Nov 1, 2006...Engine Builder Magazine: "Ray Little, of RayMac Racing Engines in Texas, has a long history of building a variety of gasoline engines. “I started in a reman facility long ago, building all sorts of different passenger car gas engines. That got me into building engines for GTP racing, Trans-Am and NASCAR race cars, and then I worked at Reher-Morrison doing drag motors.”

Until recently, Little says the diesel market was strange to him. But while it may still be below many engine builders’ radar, the opportunities will continue to increase. “It’s a market that has just taken off over the past couple of years,” he says.

Little has been working with Hogues to push diesel development further along than it has been, and Little admits that, for a gasoline guy, it’s been very enlightening.

“I guess it’s because diesel burns much more smoothly than gasoline, much more controlled, further down top dead center. It still amazes me about the power levels we’re making and how little stress the bottom end of the engine actually has. Even with smaller main bolts, less clamp load on the bottom end, and with way more cylinder pressure, the caps don’t walk around nearly as much.”

Little says he’s still amazed by what he sees, although he’s beginning to accept it: “A gas motor guy would look at the power these motors make and think there’s no way the bottom end will stay in it. That’s just the way I was.”

To put it in perspective, Little points out that diesel drag motors often turn in excess of 6,000 rpm. “That’s twice what they were designed to do. Considering how heavy the reciprocating and rotating weights are on these things, it G’s out to tons! But the parts are so robust and built to last, I’m not sure where the limit is.”.... Read more.





SBC Custom Kits:  383 Complete Engine Kit  •  383 Stroker Kit/Stage 1  •  383 Stroker Kit/Stage 2  •  383 Stroker Kit/Stage 3  • 383 Stroker Kit/Stage 4  •  427 SBC All Aluminum  •   434 SBC 650hp

SBC Custom Builds:  400 SBC All Aluminum  •  400 SBC N2O Street/Race •  400 SBC Dart SHP  •  427 SBC Short Block  •  434 SBC 650hp on Pump Gas

BBC Custom Kits:  496 BBC Forged Power  •  540/496 BBC Pro Street/Strip • 540 Short Block July 4th & SUMMER SALE •  540 BBC All Aluminum Long Block  •  540 BBC Rotating Assembly  •  540 BBC Pump Gas 650hp  •  540 BBC Pump Gas 810hp  •  540 BBC Street/Strip N2O  •  540/550/565 BBC Blower Motor  •  565 BBC Forged Rotating Assembly  •  565 BBC Sportsman Rotating Assembly  •  565 BBC Super Street  •   565 BBC 900hp   •  582 BBC Forged Rotating Assembly  •  598 BBC 1064hp  • 598/632 BBC Drag/Race •  605 BBC Mild/Wild622 BBC All Aluminum 1050hp  •  632 BBC Short Block  •  632 BBC Big Chief Short Block Kit  •  632 BBC Big Chief Long Block Kit  •  632 Big Chief 14 Degree Pump Gas Kit  •  632 BBC Block & Rotating Assembly   •   632 BBC MED Duty NOS   •   632 BBC SR20 NOS   •  632 "Patriot" Complete Kit  •  632 BBC Street Race Rod Kit  •  632 N2O 1800hp •  632 1000hp  •  665 BBC 14.5 Degree  •  665 BBC Idles at 800rpm  • 705 BBC 14.5 Degree  •  715 BBC N2O •  747 BBC Torque Monster

BBC Custom Builds: 555 BBC Bracket Motor 900+hp  •  632 BBC SR20/12 Engine Kit  •  632 BBC SR20 NOS
  •  632 BBC Heavy N2O Options  •  665 BBC Heavy N2O  •  747 BBC Torque Monster

SBF Custom Kits:  347/363 SBF Rotating Assembly  •  427 SBF Short Block   •   427 SBF 700hp

BBF Custom Kits:  429/460 BBF Rotating Assembly

BBF FE Custom Kits:  360/390 BBF FE Rotating Assembly & Long Block

Ford Modular Custom Kits:  Ford Coyote Boss 5.0

LS Based Custom Kits:  LS Anvil 2000+hp  •  LS BFH 427-440  •  LS 451 Short BlockLS BFH ++ 2000hp Capability  •  LS Hammerhead 408  •  LS 408 11.0:1LS Hammer LQ9  •  LS 4.8 Turbo Piston Kit  •  LS 4.8/5.3 Power Adder  •  LS 5.3 Turbo Piston Kit  •  LS 5.3 Blower/Turbo 1400+hp Rotating Assembly  •  LS 400-454 RHS Short Block  •  LS Next Level 1500+hp


LS Based Custom Builds: 502 LS Short Block Assembled

LT1 Custom Kits:  LT1 Rotating Assembly

Gen VII (8.1) Custom Kits:  8.1L with Options

Mopar Custom Kits:  MOPAR 440 into a 500/545

Industrial:  505 8.3 Liter  •  535 8.8 Liter  •  632 10 Liter  •  598 9.8 Liter  •  732 12 Liter  •  747 Torque Monster

Callies Dragonslayer:  SBC   •  BBC  •  LS1 GEN II-IV  •  SBF

Callies Magnums:  SBC  •  BBC  •  LS1 GEN III-IV  •  SBF  •  460 Ford  •  440 & Hemi Mopar

Cast Pro Stock:  SBC 350 Int  •   SBC 350 Ext  •  SBC 350 Late Int  •  SBC 350 Late Ext  •  SBC 400 Ext   •  BBC 454 Ext   •  BBC 454 Late  •  Ford 351W  •  BBF 460 

Aluminum Blocks:  Chyrsler 440W  •  BMP BBC  •  54902 RHS LS Bare Race  •  54907U RHS LS Solid AL  •  54908U RHS LS Solid AL  •  SBC Brodix 410 Sprint  •  SBC Brodix 400/4.125 Bore •  SBC Brodix 350/4.125 Bore  •  SBC Brodix 400/4.00 Bore  •  SBC Brodix 350/1.00 Bore

Ignition:  Distributors & Starters

CNC Cylinder Heads:  SBC 190cc 23 Degree  •  LS Series  •  BBC 360cc 24 Degree

BBC Dart Cylinder Heads: Dart 360

BBC Aluminum Entry Level Cylinder Heads:  Aluminum Entry Level + Flow Chart

BBC Brodix Cylinder Heads:  Brodix BB1

BBC RHS Cylinder Heads:  RHS Pro Action

BBC Pistons:  BBC Big Chief Piston Set


A few of our ultra performance kits, builds, components & parts:




SuperFlow Dyno on location at Raymac Racing Engines. Click to watch:



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Office: Mansfield, Texas       Shop/Dyno: Ft. Worth, Texas

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09/05/18 California law now requires any reseller of California based manufactured parts (including by not limited to Dart, Race Winning Brands, AFR, Scat and Brodix) to inform it's customers of the following

(in accordance with Proposition 65):