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Forum: Model A (1928-31) 03-12-2020, 02:36 PM
Replies: 28
Views: 1,494
Posted By wensum
Re: When going for SCAT crank should you lighten flywheel? If so, how much?

One member of the NZ Model A Club has fitted the pulley to his standard car and reports worthwhile improvements.
Forum: Model A (1928-31) 03-10-2020, 05:29 PM
Replies: 25
Views: 1,385
Posted By wensum
Re: Shortened Pitman Arm

I fitted a shortened pitman arm shortened by 2" and it certainly reduced steering effort but increased the amount one had to turn the wheel.
As I could only get full lock on one side, I fitted an...
Forum: Model A (1928-31) 02-27-2020, 02:59 PM
Replies: 28
Views: 1,494
Posted By wensum
Re: When going for SCAT crank should you lighten flywheel? If so, how much?

These are made in New Zealand "These dampers are made by Murray Horn in Levin N.Z. His Company is Engine Restorations Ltd. His email is horn@xtra.co.nz (horn@xtra.co.nz)
Murray says this is the...
Forum: Model A (1928-31) 02-27-2020, 02:53 PM
Replies: 28
Views: 1,494
Posted By wensum
Re: When going for SCAT crank should you lighten flywheel? If so, how much?

Yes, being a Kiwi it was an obvious route to follow, although like many I was very doubtful that it would make a difference to my problems.
In fact it was a miracle!
Forum: Model A (1928-31) 02-26-2020, 05:17 PM
Replies: 28
Views: 1,494
Posted By wensum
Re: When going for SCAT crank should you lighten flywheel? If so, how much?

In building a fast road engine for my speedster I had the flywheel reduced to 35lbs (fitting a diaphragm clutch) and the crankshaft had counterweights welded to it and all fastidiously balanced...
Forum: Model A (1928-31) 01-08-2020, 02:54 PM
Replies: 36
Views: 2,406
Posted By wensum
Re: High compression head choice.

One needs to realise the improvement in the quality of petrol since the Model A was new.
I run a 7:1 head, still low by todays standards and I am running it on 91 octane petrol without problems....
Forum: Model A (1928-31) 01-04-2020, 05:28 PM
Replies: 23
Views: 1,752
Posted By wensum
Re: U. S. Mail

Looks like the radius arms go back to brackets on the chassis instead of the bell housing to keep the king pin inclination angle right? (Castor)
Otherwise, interesting bracket to lower the front...
Forum: Model A (1928-31) 12-17-2019, 02:45 PM
Replies: 57
Views: 5,524
Posted By wensum
Re: Harmonic Balancer

Surely the sectional belt is only carried in the unlikely but not unknown possibility of a broken fan belt? Then it enables roadside repairs until a normal fan-belt can be fitted in a workshop?
Forum: Model A (1928-31) 12-07-2019, 02:50 PM
Replies: 20
Views: 1,491
Posted By wensum
Re: High compression head vs cooling

Our motor has a 7:1 head and considerably lightened flywheel plus dual Strombergs and the motor can idle as smoothly and slowly as a standard Model A.
Forum: Model A (1928-31) 12-01-2019, 03:45 PM
Replies: 8
Views: 866
Posted By wensum
Re: F150 overdrive

I have the 41.1% in my speedster which has a lighter body and improved motor and it pulls that ratio effortlessly. However, I was told that the 41.1% was ideal for V8s and the 37.9% for Model As, but...
Forum: Model A (1928-31) 11-16-2019, 04:42 PM
Replies: 49
Views: 2,699
Posted By wensum
Re: Who Remembers Model "A" Parts in the Sears Catalog?

When I restored my first Model A in '66, Sears was the only supplier of parts that I was aware of here in New Zealand and I bought a main gear cluster from them which did the job. Otherwise we went...
Forum: Model A (1928-31) 10-20-2019, 02:55 PM
Replies: 15
Views: 1,351
Posted By wensum
Re: IL-2 and AA collison

Was the aircraft's motor still going at the time of the crash? It looks like the prop may have started chopping into the cab?
Forum: Model A (1928-31) 10-19-2019, 05:15 PM
Replies: 20
Views: 1,389
Posted By wensum
Re: Model B crank in Model A

Back in the 60's I fitted a Model B crank, cam and flywheel to my Model A Block, keeping the B rods and grinding down the mains to fit. It proved to be a very smooth and relatively powerful motor...
Forum: Model A (1928-31) 10-14-2019, 03:50 PM
Replies: 9
Views: 585
Posted By wensum
Re: adjustable tappets

From my experience it is desirable to get the block machined first to lower the castings in the valve chamber to facilitate adjustment of the tappet setting, otherwise it is a very tedious process.
Forum: Model A (1928-31) 10-01-2019, 02:47 PM
Replies: 32
Views: 1,729
Posted By wensum
Re: Every 500 Miles!??

When we were young, we just kept topping them up with recycled oil and they went for-ever! Today, with an inserted engine and full flow filter, I change the oil at around 3000 mile intervals. If we...
Forum: Model A (1928-31) 09-28-2019, 03:22 PM
Replies: 16
Views: 1,096
Posted By wensum
Re: Radial tires and inner tubes

Thanks again, our car is used for long distance touring and cruises at anything between 90 and 110kph. So far after many miles, no problems with the tubes. The cynic in me wonders if it's a way to...
Forum: Model A (1928-31) 09-26-2019, 04:29 PM
Replies: 16
Views: 1,096
Posted By wensum
Re: Radial tires and inner tubes

Thanks Updraught, I read the thread material and really it still did not clarify the tube issue?
The Stahl Sport Radials fitted to my car have "tube type" on their side walls,
They were fitted by...
Forum: Model A (1928-31) 09-25-2019, 03:54 PM
Replies: 16
Views: 1,096
Posted By wensum
Re: Radial tires and inner tubes

When I fitted radial tyres to my A I simply re-used the original tubes without thinking that there could be any problems. So far, some many thousands of miles later there have been no problems. The...
Forum: Model A (1928-31) 09-18-2019, 04:02 PM
Replies: 15
Views: 678
Posted By wensum
Re: Resonant Rattle

A harmonic balancer pulley may solve your problem if it's an engine related vibration or timing gear rattle? As far as I'm concerned it's a miracle device and such a simple solution.
Forum: Model A (1928-31) 09-17-2019, 06:20 PM
Replies: 8
Views: 524
Posted By wensum
Re: Draglink has a slight kink in it.

I have a couple of slightly bent drag links, I think the tyre rubs against them on full lock?
Forum: Model A (1928-31) 08-28-2019, 04:05 PM
Replies: 21
Views: 1,996
Posted By wensum
Re: Speedometer test

Because I have an F150 gearbox my speedo is reading 75mph when I'm doing 62mph, so I use a Sat Nav (GPS) as a speedo.
One day in something of a hurry and having forgotten to attach the GPS we were...
Forum: Model A (1928-31) 08-27-2019, 03:52 PM
Replies: 30
Views: 2,523
Posted By wensum
Re: Balancing an engine at home (Newbie)

First fit a harmonic balancer pulley, You will be surprised at the transformation and it could save you a great deal of trouble and expense!
Forum: Model A (1928-31) 07-29-2019, 08:16 PM
Replies: 13
Views: 950
Posted By wensum
Re: Hot 4 Banger radiator question

My motor is similar spec to yours and I run an aluminium radiator. It appears to be running too cool most of the time and only in heavy stop-start traffic do I need to switch the electric fan on. I...
Forum: Model A (1928-31) 06-06-2019, 04:51 PM
Replies: 27
Views: 2,719
Posted By wensum
Forum: Model A (1928-31) 05-21-2019, 07:07 PM
Replies: 57
Views: 5,524
Posted By wensum
Re: Harmonic Balancer

Yes, but there was some concern about not being able to replace the fan belt if it broke and the discussion turned to how important is the fan and is it really necessary?
I was pointing out that as...
Showing results 1 to 25 of 429

 
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