Do 8.8 suspension parts fit 7.5 rear ends?

83 5.0 · January 6th, 2007, 09:55 PM

I know I should get a 8.8 but already over budget on my 83 Convertible 5.0 project, and my 7.5 is in great shape. I want to upgrade the springs and Upper/Lower control arms for now, will these parts fit my 7.5?

Will get an 8.8 eventually so would like to use these parts when I do get one, but want to improve the handling etc. as the original suspension is a V6 GLX, which is softer than air port limo's ride right now.

Thanks for any input.

bigdog89129 · January 7th, 2007, 01:20 AM

yes the suspension components are the same, I replaced my '79 7.5 with a 9'' but a 8.8 will bolt right in. Be sure its from a v.8. though if you want traction lock differential

82GT · January 7th, 2007, 05:02 PM

Also, in case you didn't know, the axles are the same for the 7.5 and 8.8 rears. I saved mine from my 7.5 when I did the 8.8 swap so that I would have some spares if I needed them in a pinch.

FastBack71 · January 7th, 2007, 05:14 PM

whats the difference what are they

82GT · January 7th, 2007, 06:31 PM

Originally Posted by FastBack71

whats the difference what are they

Nothing really but I was going to mention something about setting pinion depth for gears other than FMS but it's doesn't really matter 'cause he's having a shop install them amyway...

83 5.0 · January 7th, 2007, 08:20 PM

Thanks guys for the info, at least I will know how it handles before I spend the cash on a 8.8. THe car is just for cruising around etc., so I won't be stressing the 7.5

82GT · January 7th, 2007, 08:24 PM

[quote="83 5.0 so I won't be stressing the 7.5[/quote]

Famous last words....

January 6th, 2007, 09:55 PM	#1
83 5.0 Regular Join Date: Aug 2006 Location: Toronto Ont. Canada Posts: 278 iTrader: 0 reviews	Do 8.8 suspension parts fit 7.5 rear ends? I know I should get a 8.8 but already over budget on my 83 Convertible 5.0 project, and my 7.5 is in great shape. I want to upgrade the springs and Upper/Lower control arms for now, will these parts fit my 7.5? Will get an 8.8 eventually so would like to use these parts when I do get one, but want to improve the handling etc. as the original suspension is a V6 GLX, which is softer than air port limo's ride right now. Thanks for any input.

January 7th, 2007, 05:02 PM	#3
82GT Regular Join Date: Nov 2006 Location: Danville, Pa. Posts: 324 iTrader: 0 reviews	Also, in case you didn't know, the axles are the same for the 7.5 and 8.8 rears. I saved mine from my 7.5 when I did the 8.8 swap so that I would have some spares if I needed them in a pinch. __________________ 1982 GT (t-top) 351w(.060),10:3, ported & polished iron heads, 1.94/1.60 valves, BBK shorties & flowmasters, 274XE cam, stealth intake, mallory dizzy, stealth intake, 750dp, Edge 3700 stall converter, C-4, 4:10's Best E.T 12.79@103.55mph

January 7th, 2007, 05:14 PM	#4
FastBack71 Enthusiast Join Date: Dec 2006 Posts: 587 iTrader: 0 reviews	whats the difference what are they __________________ My friends used to wonder Why i joined the air force. Now they wonder why they didn't.

January 7th, 2007, 08:24 PM	#7
82GT Regular Join Date: Nov 2006 Location: Danville, Pa. Posts: 324 iTrader: 0 reviews	[quote="83 5.0 so I won't be stressing the 7.5[/quote] Famous last words.... __________________ 1982 GT (t-top) 351w(.060),10:3, ported & polished iron heads, 1.94/1.60 valves, BBK shorties & flowmasters, 274XE cam, stealth intake, mallory dizzy, stealth intake, 750dp, Edge 3700 stall converter, C-4, 4:10's Best E.T 12.79@103.55mph

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January 7th, 2007, 01:20 AM	#2
bigdog89129 Newbie '79 393 hatch Join Date: Jan 2007 Location: Las Vegas Posts: 7 iTrader: 0 reviews	yes the suspension components are the same, I replaced my '79 7.5 with a 9'' but a 8.8 will bolt right in. Be sure its from a v.8. though if you want traction lock differential

January 7th, 2007, 08:20 PM	#6
83 5.0 Regular Join Date: Aug 2006 Location: Toronto Ont. Canada Posts: 278 iTrader: 0 reviews	Thanks guys for the info, at least I will know how it handles before I spend the cash on a 8.8. THe car is just for cruising around etc., so I won't be stressing the 7.5

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