setting
Post by: MikeMac on May 24, 2019, 10:20:04 pm

I would say on a brace like that just tighten it down until its tight. I only worry about torque specs when its head bolts, rod bearing caps, wheel lugs or other critical components.

Title: Re: Identification and Torque Setting
Post by: PK on May 25, 2019, 02:51:28 am

Brilliant thanks FF.  Very useful, don't think my estimate will be far off but will still check and report back.  Hope you have a fun day.

MM, agree not critical but just interested to know. 

Title: Re: Identification and Torque Setting
Post by: PK on May 25, 2019, 06:47:41 am

Grade 10.9 and "A" stamped on bolt head.

Title: Re: Identification and Torque Setting
Post by: scottb on May 25, 2019, 06:55:20 am

I know its an American car but I would use German torque on it : Gudentite

Title: Re: Identification and Torque Setting
Post by: GTRS Fiero on May 25, 2019, 07:13:01 am

 ;D

Title: Re: Identification and Torque Setting
Post by: Donster on May 25, 2019, 07:37:29 am

Quote from: scottb on May 25, 2019, 06:55:20 am

I know its an American car but I would use German torque on it : Gudentite

Waddayaknow....I learned a new German word on this forum!  ;D

Title: Re: Identification and Torque Setting
Post by: PK on May 25, 2019, 08:09:17 am

I always use the German "translation" for indicators "ticken tockens" ;0)

Title: Re: Identification and Torque Setting
Post by: GTRS Fiero on May 25, 2019, 08:18:54 am

Quote from: Donster on May 25, 2019, 07:37:29 am

Quote from: scottb on May 25, 2019, 06:55:20 am

I know its an American car but I would use German torque on it : Gudentite

Waddayaknow....I learned a new German word on this forum!  ;D

There is another meaning.