Popular Hot Rodding Magazine Homepage Popular Hot Rodding
Get Adobe Flash player

The 2008 Jegs Engine Masters Challenge - Muscle Car Engine Shootout

SEMCO PERFORMANCE
400 PONTIAC
CLAIMED DISPLACEMENT: 407 CI
QUALIFYING SCORE: 2,357.7
Team leader: Michael Semchee
Team members: Mike Semchee Jr., Ray Clayton, Lee Shaver
Hometown: Austintown, OH
Bore: 4.155 inch
Stroke: 3.750 inch
Compression ratio: 10.4:1
Carburetor: Holley 950 (by Lone Star)
Carb spacer: Wilson, 1-inch
Intake: Edelbrock
Cylinder heads: Kauffman
Block: Pontiac
Intake valve: 2.250 inch
Exhaust valve: 1.750 inch
Camshaft specs: Comp; 254/260 degrees @ .050, .651/.630-inch lift
Rocker arms: T&D
Crankshaft: Lunati
Rods: Scat
Pistons: JE
Rings: JE
Ignition: MSD
Oil: Royal Purple, 0W-10
Headers: Custom headers and exhaust, 2 1/4-inch
Mufflers: Magnaflow

DTS DYNO DATA
BEST QUALIFYING PULL
RPM TQ HP
2,500 465 221
2,600 473 234
2,700 477 245
2,800 474 525
2,900 470 259
3,000 465 266
3,100 456 269
3,200 454 277
3,300 457 287
3,400 463 300
3,500 475 316
3,600 492 337
3,700 508 358
3,800 520 376
3,900 531 394
4,000 538 409
4,100 542 423
4,200 545 435
4,300 545 446
4,400 543 454
4,500 542 464
4,600 544 476
4,700 551 492
4,800 557 509
4,900 562 252
5,000 565 538
5,100 569 553
5,200 573 567
5,300 576 582
5,400 578 594
5,500 576 603
5,600 571 609
5,700 566 614
5,800 561 620
5,900 555 624
6,000 549 628
6,100 541 628
6,200 530 626
6,300 520 624
6,400 493 601
6,500 457 566

2008 Jegs Engine Masters Challenge Semco Performance 2008 Jegs Engine Masters Challenge 400 Pontiac
Prev | 1  | 2  | 3  | 4  | 5  | 6  | 7  | 8  | 9  | 10  | 11  | 12  | 13  | 14  | 15  | 16  | 17  | 18  | 19  | 20  | 21  | 22  | 23  | 24  | 25  | 26  | 27  | 28  | 29  | 30  | Next
Discuss in our Forums
Ford Mustang Research
Ford Mustang Consider the Ford Mustang for your next new car, and browse reviews featuring information on test drives, comparisons, options and features. The 2010 Mustang has fuel economy of 20 mpg, and comes with comparable warranty coverage to other vehicles in its class. Other similar vehicles are the Chevy Camaro and the Pontica GTO.

Related Hot Rod Pictures

Related Articles

 
1976 Chevy Laguna S3 - Laguna Seeka
It was hate at first sight. Like having your marriage arranged with an ugly chick, Steve Yoder... more
 
Big-Block Chevy - The Pile Driver - Part 2
Last month, we built a 509ci solid-roller big-block Chevy, using the leftover block, crank, and oil... more
 
1993 Ford Mustang Notchback - Shift of Power
When it comes to extracting ridiculous power out of a big-block, it's so easy a Wall Street CEO... more
 
DCI 455 Pontiac Engine - Murphy's Law
As a long-time carb tuner and engine builder, Johnston takes great pride in his work, and when... more
 
Dart Short-Block Crate Motor - Halfway There
Just about any engine builder, whether a pro or a backyard hobbyist, looks at the completion of the... more
 
LT1 Block and Cams - LT1 Cam-O-Rama
For those of us old enough to remember '80s Reaganomics and learning about new math in school (what... more
 
1975 Chevy Laguna - Yearn To Turn!
Whether you dig the Pro-Touring movement, and its attendant propensity for big g-force turns or... more
 
1970 Ford Fairlane 500 - The Fast Lane Fairlane - PHR Project Car
It's hard to believe that we started work on this big blue Ford over two years now. When we managed... more
 
1973 Chevy Camaro - Bitten By The Boost
It's not that Rob Morell is impossible to please. He's just always tinkering, trying something new,... more
 
Friday October 9th Engine Masters Challenge Finals Updates and Results Sponsored by Rottler
Click Here for Friday October 9th Engine Masters Challenge Finals Updates and Results Sponsored by... more