Teague On Tech: Q & A with Bob Teague June 2022

As seen in Speedboat Magazine’s
JUNE 2022 Issue.

Water Flow
Restriction

Dear Bob:

Q. My boat is equipped with a MerCruiser 7.4L Bravo One package. I am having a high speed overheating problem and the local marina is having trouble figuring it out. They’ve replaced the raw water pump, thermostat, and exhaust risers, but the engine still overheats at higher rpm. Any suggestions you can provide would be awesome.
Thanks,

Todd Walker
Marina Del Rey, CA

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Teague On Tech: Q & A with Bob Teague May 2022

As seen in Speedboat Magazine’s
MAY 2022 Issue.

SEVERE Overheating

Dear Bob:

Q. I have a Formula 272 with a MerCruiser
502 Magnum engine coupled to a Bravo
III outdrive. The exhaust is routed through
the drive unit. It’s a freshwater lake boat.
I’m very meticulous and have used Mobil
1 oil since break-in completion. The engine
has had over the top maintenance in every respect. It now has about 350 hours of use.

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Teague On Tech: Q & A with Bob Teague March 2022

As seen in Speedboat Magazine’s
March 2022 Issue.

Johnson Lifter Options

Dear Bob:

Q. I am building a 540 cubic inch engine with a Mark IV GM block. I am looking to purchase hydraulic roller lifters. I plan to run a cam with .632″ lift. I noticed there is a Johnson standard lifter and a Johnson high lift lifter. Could you recommend one over the other? Thanks!

Byron Scholle
Cincinnati, OH

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Teague On Tech: Q & A with Bob Teague November/December 2021

As seen in Speedboat Magazine’s
November/December 2021 Issue.

HYDRAULIC ROLLER LIFTERS

Dear Bob:

I am building a 540 cubic inch Mark IV big block Chevy. I am looking at hydraulic roller lifters. I plan to run a cam with .632″ lift. I noticed there is a Johnson standard lifter and a Johnson high lift lifter. Could you recommend one over the other? Thanks!

Byron Scholle  
Cincinnati, OH

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