Circle Track Magazine Homepage Circle Track
Facebook
Circle Track

Crate Engines - Leveling The Playing Field

RPM Torque HP BSFC
3000 403.9 230.7 .519
3100 403.5 238.1 .633
3200 398.8 243.0 .530
3300 398.8 250.6 .521
3400 396.5 256.7 .569
3500 397.3 264.7 .575
3600 394.5 270.4 .443
3700 388.0 273.3 .488
3800 386.7 279.8 .502
3900 386.8 287.3 .528
4000 386.8 294.6 .526
4100 383.1 299.1 .519
4200 384.6 307.6 .503
4300 380.2 311.3 .511
4400 374.5 313.7 .517
4500 370.3 317.3 .511
4600 363.9 318.7 .585
4700 356.8 319.3 .652
4800 346.2 316.4 .585
4900 348.3 325.0 .597
5000 339.5 323.2 .579
5100 333.6 323.9 .671
5200 330.4 327.1 .669
5300 324.3 327.3 .640
5400 321.1 330.2 .749
5500 310.3 325.0 .632
5600 301.5 321.4 .689
5700 294.5 319.6 .727
5800 269.5 297.7 .661

Figure 8Dodge P5249499, Two-barrel McLendon Holley 4412, Corrected torque and power
Full Article
Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Next

Community Comments

No one has commented on this article yet. Why not be the first to leave a comment?

Add a Comment (Must Be Registered)


*Please enter your username

*Please enter your password

*Please enter your comments
User Name
Not Registered? Signup Here
Password
Comment
   (1024 character limit)

Related Racing Pictures

Latest Articles
Why You Should Wear a Head-and-Neck Restraint
“By all accounts it was the most spectacular wreck of the Mid American Stock Car Series’ 2012 season. It happened shortly before the halfway point of the 75 lap event during the Short Track National... more
NASCAR GEN-6 for 2013
There was quite a bit of fanfare when NASCAR introduced their new Sprint Cup Series cars earlier this year. They called them their GEN-6 cars and said the new car "puts the 'stock' back in stock car... more
Longacres Racing Products - Tools Of The Trade
The right tools mean everything.... more
Understanding Volumetric Efficiency and Torque Relation
During a recent conversation with an experienced engine builder I realized we’d not recently discussed the importance of, reasons why and areas of concern about proper engine component integration.... more
Track Tech Questions and Answers - April 2013
A Short List of Interesting and Useful Observations I’ve Made.... more
Comp Cams Four Pattern Racing Camshafts
One of the issues every engine builder faces when trying to build maximum performance in a typical stock car racing engine is tuning each cylinder for optimum power.... more
The 2012 AMSOIL Great American CT Tour
Our next two stops on our Tour, after our long week previously spent traversing all of the state of Wisconsin, takes us first out of Wisconsin to Iowa and Hawkeye Downs Speedway for a Friday night... more
KT Engine Development Builds Circle Tracks Bench Motor
KT Engines puts together a NASCAR Late Model Stock engine for ouR UNOH Battle at the Beach entry... more
Understanding and Learning Caster and Camber Settings
It’s important to know how to properly measure for the amount of caster and camber in your race car.... more
362ci Dirt Late Model Engine Rebuild - Part 2
When we left SRE Engine Techniques, our 362 was stripped down to a short-block.... more

More Related Content
Circle Track