SRH in the news:
"Terry Walters and I did mud motor that had to have Iron heads. Chad Speier did the heads. 454 made 850 hp and kicked butt. If you want proven porting skills on iron heads call Chad."- David Vizard
Please note most builds are not max effort. DYNO numbers don't tell the entire story,
also ask about ET's and lap records! You can find more conversation on builds on my Facebook page, HERE
347 SBC 12º- 870hp (v615X)
347 SBF 20º- STREET ENGINE 575hp (vPFSBF)
354 SBC 14º Pro Action- 910hp@9000
355 SBC 23º- 630hp (v2.50PF/23º)
365 SBC 23º- 625hp (v2.50PF/23º)
365 SBC 23º- 780hp/595tq (v3.00PF/23º)
377 SBC 23º- 675hp/505tq (V2.70PF/23º)
379 SBC 23º- 540hp/515tq Pump Gas (V2.35PF/23º)
380 SBC 23º- 9.50at3000lbs (v2.50PF/23º)
380 SBC 23º- 10.10at3500lbs (v2.70PF/23º)
380 SBC 14º- CURRENT A/ND RECORD HOLDER
380 SBC 23º- SWJF 7.27at185, RECORD HOLDER
383 SBC 23º- 530hp (v2.50BI/23º) STREET ENGINE
383 SBC 23º- 512@5200tq 570@6200 Pump Gas (v2.50BI/23º)
383 SBC 23º- 550hp/510tq pump gas (v2.50PF/SB)
383 SBC 23º- 500hp/510tq pump gas (v2.35PF/SB)
383 SBC 23º- 655hp (v2.50BI/23º) HERE
383 SBC 23º- 580hp (PF "ECONO") HERE
388 SBC 23º- 540hp FT cam (PF "ECONO") HERE
388 SBC 23º- 672hp/556tq (v2.50PF/SB)
388 SBC 23º- 660hp/531tq (195cc Hand Ported)
390 SBC 23º- 715hp (v2.72AR/23º) HERE
400 SBC 23º- 755hp (v2.70PF/23º) HERE
400 SBC 13º- 1000+@9800 (v3.00PF/13º)
400 SBC 23º- 700hp/600tq (v2.72AD/23º)
401 SBC 23º- 1009whp (v2.72AR/23º) 8.90@3750lbs
406 SBC 23º Pump Gas- 600hp (RHS "ECONO") HERE
406 SBC 23º- 750hp (v2.50PF/23º) HERE
406 SBC 23º- 3240lb. 6.06/9.87 (v2.50PF/23º)
406 SBC 23º Pump Gas- 602.3@6450 and 548.9@5100 (v2.50BI/23º)
406 SBC 23º- 680hp/544tq (v2.50BI/23º) HERE
406 SBC 23º EMC ENGINE HERE (v2.70PF/23º)
406 SBC 23º- 560at6400/500at4800 pump gas (v2.50PF/23º)
408 SBC 23º- 5.76at2650lbs (v2.50PF/23º)
408 SBF - 685at7100 (v2.50AB/SBF)
409 SBC 23º- 266/274 710@7000/598@5500 (v2.70PF and Burr Manifold)
406 SBC - 600RWP (v2.50PF/23º) pump gas
414 SBC- 5.17at3180lbs w/IS Sledgehammer (v2.80ED/RR)
HEMI- B/ND NATIONAL RECORD HOLDER
418 SBC- 5.04at138at3000 w/485 plate (v2.70PF/23º)
421 SBC 23º- 720hp (v2.70PF/23º) NITROUS BUILD
421 SBC 23º- 630hp pump gas 237 cam (v2.50PF)
421 SBC 23º- 730hp/600tq (v2.70PF)
421 SBC 23º- 5.40at129at3125 (v2.70PF/23º) 300 shot
421 SBC 23º 680@7000/600@5600 (v2.50PF and as-cast 2892)
421 SBC 23º- 5.71at2800, 6600rpm (v2.50PF/23º)
421 SBF Pump Gas- 670hp (v2.50AB/SBF) HERE
422 SBF Dirt Modified- 780hp (v3.10BT/FCV) HERE
427 SBC Pump Gas- 9.60's at 3300 (v2.70PF/23º) footbrake S10
427 SBC Pump Gas- .580 lift 609@6400 (v2.50PF.23º)
427 SBF- 4.90's in NITROUS X (v7721/15º)
428 Pontiac EMC ENGINE HERE (v2.66/EMC)
430 SBC 13º- 910hp/675tq in N2O trim!
434 SBC 23º 757@7000/611@5600 (v2.70PF and Burr manifold)
434 SBC 23º 760@7200/620@5800 (v2.70PF and Burr manifold)
434 SBC 23º ported RHS- 275R, 5.40at3080, pump gas
434 SBC 23º- 702@6900/592@5200 pump gas (v2.70PF/23º)
434 SBC 23º- 755hp (v2.70PF/23º) NITROUS BUILD
434 SBC 23º - 5.50@122at 2700lbs (v2.70PF/23º)
434 SBC 23º- 5.55@122at2600lbs w/.680 lift (v2.70PF/23º)
434 SBC 23º- 702@6800/592@5200 w/unported manifold (V2.70PF/23º)
434 SBC 23º- 5.56@123at 2550lbs (v2.72AR/23º)
434 SBC 23º- E85- 710hp (v2.50PF/23º) HERE
434 SBF 20º- PUMP GAS 699.9hp (v2.80PF/SBF)
434 SBF 20º- UMP A-Mod 629@5400/767@7100 (v2.80PF/SBF)
436 SBC 23º- 785@7400/614@6200 (v2.70PF and 2892)
437 SBC 13º- SBC- 1022hp@8500/677@7300 (v3.00PF/13º)
438 SBC 23º- 827@6700/ 621@5300 (v3.00PF/13º)
440 SBF 15º- 592@7000/805@7900 PUMP GAS (v3.10BR/15º)
440 SBC 13º- SBC- 910hp at 7500 (v3.00PF/13º)
440 SBC 23º- PUMP GAS 750@7300 (v2.70PF/23º)
440 SBC 13º- SBC- 960hp at 7900 (v3.00PF/13º)
440 SBC 23º- SBC- 810hp at 7500 (v3.00PF/23º)
454 SBC 23º- SBC- 780hp at 7400 (v3.00PF/23º)
482 BBC-922at8-8400/630at64-8000 (v4.00ID/BBC)
496 BBC- 960hp (v4.20IR/BBC)
505 BBC- 1040hp (v4.20IR/BBC)
510 BBC- 1040hp (v4.00ID/BBC)
512 BBC- 1010hp@8100, 707tq@6200 (v4.00ID/BBC)
512 BBM- Pump Gas 652.8@5700 and 664.5@4450 (v2.60/EDRPM)
520 BBM- 615/660 Street Engine (v2.60/EDRPM)
548 BBC- 1908/1450 w/ported Pro-Filer and Hi-Helix
565 BBC- 1025hp@7500 (v4.00AD/BBC)
565 BBC- 1100hp truck puller (v4.20IR/BBC)
588 BBC- 1090hp NITROUS BUILD (v4.200AR/BBC)
632 BBC- 1098hp@7000 (v4.00ID/BBC)
- Chevy DYI Magazine Article
- Throttles Pontiac EMC
- Potent Pontiac
- Henderson/SRH EMC
- Jeff Harper's Rally Nova
- Neil&Parks Ultra Dragster
- SRH in Vizard BBC Book
"Terry Walters and I did mud motor that had to have Iron heads. Chad Speier did the heads. 454 made 850 hp and kicked butt. If you want proven porting skills on iron heads call Chad."- David Vizard
Please note most builds are not max effort. DYNO numbers don't tell the entire story,
also ask about ET's and lap records! You can find more conversation on builds on my Facebook page, HERE
347 SBC 12º- 870hp (v615X)
347 SBF 20º- STREET ENGINE 575hp (vPFSBF)
354 SBC 14º Pro Action- 910hp@9000
355 SBC 23º- 630hp (v2.50PF/23º)
365 SBC 23º- 625hp (v2.50PF/23º)
365 SBC 23º- 780hp/595tq (v3.00PF/23º)
377 SBC 23º- 675hp/505tq (V2.70PF/23º)
379 SBC 23º- 540hp/515tq Pump Gas (V2.35PF/23º)
380 SBC 23º- 9.50at3000lbs (v2.50PF/23º)
380 SBC 23º- 10.10at3500lbs (v2.70PF/23º)
380 SBC 14º- CURRENT A/ND RECORD HOLDER
380 SBC 23º- SWJF 7.27at185, RECORD HOLDER
383 SBC 23º- 530hp (v2.50BI/23º) STREET ENGINE
383 SBC 23º- 512@5200tq 570@6200 Pump Gas (v2.50BI/23º)
383 SBC 23º- 550hp/510tq pump gas (v2.50PF/SB)
383 SBC 23º- 500hp/510tq pump gas (v2.35PF/SB)
383 SBC 23º- 655hp (v2.50BI/23º) HERE
383 SBC 23º- 580hp (PF "ECONO") HERE
388 SBC 23º- 540hp FT cam (PF "ECONO") HERE
388 SBC 23º- 672hp/556tq (v2.50PF/SB)
388 SBC 23º- 660hp/531tq (195cc Hand Ported)
390 SBC 23º- 715hp (v2.72AR/23º) HERE
400 SBC 23º- 755hp (v2.70PF/23º) HERE
400 SBC 13º- 1000+@9800 (v3.00PF/13º)
400 SBC 23º- 700hp/600tq (v2.72AD/23º)
401 SBC 23º- 1009whp (v2.72AR/23º) 8.90@3750lbs
406 SBC 23º Pump Gas- 600hp (RHS "ECONO") HERE
406 SBC 23º- 750hp (v2.50PF/23º) HERE
406 SBC 23º- 3240lb. 6.06/9.87 (v2.50PF/23º)
406 SBC 23º Pump Gas- 602.3@6450 and 548.9@5100 (v2.50BI/23º)
406 SBC 23º- 680hp/544tq (v2.50BI/23º) HERE
406 SBC 23º EMC ENGINE HERE (v2.70PF/23º)
406 SBC 23º- 560at6400/500at4800 pump gas (v2.50PF/23º)
408 SBC 23º- 5.76at2650lbs (v2.50PF/23º)
408 SBF - 685at7100 (v2.50AB/SBF)
409 SBC 23º- 266/274 710@7000/598@5500 (v2.70PF and Burr Manifold)
406 SBC - 600RWP (v2.50PF/23º) pump gas
414 SBC- 5.17at3180lbs w/IS Sledgehammer (v2.80ED/RR)
HEMI- B/ND NATIONAL RECORD HOLDER
418 SBC- 5.04at138at3000 w/485 plate (v2.70PF/23º)
421 SBC 23º- 720hp (v2.70PF/23º) NITROUS BUILD
421 SBC 23º- 630hp pump gas 237 cam (v2.50PF)
421 SBC 23º- 730hp/600tq (v2.70PF)
421 SBC 23º- 5.40at129at3125 (v2.70PF/23º) 300 shot
421 SBC 23º 680@7000/600@5600 (v2.50PF and as-cast 2892)
421 SBC 23º- 5.71at2800, 6600rpm (v2.50PF/23º)
421 SBF Pump Gas- 670hp (v2.50AB/SBF) HERE
422 SBF Dirt Modified- 780hp (v3.10BT/FCV) HERE
427 SBC Pump Gas- 9.60's at 3300 (v2.70PF/23º) footbrake S10
427 SBC Pump Gas- .580 lift 609@6400 (v2.50PF.23º)
427 SBF- 4.90's in NITROUS X (v7721/15º)
428 Pontiac EMC ENGINE HERE (v2.66/EMC)
430 SBC 13º- 910hp/675tq in N2O trim!
434 SBC 23º 757@7000/611@5600 (v2.70PF and Burr manifold)
434 SBC 23º 760@7200/620@5800 (v2.70PF and Burr manifold)
434 SBC 23º ported RHS- 275R, 5.40at3080, pump gas
434 SBC 23º- 702@6900/592@5200 pump gas (v2.70PF/23º)
434 SBC 23º- 755hp (v2.70PF/23º) NITROUS BUILD
434 SBC 23º - 5.50@122at 2700lbs (v2.70PF/23º)
434 SBC 23º- 5.55@122at2600lbs w/.680 lift (v2.70PF/23º)
434 SBC 23º- 702@6800/592@5200 w/unported manifold (V2.70PF/23º)
434 SBC 23º- 5.56@123at 2550lbs (v2.72AR/23º)
434 SBC 23º- E85- 710hp (v2.50PF/23º) HERE
434 SBF 20º- PUMP GAS 699.9hp (v2.80PF/SBF)
434 SBF 20º- UMP A-Mod 629@5400/767@7100 (v2.80PF/SBF)
436 SBC 23º- 785@7400/614@6200 (v2.70PF and 2892)
437 SBC 13º- SBC- 1022hp@8500/677@7300 (v3.00PF/13º)
438 SBC 23º- 827@6700/ 621@5300 (v3.00PF/13º)
440 SBF 15º- 592@7000/805@7900 PUMP GAS (v3.10BR/15º)
440 SBC 13º- SBC- 910hp at 7500 (v3.00PF/13º)
440 SBC 23º- PUMP GAS 750@7300 (v2.70PF/23º)
440 SBC 13º- SBC- 960hp at 7900 (v3.00PF/13º)
440 SBC 23º- SBC- 810hp at 7500 (v3.00PF/23º)
454 SBC 23º- SBC- 780hp at 7400 (v3.00PF/23º)
482 BBC-922at8-8400/630at64-8000 (v4.00ID/BBC)
496 BBC- 960hp (v4.20IR/BBC)
505 BBC- 1040hp (v4.20IR/BBC)
510 BBC- 1040hp (v4.00ID/BBC)
512 BBC- 1010hp@8100, 707tq@6200 (v4.00ID/BBC)
512 BBM- Pump Gas 652.8@5700 and 664.5@4450 (v2.60/EDRPM)
520 BBM- 615/660 Street Engine (v2.60/EDRPM)
548 BBC- 1908/1450 w/ported Pro-Filer and Hi-Helix
565 BBC- 1025hp@7500 (v4.00AD/BBC)
565 BBC- 1100hp truck puller (v4.20IR/BBC)
588 BBC- 1090hp NITROUS BUILD (v4.200AR/BBC)
632 BBC- 1098hp@7000 (v4.00ID/BBC)