• 327 Small Block Chevy Weiand Supercharger
    Supercharger
    Holley's 142-series blower was designed with a long nose, allowing it to fit a majority of small-block Chevy powerplants in either a short or long water pump configuration. Although it may be the smallest blower offered by Holley, this little unit still has the ability to produce up to 7 psi of boost with the right combination. The "142" refers to the approximate CID of air per revolution. This blower has a low-profile for maximum fitment under the hood, and it's available for standard or aftermarket heads.
    Supercharger Holley's 142-series blower was designed with a long nose, allowing it to fit
  • 327 Small Block Chevy Tci Damper
    With the TCI damper back on and using a touch of antiseize on the threads, we bolted the lower blower pulley on using a 9/16-inch socket.
    With the TCI damper back on and using a touch of antiseize on the threads, we bolted the l
  • 327 Small Block Chevy Using Belt Tensioner
    With the belt tensioner pulled down, we wrapped the supplied six-rib blower belt around the upper and lower pullies. Then it was only a matter of hooking it up to the dyno and we were ready to make some pulls.
    With the belt tensioner pulled down, we wrapped the supplied six-rib blower belt around th
BY THE NUMBERS
RPM LB-FT HP PSI
3000 392 224 3.8
3100 388 229 3.9
3200 388 236 3.8
3300 392 246 3.8
3400 399 258 3.9
3500 407 271 3.9
3600 413 283 4.0
3700 416 293 4.1
3800 421 304 3.8
3900 425 316 3.9
4000 428 326 3.9
4100 429 335 4.0
4200 429 342 4.1
4300 430 352 4.1
4400 435 364 4.0
4500 438 376 4.0
4600 437 383 3.9
4700 435 390 4.1
4800 433 396 4.0
4900 432 403 4.1
5000 432 411 4.1
5100 431 419 4.1
5200 429 424 4.1
5300 425 429 4.1
5400 425 437 3.9
5500 420 441 4.0
5600 416 444 4.1
5700 414 450 4.2
5800 411 454 4.4
5900 407 457 4.5
6000 403 460 4.8
6100 392 455 4.9
6200 384 454 5.0
6300 379 454 4.9
AVG 416 368 4.1

The Parts Bin

DESCRIPTION PN PRICE
Weiand 142-series
blower 6500-1 $1,400
Comp cam 12-564-4 150
Comp lifters 858-16 104
Nitriding 1-111-1 100
TOTAL $1,754

Comp Cams
Memphis, TN
901.795.2400
compcams.com

Holley Performance Products
Bowling Green, KY
270.782.2900
holley.com

Scorpion Performance
Fort Lauderdale, FL
954.779.3029
scorpionperformance.com

Westech Performance Group
Mira Loma, CA
951.685.4767
westechperformance.com