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Reload this Page Bellhousing cracking

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Old 09-03-2009, 09:36 AM   #1
Junior Member
 
Join Date: Jul 2008
Location: boomer, nc
Posts: 29
Car: 88 IROC-Z
Engine: L98 350 Built
Transmission: Built 700R4
Axle/Gears: 2.73

Classifieds Rating: (0)
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Bellhousing cracking
Ive been having a problem with my bellhousing cracking on my 700r4 in my 88 iroc.
what would cause it to crack all the way across the housing and about 1/4 of the way down the case. i thought it was a fluke at first but its done it 3 times now, and after the 2nd time i had it welded back and i had 1" wide and 5" long braces welded on for added strength but it broke them as well.
so do i have a suspension problem, to much power, or something else.
anybody with some insight on the issue would be great.

thanks
joseph
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Old 09-04-2009, 05:35 PM   #2
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Join Date: Aug 2009
Location: Louisville, KY
Posts: 19
Car: 91 B4C 92 Z 93LT1
Engine: L98s & LT1s
Transmission: 700R4s all around
Axle/Gears: 3.23x2 & 3.73

Classifieds Rating: (0)
Re: Bellhousing cracking
Are you running solid mounts??
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Old 09-05-2009, 03:48 PM   #3
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Join Date: Jul 2008
Location: boomer, nc
Posts: 29
Car: 88 IROC-Z
Engine: L98 350 Built
Transmission: Built 700R4
Axle/Gears: 2.73

Classifieds Rating: (0)
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Re: Bellhousing cracking
nope, do i need to?
i have a set of Moroso solid mounts
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Old 09-08-2009, 10:00 AM   #4
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Join Date: Jun 2005
Location: NC
Posts: 2,619
Car: 92 Firebird
Engine: LM7
Transmission: 4L60E
Axle/Gears: 2.73

Classifieds Rating: (9)
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Re: Bellhousing cracking
Common causes are improper converter installation, excessive vibration cause by too stiff of trans mounts and improperly bolting on the bellhousing
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Old 09-08-2009, 07:48 PM   #5
Junior Member
 
Join Date: Jul 2008
Location: boomer, nc
Posts: 29
Car: 88 IROC-Z
Engine: L98 350 Built
Transmission: Built 700R4
Axle/Gears: 2.73

Classifieds Rating: (0)
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Re: Bellhousing cracking
Im running regular transmission mounts, the transmission was bolted properly.
could the engine mounts have gone bad? could that be where the vibrations are coming from?
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Reload this Page Bellhousing cracking
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