Category Archives: Technical Discussions

Breaking In Your Clutch

Posted on Friday, November 6, 2020 by Roger

Primarily for street and street/strip cars: THE IMPORTANCE OF CLUTCH BREAK IN EXPLAINED – Ram Clutches – October 29, 2020

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Black Magic Clutches – Interactive Clutch Tuning Podcast with Cale Aronson – April 23, 2020

Posted on Friday, April 24, 2020 by Roger

Excellent clutch tuning webinar by Cale Aronson: Part 1: https://youtu.be/X9KVkxnidDs Part 2: https://youtu.be/RMEmfuvRLio We confirmed by the webinar that we’re not very far off on our clutch settings. When we have the unit rebuilt we’ll lower the base … Continue reading →

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Matt Hartford takes you through building a Pro Stock transmission

Posted on Monday, August 12, 2019 by Roger

A very interesting video you may enjoy. Changing gears in our old Doug-Nash is similar but we only have one cluster shaft. The double cluster shafts as shown in the video make the Liberty transmission MUCH stronger! – Roger Watch … Continue reading →

Posted in Discussions, Pro Stock News, Technical Discussions, Videos | 2 Comments

Go through a Pro Stock clutch service with Matt Hartford – NHRA – June 27, 2019

Posted on Thursday, June 27, 2019 by Roger

Courtesy of NHRA: Watch this video on YouTube

Posted in Clutch, Discussions, Pro Stock News, Technical Discussions | Tagged Clutches | 2 Comments

Estimated Rear Wheel Horsepower

Posted on Saturday, March 31, 2018 by Roger

Estimated Rear Wheel Horsepower Chart

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Discussing Our Clutch Set-up and Quickest Pass to Date

Posted on Wednesday, July 13, 2016 by Roger

Watch this video on YouTube With stick cars, they run their quickest when they spin the rear tires a couple of revolutions on the hit as we did on this run. When it dead hooks it looks impressive but you … Continue reading →

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A look at the RAM single disc sintered iron clutch system

Posted on Friday, June 24, 2016 by Roger

A good look at the new Ram clutch which we have considered for future use in our ’57. [Note, we did install this new Ram clutch in the ’57 in late 2017] Our current Ram clutch does not use centrifugal … Continue reading →

Posted in Clutch, Discussions, Technical Discussions | Tagged Clutches | 4 Comments

Good Article on Valve Springs & Pushrods

Posted on Thursday, April 4, 2013 by Roger

Are your valve springs and pushrods ready for next season? – DragRacingOnline – January 2013 Smith Bros Pushrods – “The right pushrod for your application”

Posted in Technical Discussions | 2 Comments

Melling Oil Pump Relief Springs

Posted on Friday, August 24, 2012 by Roger

Looking for information on oil pump relief valve springs? What color spring denotes a certain pressure? Perhaps this will help: Melling Oil Pump Relief Springs

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A Teachable Moment

Posted on Tuesday, February 14, 2012 by Roger

In the off season it is a good time to reflect back on a specific event that took place this last summer. At the last race at Pacific Raceways on July 30, 2011, Paul made a pass at 12.54 @ 106.12 … Continue reading →

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Mountain Motors

Posted on Thursday, January 27, 2011 by Roger

I can remember when a 454 was a big block, and 500 cubes was a “mountain motor.” But with today’s head, valve spring & lifter technology there appears to be no end in sight! SONNY LEONARD TOPS 1000 CID WITH NEW … Continue reading →

Posted in Discussions, Technical Discussions | Tagged Mountain Motors | 1 Comment

Are Burnouts Abusing Your Engine? by David Reher

Posted on Friday, December 17, 2010 by Roger

Technically Speaking with David Reher – NHRA National Dragster, December 10, 2010 Are Burnouts Abusing Your Engine? In my recent back-page columns, I’ve focused on the mechanical side of drag racing: cooling systems, lubrication systems, fuel systems, and ignition … Continue reading →

Posted in Discussions, Technical Discussions | 4 Comments