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Sunday, August 19, 2018
  1978 Pontiac Trans Am
 
 

...continued from page 1

New engine specs:

  • 455 bored .040" over gives 464.7 cid
  • TRW forged pistons installed at 0 deck height
  • Eagle Pontiac rods
  • ARP studded 4 bolt mains
  • Block filled to bottom of water pump holes with Hardblok
  • Hooker 1.75" Super Comp headers
  • MSD billet distributor with MSD Digital 7 box
  • Comp Cams custom solid flat tappet cam (see cam card for specs)
  • Scorpion 1.74 roller rockers (net valve lift after lash s/b .593 & .602)
  • KRE aluminum D-port heads(our flow test results)
  • 80 cc combustion chambers
  • Stainless steel Ferrea race valves 2.11 & 1.66
  • CNC ported to flow 290 cfm @ 28" (see flow sheet)
  • 10.9:1 comp.ratio
  • Comp Cams beehive valve springs
  • Canton oil pan with Canton windage tray
  • Oil scraper
  • Moroso 3 vane vacuum pump
  • Pro-Systems Holley HP 1000 cfm carb


*All dyno pulls were performed by Panaritis Automotive on a SuperFlow dyno.

next page (How we assembled this torque monster)...

 

Dyno19
Torker II intake with ½" wood spacer
HP750 jetted 82/89 with 6.5 front PV (pdf file)
Dyno 19 page 2

Dyno 19 page 3

Dyno21
Torker II intake with ½" wood spacer
Pro Systems HP1000 jetted 84/91 with 6.5 front PV (pdf file)

Dyno 21 page 2
Dyno 21 page 3

Dyno 24 same as dyno 21
Removed wood spacer and added 1" Supersucker aluminum spacer (pdf file)

Dyno 24 page 2
Dyno 24 page 3

Dyno26
Torker II intake with ½" wood spacer
Pro Systems HP1000 jetted 84/91 with 6.5 front PV
Added Butler turtle in intake (pdf file)

Dyno 26 page 2
Dyno 26 page 3

Dyno 32
Torker II intake
Removed wood spacer and added 1/" composite gasket
Dyno room HP750 (different carb from dyno19)
Jetted 77 front & back with 6.5 PV's (pdf file)

Dyno 32 page 2
Dyno 32 page 3

Dyno 39
Performer RPM intake with ½" wood spacer
Pro Systems HP1000 jetted 82/89 with 6.5 front PV (pdf file)

Dyno 39 page 2
Dyno 39 page 3

Dyno 41
Hurricane intake with ½" wood spacer
Pro Systems HP1000 jetted 84/91 with 6.5 front PV (pdf file)

Dyno 41 page 2
Dyno 41 page 3

Dyno 43
Same as dyno41
Removed wood spacer and added 1" Supersucker aluminum spacer (pdf file)

Dyno 43 page 2
Dyno 43 page 3

Dyno 44
Same as dyno41
Removed all
spacers (pdf file)

Dyno 44 page 2
Dyno 44 page 3

Dyno 56
Hurricane intake with ½" wood spacer
Pro Systems HP1000 jetted 88/95 with 6.5 front PV
Hedman Hussler 1.875" headers (pdf file)

Dyno 56 page 2
Dyno 56 page 3
Edelbrock Perfomer RPM Intake vs. Hurrice Intake (pdf file)
1.75 vs 1.875 Headers
(pdf file)
Comp Cams card (pdf file)

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