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#1
04-10-2022, 09:47 AM
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Another 'what will it make' post
Never done this before but with the new engine now in the Trans Am I thought it might be interesting to see what you guys think. Probably won't be able to get the car to the track until this fall because of rear end work that will be needed plus having a roll bar installed but having fun driving the car in the meantime. Anyway the combo is as follows: 400 block with Scat stroker crank, Eagle rods and Icon pistons yielding 10.6 compression, 463 cubes. Cam is a Lunati solid roller with 262/270 on a 110 icl +6. Cam degreed at 105. Top end has KRE d-ports at 325 cfm and a Northwind intake port matched, QF 950 carb. I currently have Hooker 1&3/4 super comps out to full 3" exhaust with the Dr. Gas x-pipe and Dynomax Ultra FLows. I know I will benefit from bigger headers but need to use what I have for now. Forgot to add that the rockers are 1.65 yielding .640 lift.
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69 Bird w/1970 400 block(409 cubes), #64 heads, hyd. roller, Q-jet by Jeff E., original interior, ps, pdb, th350, and 3.73 gears. Pump gas, street driven muscle. 3800 lbs. race weight. Best, 11.39 @118, my son's car. 79 T/A w/463, Scat crank, Eagle rods, Icon pistons, Lunati solid roller, 262/270, KRE 325 heads, Northwind intake, QF950 carb, full interior, ps, pdb, th350, and 3.73 gears. Pump gas, 3650 lbs. race weight. 10.68 @ 126 so far... no tuning yet. |
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#2
04-10-2022, 10:00 AM
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575-600hp on a conservation dyno. You'll need the roll bar!
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
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#3
04-10-2022, 11:03 AM
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Im gonna say over 600...like 620.
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" Is wearing a helmet illegal" Mike Kerr 1-29-09 |
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#4
04-10-2022, 03:49 PM
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Similar build as mine, but yours has a little more cfm and cam, I am also going with 620 at the crank...
Sent from my SM-G965U using Tapatalk
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68 Firebird-- Street/Strip - 400/461 Eagle Forged Bottom End & Ross Flat top pistons. KRE 325 CFM D port, Ultradyne 263/271 @.050, .4267 lift. Crower Solid roller lifters and 1.65 stainless rockers. Quickfuel 1000 on Torker2 intake and 2" open spacer. Hedman 1.75" headers. TH400 w/brake. Ford 9" w/3.80 gears & 28x9 Hoosier pro bracket drag radial. Best ET: 1.35 60ft, 6.29 @ 107.20 mph, 9.99 @132.33 mph. 3,300 race weight |
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#5
04-10-2022, 05:50 PM
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I'll say. 590 hp.
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#6
04-10-2022, 06:46 PM
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Chassis dyno? I’ll say 540hp
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Darby 74 Grandville 2Dr 455 c.i 4550# 2011 1.60 60 ft,7.33@94.55-11.502@117.74  2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32 M/T 275/60 ET SS Drag Radial 2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's |
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#7
04-11-2022, 01:09 PM
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550
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#8
04-11-2022, 01:16 PM
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585 torque and hp at the crank all day likely
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#9
04-11-2022, 01:36 PM
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I thought I might add a pic or 2.
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69 Bird w/1970 400 block(409 cubes), #64 heads, hyd. roller, Q-jet by Jeff E., original interior, ps, pdb, th350, and 3.73 gears. Pump gas, street driven muscle. 3800 lbs. race weight. Best, 11.39 @118, my son's car. 79 T/A w/463, Scat crank, Eagle rods, Icon pistons, Lunati solid roller, 262/270, KRE 325 heads, Northwind intake, QF950 carb, full interior, ps, pdb, th350, and 3.73 gears. Pump gas, 3650 lbs. race weight. 10.68 @ 126 so far... no tuning yet. |
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#10
04-11-2022, 02:41 PM
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Quote:
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Darby 74 Grandville 2Dr 455 c.i 4550# 2011 1.60 60 ft,7.33@94.55-11.502@117.74 2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32 M/T 275/60 ET SS Drag Radial 2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's |
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#11
04-11-2022, 02:48 PM
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Quote:
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#12
04-11-2022, 06:27 PM
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470-500 on a chassis dyno
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67 Firebird 3440 lbs, Pump gas 537 IA2, tiger heads, 4.86 rear, 32 x 17.5's, full interior, 4 mufflers, street shape 1.36 60', 6.11@113.42 1/8 mi. 5.67@123 on small shot. |
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#13
04-11-2022, 07:23 PM
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Hey prostreet64, I hope you don’t mind I sent you a PM.
Thanks Murf |
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#14
04-11-2022, 07:30 PM
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Darby, if and when I can get it to a dyno it will be at the local speed shop which has the chassis dyno only, but I am interested in what #s you guys come up with for either an engine or chassis dyno.
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69 Bird w/1970 400 block(409 cubes), #64 heads, hyd. roller, Q-jet by Jeff E., original interior, ps, pdb, th350, and 3.73 gears. Pump gas, street driven muscle. 3800 lbs. race weight. Best, 11.39 @118, my son's car. 79 T/A w/463, Scat crank, Eagle rods, Icon pistons, Lunati solid roller, 262/270, KRE 325 heads, Northwind intake, QF950 carb, full interior, ps, pdb, th350, and 3.73 gears. Pump gas, 3650 lbs. race weight. 10.68 @ 126 so far... no tuning yet. |
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#15
04-11-2022, 07:33 PM
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Murf, don't mind at all, I will look for it.
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69 Bird w/1970 400 block(409 cubes), #64 heads, hyd. roller, Q-jet by Jeff E., original interior, ps, pdb, th350, and 3.73 gears. Pump gas, street driven muscle. 3800 lbs. race weight. Best, 11.39 @118, my son's car. 79 T/A w/463, Scat crank, Eagle rods, Icon pistons, Lunati solid roller, 262/270, KRE 325 heads, Northwind intake, QF950 carb, full interior, ps, pdb, th350, and 3.73 gears. Pump gas, 3650 lbs. race weight. 10.68 @ 126 so far... no tuning yet. |
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#16
04-11-2022, 07:55 PM
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Thought I already posted on this one Chassis dyno: 620 hp times 85% so 527 HP.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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#17
04-12-2022, 01:12 PM
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Quote:
Thanks man! I would guess 575 hp. Sounds like a great build. Murf Sent from my iPhone using Tapatalk Pro |
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#18
04-12-2022, 03:38 PM
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630 @ the crank
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#19
04-21-2022, 10:47 PM
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Jd tuning up here in Lake City just recently opened and has a Mainline chassie dyno.They allow drivers to make the pull,unlike Rollins.Anyways i made 500 to the wheel with a oldfaithful hybrid roller.I suspect u should make more
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76 T/A 455, cnc chamber E heads,OF hyd roller ,yella terra shaft rockers 11.47 119 |
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