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Search: Posts Made By: Jack Shaft
Forum: Model A (1928-31) Today, 04:30 PM
Replies: 14
Views: 553
Posted By Jack Shaft
Re: Connecting Rod (Insert) Question for rebuild

Yes sir..'rocking back and forth' is called oscillation
Forum: Model A (1928-31) Today, 02:09 PM
Replies: 13
Views: 1,004
Posted By Jack Shaft
Re: Rebuilt Model A Engine: What do I have?

No I didn't say that,I said its 'on its last cut in my book' meaning in my opinion I wouldn't run it beyond that in a performance build. The key words being "my" and 'I'...torsional vibration with a...
Forum: Model A (1928-31) Today, 01:44 PM
Replies: 26
Views: 625
Posted By Jack Shaft
Re: How difficult would it be to convert this water heater from 12V to 6V?

I stay current :) on the latest in electrical control for mobile equipment. Isolation of circuits and reducing switch load through the use of relays provides a method of controlling a wide variety of...
Forum: Model A (1928-31) Yesterday, 09:22 PM
Replies: 26
Views: 625
Posted By Jack Shaft
Re: How difficult would it be to convert this water heater from 12V to 6V?

When comfort and covienience merges,a 12 volt system is the answer.Component cost is lower and the selection is better.
Forum: Model A (1928-31) Yesterday, 01:26 PM
Replies: 15
Views: 737
Posted By Jack Shaft
Re: Fs ignitions

The biggest reason for the Petronix is adaptive dwell, the hall effect impulse is modulated to provide consistent coil soak.

Many model A owners don't realize the ground path Ford used to...
Forum: Model A (1928-31) Yesterday, 01:15 PM
Replies: 20
Views: 647
Posted By Jack Shaft
Re: 32 model b engine

May I suggest buying his book, its a wealth of information.
Forum: Model A (1928-31) Yesterday, 01:13 PM
Replies: 20
Views: 647
Posted By Jack Shaft
Re: 32 model b engine

Yes, basically you'll end up with an early '32 dynamically balanced crankshaft, as long as no damage was done during the removal. The first engine pictured has homemade weld on counterweights, the...
Forum: Model A (1928-31) Yesterday, 12:12 PM
Replies: 15
Views: 368
Posted By Jack Shaft
Re: Popping carb

check the timing gear.
Forum: Model A (1928-31) Yesterday, 12:09 PM
Replies: 20
Views: 647
Posted By Jack Shaft
Re: 32 model b engine

Ford engineering identified a number of improvements during the A's run. Ford decided to incorporate them all at one time with the 'New and Improved' 4 cylinder engine.

Larger crankshaft journals,...
Forum: Model A (1928-31) Yesterday, 10:27 AM
Replies: 14
Views: 553
Posted By Jack Shaft
Re: Connecting Rod (Insert) Question for rebuild

Its a slip fit as you know,piston expansion from heat keeps it tight.

Gene the proper name for what you describe is the 'fillet' the radius cut where the crankshaft journal meets the throw
Forum: Model A (1928-31) 01-23-2021, 01:00 PM
Replies: 14
Views: 553
Posted By Jack Shaft
Re: Connecting Rod (Insert) Question for rebuild

Yes, its that easy.I would provide the new rods with inserts to the machinist so he can fit them correctly to the crankshaft journal. Its important to work with the actual parts. Have pistons...
Forum: Model A (1928-31) 01-23-2021, 12:24 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

Total running length main bow : 80"
Length of main bow leg to top of main bow
measured square : 27"
Length of curve,main bow top to leg 10"

Bow is set at 45 angle to the B pillar,the...
Forum: Model A (1928-31) 01-22-2021, 04:48 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

Main bow is what thats called,there is a top bow too..gimme a bit I'll run up some measurements..
Forum: Model A (1928-31) 01-22-2021, 02:21 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

I have a classitique top,all needed hardware and soft goods along with two types of welting, snaps and tacks..harrtz stayfast black..including instructions and shipping just at a grand..Mike at...
Forum: Model A (1928-31) 01-22-2021, 12:57 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

My friends tin top..I was going to go this way till I hit 4k at the indian casino :)
Forum: Model A (1928-31) 01-22-2021, 12:55 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

Here's mine...she aint no prom date either
Forum: Model A (1928-31) 01-22-2021, 12:39 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

A friend had a tin top on his...looks like a tinsmith did it..followed the top lines perfectly. Im not restoring my car for show,I'm doing a ground up for me..so far I'm happy with the job I've...
Forum: Model A (1928-31) 01-22-2021, 12:09 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

I agree with the importance of the look,its critical..but thecost is a factor as well. Putting 5k in a top is out of whack with the cars value.
Forum: Model A (1928-31) 01-22-2021, 12:04 PM
Replies: 31
Views: 1,604
Posted By Jack Shaft
Re: Help with an engine noise...

Trying to peel .001 off can be fun.Original ones were steel,some feel the brass doest provide the support steel does.
Forum: Model A (1928-31) 01-22-2021, 11:06 AM
Replies: 31
Views: 1,604
Posted By Jack Shaft
Re: Help with an engine noise...

be careful with the fingers and give it a try.. they are stamp cut, it looks like solid brass.
Forum: Model A (1928-31) 01-22-2021, 11:03 AM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

My car is modified, I went with Harrtz stayfast fabric. The kit was right around 1000 bucks.. installation? volume 5 of the MAFCA series estimate 40 to 60 hours, but I don't think they used a kit. My...
Forum: Model A (1928-31) 01-22-2021, 10:42 AM
Replies: 31
Views: 1,604
Posted By Jack Shaft
Re: Help with an engine noise...

The BB crankshaft was the heaviest crankshaft Ford offered, total rotating mass weight at 130 lbs. Rotating mass dampens vibration and stores kinetic energy, good for smooth operation. Racers don't...
Forum: Model A (1928-31) 01-21-2021, 10:04 PM
Replies: 26
Views: 734
Posted By Jack Shaft
Re: Sport Coupe Roof

The instructions with the top I purchased mention it being one of the most difficult tops to install. From precision cuts to tacking patterns to rear flap setup it does appear to be an involved...
Forum: Model A (1928-31) 01-21-2021, 09:50 PM
Replies: 31
Views: 1,604
Posted By Jack Shaft
Re: Help with an engine noise...

Thats a BB crankshaft with swedged on counterweights.
Forum: Model A (1928-31) 01-21-2021, 05:37 PM
Replies: 13
Views: 1,004
Posted By Jack Shaft
Re: Rebuilt Model A Engine: What do I have?

I worked field service in the Bay area for over 35 years..yep without a doubt the Bay Area and the city has changed..still get to the old Kaiser Shipyards (now an industrial park) occaisionally and...
Showing results 1 to 25 of 500

 
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