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Search: Posts Made By: Jim Brierley
Forum: Model A (1928-31) 09-24-2020, 12:12 PM
Replies: 16
Views: 1,122
Posted By Jim Brierley
Re: Adjustable Tappets

I recommend the "rule of nines". With #1 valve fully open, adjust #8 valve. (8+1=9) Continue down the line, 7+2=9, etc.
Forum: Model A (1928-31) 09-24-2020, 12:06 PM
Replies: 13
Views: 821
Posted By Jim Brierley
Re: Camshafts

Use larger than 1" lifters. 1" may be OK on a stock cam but not for a performance cam. Most adjustables today are larger than some used several years ago.
Forum: Model A (1928-31) 09-23-2020, 11:34 AM
Replies: 13
Views: 821
Posted By Jim Brierley
Re: Camshafts

the B cam is better than the A cam, but not "greatly". Also, B cams came in 3 different versions, .305", .315" and .339" lifts. The .339 also has slightly more duration than the others. I grind...
Forum: Model A (1928-31) 09-23-2020, 11:26 AM
Replies: 16
Views: 869
Posted By Jim Brierley
Re: T5 Valley Machining Kit

The T-5 works really well in the Model A. I have one in my Vicky, it also has an OHV conversion and hydraulic brakes. If you are going to much freeway driving, brake improvements are definitely...
Forum: Model A (1928-31) 09-22-2020, 11:13 AM
Replies: 13
Views: 658
Posted By Jim Brierley
Re: Timing gear

I'm a racer of the A/B Fords. I use bronze gears on my Bonneville engine but aluminum on my street engines, which I also run on hill climbs. Aluminum is plenty strong and reliable.
Forum: Model A (1928-31) 09-21-2020, 10:24 AM
Replies: 13
Views: 821
Posted By Jim Brierley
Re: Camshafts

Ford made 3 different 5-brg. cams. First all 5 brgs. were finish-ground to the same size to match the blocks being used. 2nd series #2 & 4 were finish-ground to a smaller diameter to make...
Forum: Model A (1928-31) 09-20-2020, 01:36 PM
Replies: 17
Views: 669
Posted By Jim Brierley
Re: Purpose of dual points?

Miff, I don't know but I think only about 30*. Winfield, and maybe others (?) made replacement dist. cams to get more dwell out of the original system. Modern 4 cyl. engines have 40-45* dwell.
Forum: Model A (1928-31) 09-20-2020, 01:30 PM
Replies: 29
Views: 927
Posted By Jim Brierley
Re: Hard turning with new pistons

.002" was the max piston clearance recommended by Ford when new, with todays pistons and the roads and speeds we drive on, that is not enough, they will stick in the bores, and scar the block and...
Forum: Model A (1928-31) 09-19-2020, 12:31 PM
Replies: 17
Views: 669
Posted By Jim Brierley
Re: Purpose of dual points?

1930-pickup has it right. Dual points also extend point life a little, but are not really needed on 4 cyl. engines as they have more dwell time, by their nature, than 6 or 8 cylinder cars. (they...
Forum: Model A (1928-31) 09-19-2020, 12:23 PM
Replies: 6
Views: 528
Posted By Jim Brierley
Re: Steel Wheels

50-60's Lincoln, Chrysler, '48 Ford, all are 15", plus who knows what all. These come in different widths, all are 5 on 5 1/2" bolt pattern.
Forum: Model A (1928-31) 09-18-2020, 12:23 PM
Replies: 26
Views: 904
Posted By Jim Brierley
Re: Dual Condensers?

At GMC back in the 50's we installed a radio suppressor (looked like a condenser) on the coil and generator when installing a radio, for noise suppression. I think it went on the positive side. A...
Forum: Model A (1928-31) 09-18-2020, 12:14 PM
Replies: 14
Views: 693
Posted By Jim Brierley
Re: 600w vs 90w

I've been using 85W-90 for years, and it rarely gets cold here. Cold here is comfortable in AK. Modern oils are far superior to vintage stuff.
Forum: Model A (1928-31) 09-17-2020, 11:18 AM
Replies: 7
Views: 376
Posted By Jim Brierley
Re: Mixing lifters

Absolutely no problems. All mechanical things are stupid, #1 doesn't know or care what #2 is doing!
Forum: Model A (1928-31) 09-17-2020, 11:14 AM
Replies: 30
Views: 1,114
Posted By Jim Brierley
Re: Wheel interchange

Ruth, you are absolutely right! During WII, 19's and 21's were not available.
Forum: Model A (1928-31) 09-17-2020, 11:09 AM
Replies: 8
Views: 393
Posted By Jim Brierley
Re: Coating the armature . . .

Should work fine.
Forum: Model A (1928-31) 09-17-2020, 11:07 AM
Replies: 16
Views: 605
Posted By Jim Brierley
Re: PCV valve good idea?

A lot of replies, not many to the question you asked. My answer ... no disadvantage. I do similar to what Bob does, also with good results. A vacuum in the crankcase can also increase horsepower,...
Forum: Model A (1928-31) 09-16-2020, 11:25 AM
Replies: 30
Views: 1,114
Posted By Jim Brierley
Re: Wheel interchange

You can also use 1935 Ford 16" wheels or 16" Kelsey-Hays wheels. Later Ford wheels have the same bolt pattern but need a spacer to prevent wheel cracking.
Forum: Model A (1928-31) 09-15-2020, 04:52 PM
Replies: 8
Views: 364
Posted By Jim Brierley
Re: Lack of power/rpm

Lower compression engines need more spark advance in comparison to higher compression. The mixture burns slower, in higher compression engines, the fuel molecules are closer together, so burn faster.
Forum: Model A (1928-31) 09-14-2020, 11:54 AM
Replies: 7
Views: 255
Posted By Jim Brierley
Re: Remove rear axle seal

I sometimes use an old valve that has has 3/4's of it ground off, maling an 'L' shaped tool. 216 Chevy valves are long stemmed, so work well.
Forum: Model A (1928-31) 09-14-2020, 11:51 AM
Replies: 6
Views: 430
Posted By Jim Brierley
Re: Follow up to the "counter weight" thread.

You are looking at the Model A from a modern perspective. The automobile, and everything else, developed progressively, not "once made and perfection achieved". Henry believed in cost control. ...
Forum: Model A (1928-31) 09-13-2020, 02:58 PM
Replies: 22
Views: 990
Posted By Jim Brierley
Re: MHS Students Model A

Try your local Model A club, you may even get a donor???
Forum: Model A (1928-31) 09-13-2020, 02:56 PM
Replies: 18
Views: 1,444
Posted By Jim Brierley
Re: Hi Compression Heads

I don't agree that a 6:1 will out perform a 7:1, makes no sense. More compression and a bigger carb are the quickest, easiest and least expensive ways to increased power.
Forum: Model A (1928-31) 09-11-2020, 11:54 AM
Replies: 22
Views: 990
Posted By Jim Brierley
Re: MHS Students Model A

Please keep us posted on your project, and tell us what you need in the way of parts, etc. I have donated re-ground cams to student projects in the past, and am willing to do so for you.
Forum: Model A (1928-31) 09-10-2020, 01:23 PM
Replies: 3
Views: 308
Posted By Jim Brierley
Re: Ford Clutch

49-53 Fords used a 9 1/2" clutch (I think) and a different spline in the disc. The most commonly used clutch is the earlier 9" version, used in the late 30's and early 40's. Ford tractor clutches...
Forum: Model A (1928-31) 09-07-2020, 10:36 AM
Replies: 24
Views: 1,001
Posted By Jim Brierley
Re: Fumbled a piston

I think it is good enough to use. The damage is not on the thrust side, and is small enough that it shouldn't cause imbalance.
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