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G50 Transmission Mount Replacement

The earlier (pre-86) 915 transmission in the 911 Carrera used the same mounts that are used for the engine. The later cars with their Getrag G50 used a cross bar to support the nose of the transaxle and it had pressed in bushings that were not replaceable. The original idea was you would replace the whole bar, which these days is either unavailable, or over US$2,000 or you buy one used. Or you buy a press for a tick over $100, and new bushes for about $150 and go have a car

Pedal Boards

A few salty thoughts about pedal boards Thought #1 - get a board with a power supply. Chasing dead batteries is for suckers. Constantly...

Saving a Hammond Organ

I bought this Hammond M3 with a Leslie 145 cabinet from a friend who was moving and needed to clear out his recording studio. They were...

JTM45 Build + OT Notes

Since I was building a 5F6-A Bassman, the amp that was copied to make the first Marshall, I thought it would be informative and fun to...

1965 JMI Vox AC30 TB

A Sept 1965 Super Twin Trapezoid head amp, rescued from eBay. [Updated for clarity] I had wanted an AC30TB for many years, but they were...

5F6-A Bassman Build

The mother of all guitar amps, originals still sell for north of $10,000 64 years later. So build vs buy is once again, a no brainer....

ST-70 Gets a VTA Driver Board

The ST70 has always had a pretty great output section but the driver could use a little more attention. From the hard to find 7199 tube...

1952 Fender Pro Amp

The 5B5 Fender Pro was made from 1951 until 1954. They featured octal pre-amp tubes until roughly the summer of 1953 when they switched...

Klipsch Cornwall cross-over re-build

My Cornwalls are from the early 1980s and as such their signal capacitors were over 30 years old. While they still worked ok, better...

Princeton Reverb build

Another small amp whose pricing has gone bonkers since the pandemic. Build vs Buy is an easy one now. Same basic drill as the 5E3, board,...

Shellac tips for Fender Tweed amps

Pics and notes about getting good results You don't need much, just a warm dry day and a couple of basics: For a classic finish, we'll...

5E3 Build

Assembly hints here for the DIY crowd. The narrow panel Fender Deluxe Amp (circa 1957-59) is one of the all time greats. Used by too many...

OG Guitar Amp History

Not the last word, but a few hundred on the most popular & I'd argue important circuit topology of all time when it comes to rock and...

Used Oil Analysis (UOA) Results

With an older car it just seems to make a lot of sense to send out a used oil sample and see what is going on inside the engine. This...

Chasing my first oil leak

Quick timeline: Changed the oil at 119k Miles or so (Jan 8) Got my UOA back and it recommended fuel injector cleaner because it looked a bit like we might be getting gasoline contamination in the oil (Jan 16) Added FI cleaner to a full tank of gas and drove around. (Jan 18 it arrived. Didn't add it for another week?) Noticed a small oil leak on the floor (Jan 29) Located what I thought was the source, and then did a pretty thorough cleaning Had leaks overnight but then they

Vox-AC50 MkII (early)

This is an amp head I bought on ebay years back. The AC50 is perhaps most famous as an amp head the Beatles used for a very short time....

Why do you use snow tires?

My old 1997 M3 4dr enjoying a blast through the snow. Proper snows and a limited slip differential made this fun rather than scary. Our...

The Magic of AlNiCo

I am not aware of any other single material in musical instrument manufacture with such a cult following, and such a lot of confusion....

All about tuning

Well, maybe not "all", but a decent start... Our host, Pythagoras (Image: World History Encyclopedia) Tuning is surprisingly complicated....

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