Strut Tower Brace? - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-25-2003, 09:32 PM   #31
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Nice. Looks like you can leave one bolt in the strut mount while the other two are loose? Also, did you remove that metal strip that originally ran between those two bolts, or are you on top of it? Hard to tell in the pictures. I'm just thinking that the metal strip would add some clearance to the brake resevoir, but take away from the hood clearance and (guessing here) also hurt the total rigidity of the assembly.
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Old 02-26-2003, 12:10 AM   #32
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Yeah, let us know if the strips are supposed to be left there or if you're suposed to take them off. The thickness of the strips could make the difference for getting that cover off, if that'* how it'* supposed to be. I think the guy who said he couldn't get his cover off might have removed those strips. I could always experiment too.

When it comes down to it though, it'* easier to type than it is to experiment.
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Old 02-26-2003, 04:02 AM   #33
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I removed my strips because new bonnes do not have them under the STB. The strips are there to distrubute the load evenly around the top of the strut mount and with the STB there you don't need to have them anymore.

I also remember that the strips have a slightly raised surface so I don't think the STB will fit flush to the top of the strut mount with them installed.
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Old 02-26-2003, 10:07 AM   #34
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Whoo hoo..!!

I was talkin to a friend of mine has a 92 SSE that he is looking to unload. I asked if I could scavenge his STB. No charge . At this point he just wants to get rid of the car (3rd car between two people, he doesn't need it).

Jr? its no problem to swap the brake fluid reservoir to make this fit right?...just confirming...
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Old 02-26-2003, 03:31 PM   #35
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Quote:
Originally Posted by theJMFC
Ok, I just put a straight edge between the edges of the two strut towers on my '89, and the brake res is about 1/4 - 5/16" below that line. Judging by some pics of 92-99 bonnies i've found, it looks like it'll work, but it'* sure going to be close. Can anyone verify that the newer STB will work on my '89? It also looks like the hood clearance would be tight. Any problems there?
My car is a '88 that uses '89 parts, which make me believe that it was made in the middle of the year or somthing, but the STB fits perfect, and I have the regular brake system, not ABS. Check it out on my site, its the NEW PROJECTS page. I used a '93 Bonnie'* STB, but I also saw some on the old Buicks as well.
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Old 02-26-2003, 05:34 PM   #36
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Jr...

If you want a project, my friends SSE is perfect. He wants it gone. It has plenty wrong with it. Sadly it was never maintained. However, the engine has been replaced and it has lots of kick left in it. The electronics are fading fast and it won't nearly pass a safety or certification.
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Old 02-26-2003, 05:44 PM   #37
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We good Canadian boyz would love to help you out in making that 3rd Bonne dream a reality. He mentioned that he just wants to leave it in parking lot running and see what happens

Jr..I need a fave. I want to do the STB mod, I'm worried about drilling etc. Could you email me the steps and things to watch out for. I'm leary about drilling new holes. Or is there something in Techinfo yet?

Any assistance is muchly appreicated.!!!
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Old 02-26-2003, 08:19 PM   #38
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Quote:
Originally Posted by jr's3800
Well guess what? I'm going to be removing the strips from the 91 bonnie... I should have looked at the 95 bonnie last night to get a good idea of weather or not too keep the strips... The 95 does not have them under the bar... So I'll be correcting that problem.. But the clearences wiil be pretty much the same for me... I thin they are about 1-2 MM thick... Not too much, But as you had stated, I'm also wondering if that can take away from the rigidity of the STB by having the strips under the bar...... Well see I guess..
Thats good to know, i'll take those off when I do mine. Looking at timsmooth'* pictures, it looks like there'* good clearance for the brake resevoir. I wonder if it varries slightly, due to production tolerances? Anyway I hope to find out soon, possibly even this weekend.

I've seen two different torque figures used in this thread, for the strut nuts. Willren says it'* 35, Jr says it'* 27. Anyone know which one is correct? Maybe one figure is for the older ('87-'91) cars, and one is for the newer? Not that there'* much difference, but i'd like to do it right. I'm a perfectionist... sometimes.
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Old 02-27-2003, 01:10 AM   #39
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Quote:
Originally Posted by jr's3800
I looked in the book and it said the the specs for the strut tower nuts are 18 ft lbs...
I'm confused, sorry. I thought you said that the book said 27 ft lbs? I'm afraid you lost me here...
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Old 02-28-2003, 12:31 AM   #40
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Yes, we're officially un-confused now about the correct torque figure for our '87-'91 bonnies. However... now i'm wondering if the torque SHOULD be tighter than that, due to the fact that it has to withstand some horizontal forces from the STB.

What i'm saying is that from the factory, the nuts just held the strut in place against the inner fender (no major stress). Now they have to keep things from sliding sideways as well. Maybe that'* why the newer ones are torqued to 35 ft-lb (per willren way back on page 1)?

I might just tighten closer to the 35 ft-lb. I don't think there'* much danger of breaking the studs off at that low of a torque setting anyway. 18 does seem really weak for something so darn critical, doesn't it?
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