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Search: Posts Made By: rotorwrench
Forum: Model A (1928-31) Yesterday, 11:59 AM
Replies: 16
Views: 674
Posted By rotorwrench
Re: Front Frame Crossmember

Cold Rolled is kind of a misnomer since it is hot formed before it's cold formed. We are also referring to sheet metal and not formed structural components. Draw quality steel is what is used for...
Forum: Model A (1928-31) Yesterday, 10:10 AM
Replies: 12
Views: 346
Posted By rotorwrench
Re: Lightswitch malfunction

Ford kept improving on it from day 1. I think there are 4 or 5 different changes up to 1937. Most of the problems are now with the reproduction parts that try to copy the final version. Switch block...
Forum: Early V8 (1932-53) 02-25-2020, 07:07 PM
Replies: 11
Views: 345
Posted By rotorwrench
Re: 1949 Ford 8n Tractor

One thing that gave a leg up for the Ford Ns is the fact that there were a lot of them over in China before the Nationalists got kicked out. The Red Chinese government copied the damn things and...
Forum: Model A (1928-31) 02-25-2020, 05:33 PM
Replies: 6
Views: 373
Posted By rotorwrench
Re: Cubic Inches

For a 4-cylinder, it's already pretty big. Even Ford's 800 series tractor engines never got that big but they had overhead valves as a major advantage.

If Ford had used that bore and stroke to...
Forum: Late V8 (1954+) 02-25-2020, 03:13 PM
Replies: 9
Views: 257
Posted By rotorwrench
Re: I am ignorant and proud of it!

Running positive ground gave the low 6-volt system a small advantage due to direction of electron flow. With 12-volts the advantage is negligible. Your negative ground system will likely work OK but...
Forum: Late V8 (1954+) 02-25-2020, 03:02 PM
Replies: 18
Views: 313
Posted By rotorwrench
Re: 1957 Thunderbird temperature gauge working backwards

Welcome to the wonderful world of crap restoration parts. Do not feel alone. Someone likely has a usable used one out there. They should be the same for all the Ford vehicles in that range. Fuel...
Forum: Early V8 (1932-53) 02-25-2020, 02:53 PM
Replies: 7
Views: 210
Posted By rotorwrench
Re: Horn for a 39 1 ton truck.

The green bible calls out P/N 81C-13833 for commercial & truck from 38 thru 41 without bracket. There are different ones for longer wheel base trucks and COE trucks. It has a divergent cone projector...
Forum: Early V8 (1932-53) 02-25-2020, 02:34 PM
Replies: 38
Views: 1,785
Posted By rotorwrench
Re: Now it's junk from Carpenter!

I applaud anyone fabricating parts as good as Ford did for any model. When I was purchasing parts for my Model A years ago, I started doing business with Bratton's for the simple reason that they...
Forum: Early V8 (1932-53) 02-25-2020, 02:21 PM
Replies: 11
Views: 345
Posted By rotorwrench
Re: 1949 Ford 8n Tractor

There are some that are general tractor or old engine communities as well. There are 9N/8N owners that frequent on here too. I still regularly use a 1956 Ford 800 series model 850 myself.

Since...
Forum: Model A (1928-31) 02-25-2020, 02:12 PM
Replies: 3
Views: 145
Posted By rotorwrench
Re: Rumble seat lid

I'd say it's likely that there was some corrosion there that wasn't killed or removed. The old deck lids do like to corrode on the inner skin. I'm going to have to take the outer skin off to repair...
Forum: Model A (1928-31) 02-25-2020, 01:59 PM
Replies: 9
Views: 571
Posted By rotorwrench
Re: First (second really) 5 main aluminum block.

Ford delt with cooling in the last of the flatheads by opening up the cylinder head in the back and forcing more coolant to flow back there. I don't know if I'd worry about it much. The 24 stud V8...
Forum: Model A (1928-31) 02-25-2020, 01:48 PM
Replies: 13
Views: 494
Posted By rotorwrench
Re: When going for SCAT crank should you lighten flywheel? If so, how much?

The torque factor changes with less kinetic energy. Too little kinetic energy can lead to rod stretch if rpm gets too high too quick. Scat crank sometimes like to crack. An aluminum flywheel would...
Forum: Model A (1928-31) 02-25-2020, 01:37 PM
Replies: 6
Views: 373
Posted By rotorwrench
Re: Cubic Inches

I come up with 204.6 CID. A person can see though that it doesn't change all that much. Even if you go 0.125" oversize it would only be 213.6 CID. I still use bore radius squared X pie X stroke X...
Forum: Late V8 (1954+) 02-25-2020, 10:42 AM
Replies: 18
Views: 313
Posted By rotorwrench
Re: 1957 Thunderbird temperature gauge working backwards

While I'm not a fan of the chopper style voltage regulators, they will regulate the current somewhat to the systems they serve. The sending units are also breaker units to regulate current so having...
Forum: Late V8 (1954+) 02-25-2020, 10:25 AM
Replies: 45
Views: 1,115
Posted By rotorwrench
Re: '54 / '55 Fordomatic ID ?

They started using the oil cooled transmissions early in 1956 for the T-birds. T-bird transmissions had an extra plate in the clutch pack but otherwise were nearly identical to the other Ford units...
Forum: Early V8 (1932-53) 02-25-2020, 09:53 AM
Replies: 22
Views: 548
Posted By rotorwrench
Re: 39-40 coupe struts

I agree with others that the stance is really not to bad from the photos provided. A lot of times the old springs get crusty and don't move well for compression or rebound. A new spring or a...
Forum: Early V8 (1932-53) 02-25-2020, 09:36 AM
Replies: 38
Views: 1,785
Posted By rotorwrench
Re: Now it's junk from Carpenter!

I wonder who made the good ones? Since 2008, a lot of restoration part and service companies have either died off or gone corporate. We all know what happens with the corporate world. It took a long...
Forum: Model A (1928-31) 02-25-2020, 09:15 AM
Replies: 16
Views: 674
Posted By rotorwrench
Re: Front Frame Crossmember

Cold rolled steel of the same gauge thickness can be formed to act as a patch. Hot rolled is too hard. Back in the day folks would use 6011 rod and an ark welder after V-ing the edges to be welded....
Forum: Model A (1928-31) 02-25-2020, 08:59 AM
Replies: 7
Views: 354
Posted By rotorwrench
Re: Would a May29 motor have a 3 and 1/4 inch long ID pad?

That explains why I haven't seen any more narrow than the width of the coolant boss. I've not worked on any before Feb 29. Most of the changes were within the 1st 13-months of production.
Forum: Late V8 (1954+) 02-24-2020, 09:52 PM
Replies: 18
Views: 313
Posted By rotorwrench
Re: 1957 Thunderbird temperature gauge working backwards

When I or someone else rewires a complete vehicle or even partially if the circuit problem is related to that replacement/repair action, it's time to isolate the circuit wiring in the problem system...
Forum: Model A (1928-31) 02-24-2020, 09:16 PM
Replies: 2
Views: 250
Posted By rotorwrench
Re: Restoring a original red steering wheel...

The red phenolic/formaldehyde resin is a different critter than the hard rubber that came later. It is a close relative of bakelite. If the surface is getting compromised by weathering, painting the...
Forum: Model A (1928-31) 02-24-2020, 08:43 PM
Replies: 7
Views: 354
Posted By rotorwrench
Re: Would a May29 motor have a 3 and 1/4 inch long ID pad?

Ford didn't make a lot of changes to the engine block during it's normal production run. Most of the blocks I've seen have a stamping boss the same width as the coolant port boss just below it. If...
Forum: Model A (1928-31) 02-24-2020, 08:17 PM
Replies: 6
Views: 237
Posted By rotorwrench
Re: Correct wiper motor for 82-A pickup

As far as powered units are concerned, it could be electric or vacuum since Ford eventually went pretty much to vacuum operated in 1930 for cars that came with them as standard. If a person wants to...
Forum: Model A (1928-31) 02-24-2020, 08:07 PM
Replies: 9
Views: 571
Posted By rotorwrench
Re: First (second really) 5 main aluminum block.

Welcome to the 21st Century 200 CID Ford. What a jewel. That's going to be the cat's meow for the hot rod 4-banger guys.
Forum: Model A (1928-31) 02-24-2020, 08:02 PM
Replies: 11
Views: 329
Posted By rotorwrench
Re: Battery cable size?

With low voltage like 6-volt, any excessive resistance in the line will reduce the voltage enough to kill its effectiveness. 1 AWG cable would be the norm for 6-volt but anything larger would just be...
Showing results 1 to 25 of 500

 
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