How to setup double adjustable shocks and coilover springs for drag race suspension.

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How to tune rear shocks for drag racing also known as tuning coilovers for drag racing. Drag car alignment is critical as you know for your safety and the safety of the other driver. This video will help you understand the importance of coil spring rate, ride height with shock installed height, and compression and rebound settings to launch a drag car. Double adjustable shocks give you settings for compression and rebound separately to help with a drag car suspension setup. These principles apply to most double adjustable coilover shocks and specifically the QA1 Proma Star DD501 with 12HT150 springs. Planting the rear slicks or planting radials on the launch along will keeping the tires planted during the run are so dependent on your shock settings for drag racing. This is so critical to improving 60 foot times (60' ET).

00:09 Introduction
04:20 Installed shock height
06:49 Coil Springs
11:04 Compression/Rebound Adjustments
18:30 Summary review of Compression and Rebound

Samson Performance of Sam's Alignment in North Charleston, SC:
Get with us at our shop to let us help you scale your car and do a complete plot of your car as it is today and then we can discuss what changes, if any, we would recommend. We do drag car chassis tuning, chassis setup and ensure the suspension is setup for the best drag racing launches possible! We also offer online remote services from our website here below:
https://samsonperformance.com/service...

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This new build is a Blown SBC Gen1 Boosted SBC 406 Dart SHP block with Callies crank, Callies rods, and custom Diamond Pistons with a 871 Roots Blower from The Blower Shop with helical rotors, ATI turbo 400 and 4link coilover Ford 9 inch. Planning on starting with 22 lbs of boost on methanol with a FuelTech ECU and dual wideband O2 sensors. This is a 48 Ford powered by chevy!

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QA1 Rear Double Adjustable Shocks:
QA1 site: https://www.qa1.net/suspension/street...
Amazon site: https://amzn.to/30TemY0

QA1 Rear 150 lb spring:
https://amzn.to/2Nq9pAK

QA1 Front Double Adjustable Shocks and Springs:
https://amzn.to/2Rqmlrp

QA1 Installation Guide:
http://qa1.net/tech/documents/D&S%20S...

Solid wheelie bars we are considering for new build:
https://amzn.to/33sqQqa

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