Rear End Major Problem
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Junior Member
Joined: Jan 2000
Posts: 4
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From: Alexander, AR, USA
Rear End Major Problem
I have a 97 F-150 ext. Cab with a 4.6 with the LS 3.55 gears. How many people have had major problems with theres??
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97 F-150 ext. Cab lariet
Duals, K&N Filter
93 Mustang GT
Flows. K&N Filter
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97 F-150 ext. Cab lariet
Duals, K&N Filter
93 Mustang GT
Flows. K&N Filter
Member
Joined: Oct 1999
Posts: 61
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From: Northwest Florida
Those 8.8's are tough rearends.
89 Mustang 5.0, 3.08 LS, 130k miles, plenty of full throttle clutch drops, never any problems!
97 F-150 3.55 LS, 73k miles, plenty of ski boat towing, never any problems!
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99 4x4 SC Lariat 5.4l 3.73 rear, oxford white
89 Mustang 5.0, 3.08 LS, 130k miles, plenty of full throttle clutch drops, never any problems!
97 F-150 3.55 LS, 73k miles, plenty of ski boat towing, never any problems!
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99 4x4 SC Lariat 5.4l 3.73 rear, oxford white
Senior Member
Joined: Jul 1999
Posts: 188
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From: Alvin, Tx
166,000 miles on my 8.8 and no problems. Changed the lube at 100k. Anyone know why Ford doesn't put the 8.8 in F150s anymore?
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'93 Regular Cab XLT Shortbed, 5.0, K&N, Borla, 160,000 miles; Future Expedition owner.
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'93 Regular Cab XLT Shortbed, 5.0, K&N, Borla, 160,000 miles; Future Expedition owner.
Member
Joined: Dec 1998
Posts: 44
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From: Saint Peters, MO USA
I do not know what Ford is using past 98, but mine has both front and rear 8.8.
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98 F-150 4X4 Ext Cab ORP 4.6L Superchip, Gibson Cat Back Single exit exhaust, TransGo Performance Shift Kit, K&N Filter. Future: 4.56 gear swap, shorty headers.
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98 F-150 4X4 Ext Cab ORP 4.6L Superchip, Gibson Cat Back Single exit exhaust, TransGo Performance Shift Kit, K&N Filter. Future: 4.56 gear swap, shorty headers.
Senior Member
Joined: Sep 1999
Posts: 271
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From: New Hudson, MI, USA
Friends 97 with the 3.55 LS went out at 60K.
That is the only one that I have ever heard of. His dealer told him they never saw it before, and they would try to cover it under warrenty even with 60K on it...(that is one great dealer)
My 97 had 80K with no problems when I sold it.
-Jeff
That is the only one that I have ever heard of. His dealer told him they never saw it before, and they would try to cover it under warrenty even with 60K on it...(that is one great dealer)
My 97 had 80K with no problems when I sold it.
-Jeff
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Joined: Oct 1999
Posts: 61
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From: Northwest Florida
Tenderpaw,
They still use the 8.8's with the 4.2L and 4.6L engines. The 5.4L gets the 9.25. I know it has been this way with 97-99 models. I think the 2000's also use this set up. The 4x4 uses the 8.8 up front also.
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99.5 4x4 S/C Lariat, ORP, Flairside,5.4l 3.73 rear, oxford white, 4 wheel disc, 4 wheel ABS,factory nerf bars, 6 disc changer, keyless entry
To mod or not to mod....that is the question!
They still use the 8.8's with the 4.2L and 4.6L engines. The 5.4L gets the 9.25. I know it has been this way with 97-99 models. I think the 2000's also use this set up. The 4x4 uses the 8.8 up front also.
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99.5 4x4 S/C Lariat, ORP, Flairside,5.4l 3.73 rear, oxford white, 4 wheel disc, 4 wheel ABS,factory nerf bars, 6 disc changer, keyless entry
To mod or not to mod....that is the question!
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Junior Member
Joined: Jan 2000
Posts: 4
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From: Alexander, AR, USA
My truck has about 60k on it right now, and they told me the same thing. That they have never seen it before. It is has cracks all around it and 2 really big chunks out of it, and I just took it in to get a new U-joint a month ago..I don't know if that has to do with anything or not but it didn't start messing up until I got it back. And my mustang runs great.
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97 F-150 ext. Cab lariet
Duals, K&N Filter
93 Mustang GT
Flows. K&N Filter
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97 F-150 ext. Cab lariet
Duals, K&N Filter
93 Mustang GT
Flows. K&N Filter
Registered User
Joined: Apr 1999
Posts: 52
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From: Oak Hill, West Virginia
I wish ford would have never stopped using the 9 inch. I mean think about it ask any bracket racer what rearend they have in their car and they will tell you the Ford 9".
If not they have a Chrysler, any way I think the 8.8's (non LS) anyhow, stinks, my old 90 F-150 still running but barely. The diff housings are a little to soft for me. The shaft that goes through the spider gears was goulding the hole and making it really sloppy, but then again it did take alot of abuse so maybe they aren't all that bad.
Still wish they would bring back the 9" though, gear swapping would be easy! Comments on that one?
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99 F-150 XLT Sport, Black 4x4 4.6L , 3.55 LS,Manual Tranny, K&N air filter, No Muff Exaust system,.999 tuned TPS,Pioneer CD Player,Pioneer GM-X332 Amp,8" Rockford Fosgate Punches, Custom(self done)pinstriping,Wrap around bugdeflecter
If not they have a Chrysler, any way I think the 8.8's (non LS) anyhow, stinks, my old 90 F-150 still running but barely. The diff housings are a little to soft for me. The shaft that goes through the spider gears was goulding the hole and making it really sloppy, but then again it did take alot of abuse so maybe they aren't all that bad.
Still wish they would bring back the 9" though, gear swapping would be easy! Comments on that one?
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99 F-150 XLT Sport, Black 4x4 4.6L , 3.55 LS,Manual Tranny, K&N air filter, No Muff Exaust system,.999 tuned TPS,Pioneer CD Player,Pioneer GM-X332 Amp,8" Rockford Fosgate Punches, Custom(self done)pinstriping,Wrap around bugdeflecter