I just got a 1984 Camaro F41 as a parts car and when I ran the RPO's I came up with this:

Y06 : Ring Gear, 9.50 IN., Saginaw, (S.P. 0.)

What is going on??? Did I strike gold or something??? What exactaly is does this option mean?
Thanks in advance,
Michael

 

don't know for sure about the f41, but you should have a 7.5 or 7.62 ring gears. the old style 10 bolts were 8.5 and there were a few 8.2. dana makes a 9.75 ring gear and ford has the 9 inch. i'd guess it's a typo or something of that nature.

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-=ICON MOTORSPORTS=-

 

I doubt that option is in the car. A 9 1/2" ring gear is the small 14 bolt diff. It was available in 90-93 454SS trucks. The large 14 bolt diffs are 10 1/2" and come in 3/4 and 1 ton trucks.

Climb under the car and count the bolts on the diff cover.

I have no idea what a F41 car is.

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Stephen's racing page

87 IROC-Z Pro ET Bracket Race Car and knocking on the SuperPro ET class
383 stroker (carbed) with double hump cast iron heads and pump gas
LS6 Big Block buildup now in progress

Best results before the engine blew up
Best ET on a time slip: 11.857
Best corrected ET: 11.163
Best MPH on a time slip: 117.87
Best corrected MPH: 126.10
Best 60 foot: 1.662

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!

Member of the Calgary Drag Racing Association

 

Drum brakes? Those are 9.50" ...

The ring gear is the 7½" like every other 84. I've seen quite a few cars from around that year with the "F41" badging, they were usually 2.8 cars, occasionally MPFI. I don't think it was the same thing as the RPO code for the suspension.

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"So many Mustangs, so little time..."

 

Well, this car has the L4G 305 with heavy duty cooling. It has a factory optioned oil cooler. It also has the RPO code F41 and when I looked under ther car, there were thick anti-roll bars! Cool! The engine threw a rod through the side of the pan, but I got the car for parts for my 85 anyway. I am gonna pull the fan shroud, oil cooler, A/C lines, and anti-roll bars. I may pull the seats too, cause they are in good shape.