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front valence is later MKII, too. Not that that means much on a race car.

If memory serves, VARAC up in Canada was one of the very first vintage racing organizations, and started in the mid 1970's with car cutoff of 1961, or 15 years old. That got you MG's, Lister Jags,...

Keeping in mind that this is necessarily a generalization, this is how I have come to understand typical early generation formula car rear suspension. Don't crucify me if I get some of it wrong,...

This will take a little inspecting. A lot of Bosch starters that I've seen were direct drive starters - the pinion was on the motor shaft itself. If you take a look inside, or ask your rebuilder,...

Which Formula Mazda - tube frame or carbon tub car?

How wide do you want them to be? You can buy 10" Mini wheels up to around 8", and there are three piece wheels that could probably be wider than that. Tires to put on them may be another issue...

I bet it's from the last input shaft seal, and it's been in there for years...

Keep in mind that the MK 11A came on extremely soft springs, and had quite a high ride height. Modern spring rates and ride heights mean the springs will rattle comprehensively on those shocks when...

If the box is well set up, it takes around 20 lbs of force to move a shift rod. Usually you can just grab the finger and pull out, or push in. To me it looks like you are in third gear, so just...

On Lola's like T440, T492 the final connection to the gearbox shift finger is a simple split slip joint with a clamp that bolts around it to tighten it up. Dead simple to adjust and never came loose...

I often found that poor idle characteristics were due to ignition timing being wrong for the combination of carb and cam at idle, so I would recurve the distributor. You could try swinging the...

Nice picture of my wife's car (the white Mercedes), in front of my shop, taken in around May last year judging by the lack of leaves and the colour of the grass. I sent you an email through the...

It totally depends on the build spec of the engine. The last Formula Junior A-series engine I built had around 13;1 compression, a lot of cam (it was a custom Elgin grind, around 300 degrees...

Just leave it in the trailer, it won't freeze anything at 30 degrees low temp overnight. The first time I went to this event I had to buy a 36" fan it was so hot, well over 90 degrees and...

Now the "vintage" mostly describes the attitude and the driver's age. They still don't allow touching on track with the 13/13 rule, which is kind of old school, and tractor trailer rigs with fly-in...

My question is if all the other east coast vintage racing groups who post their own rules will fall into line, or will there be SVRA legal cars that can't run anywhere else? And will I be allowed to...

For anyone looking at the small AGM batteries like the Odyssey PC-680 et al, here are some comments I made when trying to help a friend with a battery issue. It turned out that Enersys made every...

why did changing lug nuts hex diameter make your studs too short?

Brian

First off, it doesn't come up because people don't usually have 1" ID hoses on the outlets of their fuel cells. They either have AN-6 male fittings on anything made in the last 20 years or a little...

Look for a 38 degree mark. I used to always mark both. FWIW moving the distributor and not being able to check the timing after is always a bad idea. I once was fixing a guy's Formula Junior...

Ford Kent distributor rotates counter-clockwise, so to advance the timing you rotate the housing clockwise and to retard you rotate counter clockwise. You are moving the distributor towards the...

Pertronix modules are sensitive to poor grounding of their mounting plate inside the distributor all the way back to the block and main system ground. If you have an advance plate inside the...

If you run a Pertronix Ignitor ignition, you can run one of their matched coils. Stay away from Accel or MSD unless you take care to match their current draw (primary resistance) to the ignition you...

Really common up to around 1978 or so, the Crossle 30 that I am finishing has them. I think they were there so the frames didn't crack quite as quickly.

Brian

That is a modified Triumph spindle. I'd just leave it alone, and paint the rough bits black.

Brian

I have never had great luck with loosening ball joints in pressed in cups. I find it's usually down to the cup being warped after welding or bored to too tight a fit. I have resorted to honing and...

Lots of people over-shim the reverse spring to prevent engaging reverse by accident. Lots of shifter mechanisms have a restricted range of movement of the shift lever, and it's easy to adjust them...

To me, an engineer is a mechanic who happens to know why he's doing what he's doing. But I suppose to some people an engineer is a guy who knows why that other guy over there with dirty hands is...

Isn't that funny. I have one vehicle with different threads on each side of the vehicle, and it is normal right hand thread on the right side (passenger side in north america) and left hand thread...

The small one is an Aurora COM-8T-20 and the big one is an Aurora COM-10T-18. They are Aurora race car special parts, and aren't in their catalog but a main distributor can get them. I would call...

The way to remember is the scraper pulls the oil off the crank as it goes around and holds it down in the pan. The crank rotation is up on the intake side and down on the exhaust side (of that...

I have been known to make those from bar stock, and I have been known to use two AN-960 washers under a hardware store washer. I have never been known to spend a couple of bucks on a washer - too...

My new hobby: signing in to Apexspeed as someone else, resurrecting a really old thread and then secretly laughing at the people who respond before someone figures out it is a really old...

If your tank is the Pace round tank, I believe it ships with -12 AN fittings, which are too big for us. It uses AN O-ring fittings as adaptors, so you can buy -8 or -10 fittings to replace the -12. ...

If it ever rains when you are towing, you really do want an enclosed trailer. If it never ever rains, then an open trailer is fine. If you ever stop overnight on the way to a race, you want an...

Lithium ion batteries and lithium iron phospate (LFP) batteries both need to have a current limiting charger. The charge current needs to be limited by the charger to 1 X C, where C is the amp-hour...

What gauge of wire over-heated? What is the amperage output capacity of the alternator/

Brian

Probably the best bodywork would be from T.W. Mouldings in the UK. They do excellent work and have the original moulds from Lola. Pricy to ship, but just a nose wouldn't be too bad.

Brian

I would probably start by removing the rear ARB altogether, to maximize rear grip, and then try to stabilize the platform with front spring and front ARB. Springs stiff enough to keep the car off...

It all depends on the trailer.

Brian

There was close to 50 hours and $500 in paint in that body before it sat on the chassis right. All three pieces got cut and shut, the nose that is pictured was the worst but the tail got a lot of...

Just as a starting point I would probably find a vintage formula ford gearing recommendation for the track in question, work out the mph at 6800 rpm and translate that to mph at your tire diameter...

The reason it takes me a long time to do a gear change is how long it takes to clean the old goo off the flanges, mostly. Plus having to root around for a new tube of goo when the old one is all...

I spent a lot of time in Petawawa blowing things up in my youth... Artillery range, making small pieces of junk out of large pieces of junk, from 7 miles away...

Get to know David Clubine at...

How much oil do you need in your system? 4" diameter ID is 2.45 litres per foot, so your tank will have less than 5 litres capacity total, say 3.5 litres of oil with a decent head space for...

Are the parts trash, or are you replacing them proactively? I have literally never rebuilt the spider gear section of a diff, except for an old chevy truck. Even then I just installed a limited...

MK6 is about identical to MK4 and would have VW ring and pinion with an early Ford Zephyr differential.

Brian

In theory you heat the outer bearing housing part of the upright with a propane torch and the bearing and stub axle fall out. Then you can press the stub axle off the bearing (or pull the bearing...

Most advice is to avoid chrome plate on any stressed part due to increased cracking due to hydrogen embrittlement. There are ways around that with pre and post plating heat treatment but it's best...

Whatever it is, it's OK with me... I like it!

Brian