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05-13-2016, 04:53 PM | #21 |
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Re: A & B Running Gear For "TROG"
Roadster62 -- Does a B flywheel bolt on to an A crankshaft without modification?
Bud -- I want to use all Ford parts without any adapters in the spirit of TROG pre 1953 rules. I have been told that you have to install gears in right order to make the build smooth. Van Pelts book should set me on the right path. 62pan -- I plan to use the book like a road map, but first I will sit down and read it a few times. As I understand it is all about the order you install gears that is the trick to a smooth 39/B trans build. If I decide to keep the 39 top loader trans for a future build, do you have any suggestions on a good gear set that will work for this B case build? I know that all 40 - 48 gear sets will work, but are any better in keeping the gear ratios close to help RPM during shifts. Not real good at wording this stuff, but I am asking if there is a close ratio gear set? |
05-13-2016, 05:01 PM | #22 |
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Re: A & B Running Gear For "TROG"
Do read Van Pelts book. Installing the gears in the early boxes is more difficult than the later boxes, and trust me on this, it is easy to get things screwed up. No close ratios that I know of, but the book has all the combinations listed.
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05-13-2016, 06:02 PM | #23 |
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Re: A & B Running Gear For "TROG"
The Flywheels differ in a taper on the back, an A in a b case will touch. Check out the "BANGER MEET" thread on the HAMB, all these things have been done by others, and they are happy to give advice. Bob
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They don't have to run to be enjoyed. I'm here to enjoy the hobby, and enjoy the cars no matter what they look like. Most of the worlds problems are electrical. |
05-13-2016, 07:13 PM | #24 |
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Re: A & B Running Gear For "TROG"
I would hope that you are planning to lighten the flywheel so either will work A or B. Or you could use a V8 flywheel. More mods required than just taking weight off a stock one.
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05-14-2016, 12:24 AM | #25 |
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Re: A & B Running Gear For "TROG"
PC/SR -- Looking forward to getting Van pelts book. I am sure it will answer a few more questions.
Roadster62 -- Thanks, I will check out the HAMB Thread on bangers. 62pan --Yes I had planed to lighten an (A) flywheel and run a clutch & pressure plate from Van Pelt for it. |
05-14-2016, 01:54 AM | #26 |
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Re: A & B Running Gear For "TROG"
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think they would be perfect for you |
05-14-2016, 10:46 AM | #27 |
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Re: A & B Running Gear For "TROG"
colin1928 -- Any idea on cost in U S $ if I can find a used set of 1940 Zephyr? Are they available new any where?
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05-14-2016, 11:16 AM | #28 |
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Re: A & B Running Gear For "TROG"
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05-16-2016, 04:02 AM | #29 |
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Re: A & B Running Gear For "TROG"
Cluster gear 25 22 18 14
1st gear 2.12 to 1 2nd gear 1.43 to 1 top gear 1 to 1 this makes for nice close ratio as for cost unsure but ask over on the Early V8 FB a lot of those guys use them |
05-16-2016, 07:13 AM | #30 | |
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Re: A & B Running Gear For "TROG"
Quote:
http://www.speedwaymotors.com/26-Too...ears,3773.html John |
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05-16-2016, 12:27 PM | #31 |
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Re: A & B Running Gear For "TROG"
colin1928 -- Thank you for the numbers, very helpful. What general rear end gear ratio do you run? As the TROG beach races are only an 1/8 mile I would like to use 2nd & 3rd only to limit the amount of shifting. I am looking at a 1940 4:11 banjo rear end.
john in illinois -- Thanks for Speedways ad, hope I can find a used set as their price is a bit out of this builds range. |
05-18-2016, 06:51 PM | #32 |
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Re: A & B Running Gear For "TROG"
As I am looking at using a 40 Ford Banjo rear end in my TROG roadster and it has a 4.11 gear in it.
I would like to run 2 & 3 gears only in my B trans with 39 gears at their 1/8 mile beach drags. Does any one make a 4.56 or higher R&P for the above rear end? A Quick change is over the top for this build. |
05-19-2016, 07:29 AM | #33 |
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Re: A & B Running Gear For "TROG"
Not sure about this but I believe the R&P for the 60 horse flatheads were 4.44
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05-19-2016, 11:50 AM | #34 |
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Re: A & B Running Gear For "TROG"
Lincoln also
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05-21-2016, 07:08 PM | #35 |
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Re: A & B Running Gear For "TROG"
Dodge & 62pan -- Thanks for the replies.
I was going through my Speedway catalog and they have two gears that will fit 1935-48 passenger car rear ends. One is a 5.86 & other is a 6.17. Both would work well with the right tire size for my 2nd gear start & 3rd gear finish. Remember I am only racing 1/8 mile on the beach and would like to keep finish RPM in the 4500-4800 range. |
05-21-2016, 08:13 PM | #36 | |
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Re: A & B Running Gear For "TROG"
Quote:
Reason I asked about Quick change ratio is that my friend Paul Garrigan tried a 25 cluster in his V8 (3 and 7/16 (yes .250 overbore) by 4 inch stroke) 296 CI. He found the 25 cluster ratio too high in 1st and 2nd. BUT he was stuck with the 3.78 rear gears and not easy to change to 4.11s as it was coupled to a Columbia that he already had installed. Paul settled on the 26 cluster in the 39 transmission which worked well. Thanks |
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05-22-2016, 05:10 AM | #37 |
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Re: A & B Running Gear For "TROG"
I still have that transmission put away with the ratio tag
I used a 4.11 or 4.4 in the rear end just not sure which made it easy to stay in the power band at the drags |
05-22-2016, 12:33 PM | #38 |
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Re: A & B Running Gear For "TROG"
colin1928 -- The 40 banjo has a good 4.11 R&P in it. May be I should try it first before going to a 5.86. See if the 4.11 lets me use 2nd & 3rd only.
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05-23-2016, 07:37 PM | #39 |
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Re: A & B Running Gear For "TROG"
I have read both Van Pelts & Mr B's books and I just want to make sure I have everything correct.
As I understand you can put any 1939-1948 gear set in a (B) trans case. Does not matter weather the gears came out of a top load or a side load trans case. You must use a 1939 top load shift cover or a later 48-52 1/2 ton truck shifter/top cover on the (B) case to operate correctly. |
05-23-2016, 08:05 PM | #40 |
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Re: A & B Running Gear For "TROG"
That's correct
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