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09-25-2018, 06:08 PM | #21 |
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Join Date: Aug 2018
Posts: 2,332
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Re: 30 PU max safe driving speed
I am confused, as usual. What changes, the speedometer end or the driveshaft end?
Seems you could do either, have some one change/recalibrate the speedometer, or change the gearing/turtle on the drive shaft end. Please correct me if wrong. Thanks. |
09-25-2018, 06:40 PM | #22 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: 30 PU max safe driving speed
With the 3.27 and a 5.5 high compression head, your pickup should do fine. If you use the 3.27, then Bert's also sells the speedometer cable adaptor to correct for the ratio difference.
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09-25-2018, 06:57 PM | #23 | |
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Join Date: Aug 2018
Posts: 2,332
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Re: 30 PU max safe driving speed
Quote:
Tom do not have a high compression head, thinking of the 3.54. Still need to change the turtle/cable, different part than for the 3.27? Thanks, this question should clear up things for this thick skull of mine. |
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09-26-2018, 12:04 AM | #24 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: 30 PU max safe driving speed
Yes, you need the right speedometer gear and housing for the ratio you use in the rear end.
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09-26-2018, 04:17 PM | #25 |
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Join Date: Aug 2018
Posts: 2,332
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Re: 30 PU max safe driving speed
Update,
Thanks all for the advice/tech info. I like being a little more knowledgeable. Have changed my mind, going to have work done over the winter Thanks for making me think about it again Tom). Did a little research , talked to people, talked to the Model A repair facility, and visited them today. Getting picked up tomorrow. Motor and Differential work, a general going over to see if anything else needs attention. Figured get things over with instead of taking issues piecemeal, and always worrying about what's next. Looks like major bucks flying out of the Bank Account! Not happy about that, lukily I am divorced, no wife to contend with. |
10-06-2018, 12:28 PM | #26 |
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Join Date: Dec 2016
Location: Sunrise Beach, Mo
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Re: 30 PU max safe driving speed
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10-25-2018, 09:16 PM | #27 |
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Join Date: Sep 2010
Location: Danville, CA
Posts: 1,554
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Re: 30 PU max safe driving speed
I bought a Borg Warner O/D with a complete differential and torque tube, even had near new brake shoes. I put it in my coupe with 3:78 gears but it would be a much better performer with 4:11's. Plans are to change that as I already have all the gears and bearings. IF, just if, you have thoughts of putting in an OD, talk to Mitchell's about getting them to make a 33% box for you and keep the 4:11, the son told me that is the best combo going for all around use. Wish I had known that before I bought the 26%, but it works real well also though I would like a lower ratio when pulling the Sierra Nevada's. Great in the low hills around the SF Bay Area.
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10-26-2018, 12:32 AM | #28 | |
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Location: Southern California
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Re: 30 PU max safe driving speed
Quote:
Charlie Stephens |
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11-01-2018, 12:29 PM | #29 | |
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Join Date: Dec 2016
Location: Sunrise Beach, Mo
Posts: 439
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Re: 30 PU max safe driving speed
Quote:
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