Robbie Draughon Powertrain Development

Robbie Draughon Powertrain Development Full machine shop services for domestic V8 performance engines. CNC head porting. CNC block machining Blueprint boring and lifter bushing installation.

* Engine balancing on CWT Multi Bal 3000 computerized balancer

* Line boring/Line honing on Kwik Way/Sunnen CH-100

* Boring/Honing on Rottler F-2 air float & Sunnen CK-10

* Multi angle valve job on Peterson TCM-25 with Serdi tooling

* CBN/PCD surfacing/block decking on Sunnen HBS 1300

* Porting/Flowbench testing on Superflow 600

* Crank grinding on Storm Vulcan RG270Y with capability to chan

ge stroke & index

* Rod reconditioning on Sunnen LB1499

* Tig welding (Aluminum/Steel) on Miller Synchowave 250

* Vat/Jet cleaning with Peterson jetwash cabinet

* Mill/Lathe Projects on ENCO 9 x 42 mill & ENCO 48" gear driven lathe

* SuperFlow 901 engine dyno

* Rottler em69p for cylinder head porting.

05/01/2026
05/01/2026

Cutting the exhaust ports in a gen 3 Coyote head.

Cutting up some GM splayed valve heads. Recreating a set of pro stock truck heads like it was 25 years ago. 3 days of mi...
05/01/2026

Cutting up some GM splayed valve heads. Recreating a set of pro stock truck heads like it was 25 years ago. 3 days of milling, water jetting, and fitting. The welding part hasn't even begun.

Our cylinder heads don't just look pretty and impress the Internet trolls. They Perform!! #3 qualifier, Ernie Neal with...
04/25/2026

Our cylinder heads don't just look pretty and impress the Internet trolls. They Perform!! #3 qualifier, Ernie Neal with a set of our NHRA super stock 081 casting 305 heads. At St. Louis points meet today ran 9.53 in his GT/I cavalier. A conservative clutch set up and plenty more left on the table, it's getting faster every run. Consistent, fast, power, and more importantly don't leak water!!

Our customers and our R&D car had a great weekend at Coastal Plains Dragway for CCRA and CCMP races. Joseph Strickland t...
04/21/2026

Our customers and our R&D car had a great weekend at Coastal Plains Dragway for CCRA and CCMP races. Joseph Strickland took the Stock/Super Stock win. And Robbie limped into the winners circle in Modified Production. Brodie McKee's Daydreamer ran a personal best in it's first outing in C/MP. A new engine combination we developed over the winter months looks very promising. This week is Charlotte for the NHRA national event.

04/03/2026

Cutting valve pockets in a sb2.2 piston the easy way.

04/01/2026

Not all racecar all the time. Working on duramax diesel heads today. We do custom regularly. If you need something out of the ordinary shoot us a message.

Happy 77th Birthday to Clint Paulding! Thank you for your dedication to RDPD!!!
03/24/2026

Happy 77th Birthday to Clint Paulding! Thank you for your dedication to RDPD!!!

03/16/2026

Upgrading the ports on a set of AFR 220 heads. Will be 232 cc runner now. Raising the roof .080, fixing the choke at the pushrod, and opening up the throat to 91.5%

03/04/2026

10000 rpm dyno pull!!

Address

5222 Clematis Street
Fayetteville, NC
28304

Opening Hours

Monday 10am - 6pm
Tuesday 10am - 6pm
Wednesday 10am - 6pm
Thursday 10am - 6pm
Friday 10am - 6pm

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