engine combinations: from mild to wild

Small Block Chevy

  • 330 hp GM 350 truck/RV/towing w/mild cam; 9-1 c/r; Vortec heads; Q-jet carb

  • 370 hp GM 350 street performance; performance hydraulic flat tappet cam; RPM Performer intake manifold; GM Vortec cylinder heads; hypereutectic pistons; vacuum secondary 670 cfm carb; 9.5-1 c/r; 408 ft lbs tq @ 4300; 370 hp @ 5600

  • 408 hp GM 350 street performance; Holley Systemax cam, heads, 770 cfm carb, intake manifold; 10.0-1 c/r; 397 ft lbs @ 4900 / 408 hp @ 5900

  • 400 hp GM 400 marine/street performance; Dart Pro 1 cylinder heads; RPM air gap Performer intake manifold; Comp cams hydraulic roller cam; 9.35-1 c/r; 600 cfm marine carb; 456 ft lbs @ 3900/ 400 hp @ 5100 (above 400 ft lbs from 2800 to 5100 rpm)

  • 488 hp GM 327 road race/auto cross; Dart block; GM 461 heads (fully ported by Mike); CP forged pistons; Manley rods; GM steel crank (fully prepared by Mike); Comp cams mechanical roller cam; dual plane intake manifold; MSD ignition; custom 750 Holley carb; 12.5-1 c/r; 397 ft lbs @ 5100;
    488 hp @ 7200

  • 577 hp GM 365 cid marine/sprint or drag racing; Dart block; Dart 220 cylinder heads (fully ported by Mike); single plane intake manifold; 800 Holley carb; Comp cams mech roller cam; Manley rods; GM steel crank (fully prepared by Mike) 12.0-1 c/r. Engine was designed for peak power at 6500-6700 rpm for sprint boat racing. This combination is very similar to Mick Alley’s 69 Camaro bracket/drag car: 3200 lbs, 10. @ 131mph. 577 hp @ 6500 rpm/ 473 tq @ 5700

  • 605 hp GM 406 small block drag racing; specially prepared GM block w/4 bolt caps; Dart Pro 1 heads; intake runners (fully prepared by Mike); GM intake manifold; Comp cams mechanical roller cam; 850 Holley carb; 11.2-1 c/r; 545 ft lbs tq @ 5300; 605 hp @ 6500 Note: this engine was built for Mike’s 69 Camaro as a test piece. It’s designed to run on pump gas w/Jesel shaft rockers/belt drive and is currently for sale for $7500.00.

  • 673 hp GM 434 small block drag racing; World Products block; AFR 23º cylinder heads; single plane intake manifold; 4500 series Holley carb; Comp Cams mech roller cam; 15-1 c/r. 582 ft lbs @ 5500; 673 hp @ 7000

  • 721 hp GM 400 small block drag racing; Donovan block; Brodix-12 cyl heads; single plane intake manifold; 4500 series Holley carb; Comp Cams mech roller cam; 15.4-1 c/r; 563 ft lbs tq @ 5900/ 721 hp @ 7300

  • 759 hp GM 404 small block drag racing; Dart block; GM 18º cyl heads; Comp Cams mech roller cam; single plane intake manifold; 4500 series Holley carb; 15.5-1 c/r 584 ft lbs tq @ 6000/759 hp @ 7600

big Block Chevy

  • 420 hp GM 454/460 cid marine or RV usage & even mild street performance; GM oval port heads (mild porting done by Mike); Weiand dual plane intake manifold; Speed Pro hydraulic flat tappet cam; Q-Jet carb; 8.75-1 c/r 500 ft lbs @ 3500 rpm/420 hp @ 5000

  • 465 hp GM 454/460 cid street rod; GM oval port cyl heads; Edelbrock 2-4bbl intake manifold & carb set up; Comp Cams hydraulic cam; 9.68-1 c/r 497 ft lbs tq @ 3800/456 hp @ 5700 rpm (Note: This engine was built to be a reliable daily driver; it idles at 15” vacuum @ 750 rpm.)

  • 477 hp GM 454/468 cid street performance; same build as above with the addition of a full port on GM oval port heads; Edelbrock performance intake manifold & a Q-Jet carb; 9.98-1 c/r 517 ft lbs tq @ 3300 rpm/477 hp @ 5500

  • 531 hp GM 454/468 cid street performance; GM oval port heads (fully ported by Mike); RPM performer intake manifold; Comp Cams hyd flat tappet cam; 800 Holley carb; 10.0-1 c/r 542 ft lbs tq @ 4800 rpm/531 hp @ 5500 (Note: This is a very fun combination for a hot rod & will go in to low 12 second range in a Chevelle at 4000 ft air!)

  • 575 hpGM 454/460 cid drag race/Wild street; rectangular port iron heads (mild porting); Weiand dual plane intake manifold; 800 Holley carb; Comp Cams flat tappet cam; 10.5-1 c/r; (Designed to operate on pump gas!); 533 ft lbs tq @ 5500/575 hp @ 6400

  • 565 hp GM 396/407 cid legal 375/396 NHRA stock eliminator. As per NHRA rules, no porting, stock spec pistons, valve lift max .520, GM dual plane intake manifold, stock vacuum secondary carb. A lot of unconventional methods are used to get power out of the this engine 507 ft lbs tq @ 5000/575 hp @ 6500

  • 828 hp GM 454/540 cid drag racing; Dart heads, block & intake manifold; 4500 series Holley carb; Lunati mech roller cam; 13.5-1 c/r; 706 ft lbs tq @ 5400/828 hp @ 6800

  • 844 hp GM 454/510 cid street rod; 8-71 blown pump gas engine; GM aluminum cyl heads; bow-tie block; Comp Cams hyd roller cam; Holley hp series carb; 8.0-1 c/r 782 ft lbs tq @ 4700/844 hp @ 6400

ford

  • 283 hp Windsor; 289/293 cid mild street performance; Edelbrock performer kit, including heads, intake, carb & camshaft; very nice idle-good street performer in a light car. 8.75-1 c/r 290 ft lbs tq @ 3750/283 hp @ 5250

  • 345 hp 390 FE series, 395 cid mild street or truck-rv towing; Edelbrock Performer cylinder heads, intake manifold, carb, Comp Cams camshaft. 9-1 c/r 407 ft lbs tq @ 3750/345 hp @ 5250

  • 385 hp 428 CJ-FE series, 435 cid restoration project, with valve train upgrades. All stock oem 1969 CJ428 cylinder heads, intake manifold, carb & exhaust manifolds. 9.05-1 c/r 440 ft lbs tq @ 3250 385 hp @ 5250

  • 350 hp 460 (385 series), 466 cid street truck/rv towing. Stock heads, block, Comp cams hydraulic flat tappet cam, Edelbrock Performer intake manifold & AFB carb 8.75-1 c/r; tested with Tri-Y headers. 500 ft lbs tq @ 3250, 350 hp @ 4250

  • 495 hp (385 series) 545 cid marine/street performance. Edelbrock RPM performer heads, intake manifold, carb, Comp cams hydraulic flat-tappet cam, aftermarket crank/rods/pistons, 9.0-1 c/r 599 ft lbs @ 2800, 495 hp @ 4800. Very mild idle, extreme off idle tq. The Ultimate Sleeper!

Pontiac

  • 477 hp 455 – 463 cid street performance. Edelbrock RPM performer heads, intake manifold, Q-jet carb, Ultradyne hydraulic flat-tappet cam. Mild to rough idle; 10.16- 1 c/r. 556 ft lbs @ 3500, 477 hp @ 5000

  • 552 hp 455, 469 cid EFI street performance. Edelbrock RPM performer cylinder heads, Victor Jr intake manifold (modified to accept EFI injectors by Mike Hering), Comp cams mechanical roller camshaft. 10.5-1 c/r 543 ft lbs tq @ 4700, 552 hp @ 5900 rpm

olds

  • 355 hp 400 “Long stroke 400” (409 cid) restoration/blueprint OEM, with the exception of Comp Cams hydraulic flat tappet cam & valve train, Q-jet carb. Stock exhaust manifolds. 9-1 c/r 427 ft lbs tq @ 3600, 355 hp @ 5000 rpm

  • 384 hp 459 cubic inch mild street performance. Edelbrock intake manifold, stock heads, Comp Cams hydraulic flat tappet cam, Q jet carb. 10.0-1 c/r 485 ft lbs tq @ 3200, 384 hp @ 4750

featured products


We have been a dealer for Joe Gibbs Driven oil since 2006, & also use it in our 69 Camaro A/S. Every custom engine built & dyno tested at Valley Crankshaft is broken in with Joe Gibbs BR or BR 30 break-in oil.