040" Cometic head gaskets (.070" quench!!.not ideal). He didn't find any marks or stampings to distinguish this head from the bigger chamber 48's used on 400's. The 48 heads combustion chambers measured in at 66.7 cc's average. The replacement exhaust system is a Pypes crossflow w/X pipe system with the 2.5" headpipes. 467"/.494" lift), which is a good cam for a 10.0 400 with big valve heads and RA manifolds. I need to make a few corrections.the milder cam that Dan installed is actually 203/216/112. They run just as well with the small valve heads. I can honestly say we have all been impressed with the performance potential of the Pontiac 350HO’s and shouldn’t be overlooked. This is not meant to be an argument, but clarifications. It has to be proven on the track someday, but Dan and Tom have enough seat time to make fairly accurate predictions. Tom Miller drove the car this summer and said it felt faster than his old ‘69 350HO Bird. The smaller cam made a huge difference with how the car drives and makes its power in the low and mid-range now and revs to 5500 rpm easily. ![]() He designed it for maximum torque yet good hp, like Mac McKeller did. Dan worked on the DeskTop Dyno and designed a custom cam that is in between the 067 & 068 cam specs with. When Dan bought the car a couple years later, he hated driving it with the CC cam that was in it from the rebuild. Tom Miller ran a 13.63 102.58 in his ’69 Carousel Red 350HO Firebird with a TH400 and 3.73 gears (3576 lbs) back in 2006 (don’t know the engine specs). With all the changes it ran 13.97 at 100.25 mph (3658 lbs. An Eaton posi unit was added and a better 2.5” exhaust system (Flowmaster) was added. The pistons may have a small dish, but haven’t verified. The compression wasn’t maxed out and Whistled at 9.5 to 1 warm. It pushed to power band higher than it was designed to rev with no low end torque. 7.52 1st gear multiplication for a 20% advantage) could get 4-5 mpg more.įrom the performance perspective, the previous owner to Dan brought the just-purchased all original (50k miles) Firebird up to the Pure Stock Drags (2011) and managed to a run 14.38 at 98.66 mph with the original 3.55 open rear end on new repop Firestone F70-14’s on 14x7 Rally II’s…pretty good I’d say.īefore the next race (2012) he had rebuilt the engine (stock bottom end with. 2nd gen w/AC) with a deeper 1st gear and slightly higher rear end ratio for (8.95 vs. It doesn’t surprise me that a smaller cube engine (100+ c.i.) with higher compression (9.5 vs 8.4) along with 400 lbs less weight to tug around (1st gen vs. I was able to manage 14-15 mpg in my ’71 455HO Formula with 3.42 gears. ![]() This was roughly 90% country road steady state driving at 55-65 mph mixed in with a dozen, or so, small town stop & go. The mpg’s were determined on the 600 mile round trip journey to the 2019 TA Nationals and back with Dan calculating at each fill up. What is the car’s typical range on the highway on a tank of fuel? I would expect ~200 miles or so with that combination. ![]() I’d be dubious on the performance AND mileage claims as both being accurate together on the same car. We can also arrange delivery to almost anywhere.Really nice looking example thanks for posting. ![]() You can apply directly on our website (by clicking on the "Financing" tab. Low rate financing is available with rates as low as 3.5% APR with approved credit. This car is consigned by a motivated seller, is exempt from California smog requirements, comes with a clean and clear title. Please be sure to watch the video test drive. In my opinion this generation of GM convertibles are among the best driving and most reliable muscle cars ever built. It starts, steers accelerates, shifts, brakes and turns perfectly. The Firebird drives absolutely superbly! I drive hundreds of cars a year and this is one of the best I have driven in a long time. The engine compartment is also completely stock with the original engine, three speed automatic transmission, power steering, newer master cylinder with brake booster, front power disc brakes, rear power drum brakes, new rubber seals, seat belts, and new AM/FM stereo with I Phone/Android capability. This car is completely rust free body with good body panel fit, respray of the original color paint, new seat covers and dash cover, and a newer convertible power top. This Pontiac Firebird convertible has been lovingly restored to high quality driver's car condition and will not disappoint. Rust free completely stock and straight convertible, reliable, comfortable, fun!
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |