Mark, the booster is for a 1980's Corvette, it was a left over from my brake system on the 59'. I decided to use a hydrobooster on the 59' as my cam doesn't produce enough vacuum. The vacuum booster was a pretty easy install, I made a template to avoid cutting the firewall any more than it had been already. As I said I added a backing plate inside the firewall to add more strength to the area.

These are a couple of boosters I was considering on using, both are small enough to not overcrowd the engine compartment.

Speedway 7” Booster

Speedway 8” Booster

Last edited by Phak1; 04/16/2025 12:27 AM. Reason: Made links hot
~ Craig
1958 Viking 4400
"The Book of Thor"
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1960 Chevrolet C10
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'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane