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#101
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Fantastic results - looks like Jeff Kauffman was spot on
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Will Rivera '69 Firebird, 400/461, 290 Eddy D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears '69 LeMans Vert, XS 350, #47 heads, TH400, 10 Bolt 3.23 gears, work in progress ‘66 Lemans, 455, 310 KRE D-Ports, HR 236/245, TH400, GV OD, 12 bolt 3.73 gears - see it here: https://youtu.be/RP_s1wJKm_Y?si=K0NZxoTyaGcj8Dcb |
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#102
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I think you may have cross-posted steve
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-Jason 1969 Pontiac Firebird |
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#103
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Yeah, he was close, although it did make above his high side estimate. He said 550-570 initially.
They unloaded it from the dyno, cleaned it back up and put my moto-feet on it for transport. It's now safely home in my garage. I'm waiting on some remflex header gaskets and a new set of flextplate bolts, then I can start getting it back in the car.
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-Jason 1969 Pontiac Firebird |
| The Following User Says Thank You to JLMounce For This Useful Post: | ||
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#104
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Which I’m wondering why it’s even being brought back into the discussion at this juncture. ![]() And by the way congrats on your build and the stellar numbers, keep both hands on the wheel!
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/3.08 2002 WS6 Convertible LS1/4L60E/3.23 1966 VW Type 2 Single Cab Pickup 140hp 2276 1956 VW Type 2 Panel Van 36hp 1200 1957 VW Type 1 Beetle 180hp 2276 |
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#105
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Thanks, I'll make sure to keep things shiny side up!
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-Jason 1969 Pontiac Firebird |
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#106
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Good job to all involved!
I just rebuilt and upgraded one of the Blake 750's. Nice carb |
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#107
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VERY nice!
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#108
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What compression?
GT |
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#109
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Thanks!
Compression came out to right at 10.3:1. We were shooting for closer to 10.5:1, but without going to a 4.25' stroke and only over-boring another 10 thousandths, I just had too much chamber.
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-Jason 1969 Pontiac Firebird |
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#110
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What ignition timing during dyno pull?
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Will Rivera '69 Firebird, 400/461, 290 Eddy D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears '69 LeMans Vert, XS 350, #47 heads, TH400, 10 Bolt 3.23 gears, work in progress ‘66 Lemans, 455, 310 KRE D-Ports, HR 236/245, TH400, GV OD, 12 bolt 3.73 gears - see it here: https://youtu.be/RP_s1wJKm_Y?si=K0NZxoTyaGcj8Dcb |
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#111
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Power was pretty flat between 34-36 degrees, but absolute best power was at 36. Because they were using my billet 2 wire, it was locked out. I may see the torque come up below 4000 rpm when I put an ignition curve in it.
Based on how it performance with locked out timing though, I'll probably pile it in pretty aggressively. I'm thinking in the car I'll start with around 34 degrees all in around 2800 rpm and ramp in another 2 degrees to 6000 rpm.
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-Jason 1969 Pontiac Firebird |
| The Following User Says Thank You to JLMounce For This Useful Post: | ||
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#112
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Quote:
Last edited by 65 Lamnas; 09-26-2024 at 12:00 AM. |
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#113
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I was only 4 h/p off. lol That car should go into the high 10's at 3600 pounds. now lets guess his 1/4 mile times. 10.95 @ 123 mph
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68 Firebird. IA2 block, 505 cu in, SD Performance E-head, Solid roller 3600 weight. Reid TH400 3:90 gear. 28" slick. Best so far 9.95@135 mph. 1.39 60 ft. 76 Trans am, TKX .81 o/d, 3.73 Moser rearend, 468 with KRE D-ports, Doug headers, 3" Exhaust 950 Quickfuel. |
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#114
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That made more than I would have expected. Sure would like to see the BSFC numbers though, oddly those weren't provided on the dyno sheet you were given. Any mention of it while you were there?
Get it in the car already ![]() I'm one step behind you, I'm off to the dyno this morning. |
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#115
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Quote:
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Based on what the car ran previously, with a slick and a 60' somewhere around 1.8 or so I think it would go deep into the 12's, possibly a very high 11 at altitude. Quote:
Sounds like a lot of people are finishing up builds right now. Always good to see that!
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-Jason 1969 Pontiac Firebird |
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#116
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Yeah that's a nice oil pressure curve. Did they adjust the oil level in the pan? Take any out?
I just ask as sometimes the level on the stick tends to bit a little much and cause oil pressure to drop some at higher rpm, and engines usually pick up some HP by taking oil out and cleaning up the oil pressure curve. Yeah the build I'm on started in March of 2023 lol so it's been a year and a half for me. I'm glad to finally see the home stretch |
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#117
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No windage tray as the pan has a mesh screen that acts as a windage device. The pump is also the Nitemare Performance pro pump with their gun drilled/hardened driveshaft.
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-Jason 1969 Pontiac Firebird |
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#118
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That sounds like an incredibly great build. Can't wait to hear and see it!! Very nice!
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear https://youtube.com/shorts/gG15nb4FWeo?feature=share |
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#119
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I need to get those on the engine today, phase the distributor and change a couple fittings for use with the FiTech. Should have it fired tomorrow afternoon.
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-Jason 1969 Pontiac Firebird |
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#120
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The saga is at an end. Over the past several weeks I've put the engine in, made some wiring and fuel plumbing changes and finally fired it up in the car this past weekend.
https://www.youtube.com/shorts/1O3aU7SHp88 Happy to report everything is kosher in the car. Hot idle oil temps are just below 40psi and the engine runs at 180 degrees, right on the thermostat. I have some fuel and transmission tuning to do, but now it's all about putting some miles on the car while the weather is still decent here in Colorado. First up, is a much needed bath and detail. Thanks to everyone that followed along on this journey and offered support and wisdom, it has been greatly appreciated!
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-Jason 1969 Pontiac Firebird |
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