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Author Topic: check my gear pattern.  (Read 1487 times)
No Rice Nate
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« on: February 03, 2012, 08:59:05 am »

I'm installing new Fms 4.10 gears and need some other opinions on my wear pattern. Here is what i got so far.


* drive.jpg (490.81 KB, 2592x1944 - viewed 107 times.)

* IMG_20120202_224254.jpg (311.93 KB, 2592x1944 - viewed 109 times.)
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69 Merc
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« Reply #1 on: February 03, 2012, 09:44:04 am »

 Wonder, Ponder
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Robert's 1969 Mercury Montego (FordStrokers 408W, QFT 850cfm RQ-AN, Super Victor, 2" aluminum open spacer, CamMotion HR .624/.609 251/256 108, 1-3/4" x 3" headers, Broader Performance RmV/B under a C6/4R100 behind a 8"/9" billet 5500 stall, 9" 4.56 Detroit Truetrac, M/T ET radial streets 315/60-15 on 10" rims)

The Merc started here = http://sbftech.com/index.php/topic,27178.0.html

Irwindale Speedway 1/8 mile (1st time at a track!) = 7.647 @ 90.78mph with a crappy 1.878 sixty foot (3850# race weight)

Present day Merc = http://sbftech.com/index.php/topic,34648.0.html


Except that engine building (properly) is a labor intensive industry.  Who do you think does all the measuring and machining?  Little engine shop fairies?  Not to mention assembly, mock up and parts fitting.

At Woody's level you are not just paying for his labor but for his skill set as well.

Thanks FordStrokers 408W, Westminster Performance Transmission (W.P.T.) transmissions, TCS Performance converters, Broader Performance valvebodies and last but not least a BIG thanks (always) to my friends here and abroad in the World!
Joel5.0
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« Reply #2 on: February 03, 2012, 02:22:45 pm »

Based on the 2nd. one.... a little too high on the heel. Pinion needs to be placed "deeper" in the housing.... or reduce pinion shim thickness.... or as the 2nd. diagram below.


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Nate_135
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« Reply #3 on: February 06, 2012, 03:00:06 pm »

Looks good to me. I'd double check the backlash and run it. 
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97 ranger, 2wd, Stock 302 shortblock, 10:1, Vic JR, TW170, QFT 650, 1 5/8 x 3 L/T's, header evac, homebrew AOD/4R70W, Precision converter, 325/40/17 DR's, Cal-tracs. 3450#.
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