Forum: Model A (1928-31)
12-29-2024, 01:58 PM
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Replies: 21
Views: 2,498
Backfiring
When I let up on the accelerator at cruising speed, the engine lets out a soft pop, also when I go downhill with the engine in 3rd gear and foot off the accelerator I hear soft pops. What causes...
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Forum: Model A (1928-31)
07-19-2024, 12:24 PM
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Replies: 5
Views: 1,308
Re: ignition coil ballast resistor
I appreciate all the responses above. They have cleared up the question for me. Oddly, I have a 12volt coil labeled as "super hot " that measures 1.5 ohms so I installed it with a 1.5 ohm ballast...
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Forum: Model A (1928-31)
07-05-2024, 09:33 AM
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Replies: 5
Views: 1,308
ignition coil ballast resistor
I have tried to search this question but no results. I have a 12v system on my four-door leatherback. I am trying to choose the proper coil. I have a 12v coil that says it has a resistor built in....
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Forum: Model A (1928-31)
12-23-2021, 01:53 PM
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Replies: 8
Views: 4,777
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Forum: Model A (1928-31)
12-20-2021, 10:29 AM
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Replies: 8
Views: 4,777
Engine ticking noise
My engine has a ticking noise that increases with rpm and can be heard at idle when stopped. I think it is a valve clearance noise. If it is valve noise is it normal? I have heard it on some other...
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Forum: Model A (1928-31)
05-28-2021, 05:46 PM
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Replies: 5
Views: 1,640
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Forum: Model A (1928-31)
03-29-2021, 02:25 PM
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Replies: 10
Views: 2,762
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Forum: Model A (1928-31)
11-17-2020, 08:15 AM
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Replies: 30
Views: 8,520
Re: Pacemakers and Model A ignition systems
I am reactivating this old thread to bring this subject to the attention of the group. My post #1 explains the issue. I have since had more MRI's and the Medtronic unit has made it possible. Just...
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Forum: Model A (1928-31)
11-06-2020, 09:52 PM
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Replies: 21
Views: 5,886
Re: TDC Finder
A lot of adieu about nothing. What's wrong with watching for the rotor to come to the #1 post on the distributor housing? when it gets close slow down and use the pin on the timing gear.
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Forum: Model A (1928-31)
11-06-2020, 09:36 PM
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Replies: 11
Views: 3,104
Re: Car fails to acheave high speed
Dann, There is a hard stop---no screw adjustment--- on the throttle against the carb. The accelerator rod should allow the throttle to touch the stop. Check that the hand throttle does too. Bill G
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Forum: Model A (1928-31)
11-03-2020, 07:38 PM
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Replies: 20
Views: 5,067
Re: Starter Bendix bolt broken
Two things to talk about: 1---try a rare earth magnet, one about the size of a quarter, put it on the ring gear, turn it around with the crank and the bolt should be attached to it when it comes...
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Forum: Model A (1928-31)
11-02-2020, 01:58 PM
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Replies: 11
Views: 3,104
Car fails to acheave high speed
A friend of mine recently complained that his new car (to him) was not able to go faster than 40 mph and was unable to climb grades very fast and barely made it to the top of steep grades. He changed...
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Forum: Model A (1928-31)
09-12-2020, 09:59 AM
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Replies: 47
Views: 6,318
Re: Dead Pertronix Coil
After reading many posts on this forum in the past months I have learned that oil-filled coils should be mounted terminals up on an A. If they are tar or epoxy-filled they can be mounted either way....
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Forum: Model A (1928-31)
08-14-2020, 10:55 AM
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Replies: 5
Views: 1,382
Re: Trouble changing fan belt
Again, it doesn't matter. The space is fixed between the crank pulley rim and engine mount flange as long as the mount is attached to the engine. And the starting crank does enter the bushing -- ...
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Forum: Model A (1928-31)
08-14-2020, 09:12 AM
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Replies: 5
Views: 1,382
Trouble changing fan belt
I can not change my fan belt without removing the front engine mount screws from the engine and raising the engine about 1/16" to let the belt pass through the gap between the crank pulley rim and...
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Forum: Model A (1928-31)
08-10-2020, 05:03 PM
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Replies: 6
Views: 1,633
Re: Shifting problem with all new gear box parts
Problem was shifting from 1st to 2nd across the middle and occasional lockup at intersections. Poeple don't like old cars that hols up traffic.
Looked at alignment of forks on the shifting shafts...
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Forum: Model A (1928-31)
08-09-2020, 11:47 AM
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Replies: 6
Views: 1,633
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Forum: Model A (1928-31)
08-08-2020, 07:57 PM
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Replies: 6
Views: 1,633
Shifting problem with all new gear box parts
Some time ago Tom Endy posted that the repo shifting forks are questionable. I don't have ready access to old parts. Could someone tell me what is wrong with the repo parts so I can get them fixed? ...
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Forum: Model A (1928-31)
07-21-2020, 12:51 PM
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Replies: 3
Views: 1,329
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Forum: Model A (1928-31)
07-21-2020, 09:24 AM
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Replies: 3
Views: 1,329
engine RPM vs MPH
Can someone refer me to an engine rpm vs mph chart? I saw one recently that showed all three gears but can't find it now. Thanks, Bill G
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Forum: Model A (1928-31)
07-17-2020, 08:20 AM
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Replies: 13
Views: 4,886
Re: Coil Resistance
Thanks for all the good replies.
I am currently using a 1.5 amp coil from Bratton's with a ceramic ballast wired in series in the red line passenger side -- negative ground.
Road test...
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Forum: Model A (1928-31)
07-15-2020, 07:02 PM
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Replies: 13
Views: 4,886
Coil Resistance
I have a problem with coil resistance. I think I am doing everything right by using a 1.5-ohm coil with a 1.5-ohm ballast resistor and a 12volt coil.
When I run the car up to 45mph I get...
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Forum: Model A (1928-31)
06-25-2020, 06:24 PM
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Replies: 24
Views: 8,792
Re: Poor quality transmission roller bearings
Has anyone had a problem with new Bratton's bearing causing growling noise when first installed? There have been 2 transmission rebuilds in my club in the last week that have serious growling noise...
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Forum: Model A (1928-31)
05-14-2020, 09:06 PM
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Replies: 13
Views: 3,115
Re: oil leaking friom shift tower
I'm using an SAE 140 gear oil from an auto supply store. Supposed to be the same as 600W but maybe not. There is a little oil accumulating under gear housing and a small streak of oil running down...
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Forum: Model A (1928-31)
05-14-2020, 05:07 PM
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Replies: 12
Views: 6,010
Re: Distributor Oiling
I use the tube of lube oil from A suppliers. Also, I have started to remove the dist housing from the head once a year and look for rust in the hole at the interface of the dist shafts. They cake up...
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