Proformance Unlimited's Pontiac 400...Live engine run
Pontiac 400 built by Proformance Unlimited Live Run http://www.proformanceunlimited.com/
You can view this engine package at the following link: http://www.proformanceunlimited.com/specs/pontiac_400_375tk.html
Pontiac 400 with 450 HP engine package with Edelbrock aluminum heads can be custom designed to your specific needs. All engines can be custom painted to match your vehicle at your request. We can outfit your engine with the exclusive March Performance serpentine belt system. We can also assist you in choosing the proper transmission and stall speed converter combination for your vehicle and have it shipped directly to you as your performance crate engine is being built.
70 Double Blown GTO
My 1970 GTO with two blowers. It's 474ci Pontiac engine with a 8-71 blower on top of a 6-71 blower. This is from the last day of being double blown. I'm going to one single 8-71 blower and going racing. The front clip was removed to make it easier to work on. The reason for the double blowers was not as a power enhancement like many ASSume. I stacked the blowers to have a car that stood out in the crowd. Most Pro Street cars were starting to blend together. If you seen one, you had seen them all. That wasn't the case with this GTO. Al someone had to say was "The double blower GTO" and people knew which car. I was told it couldn't be done, so I attempted it and it worked. It stayed that way for almost 2 years. I knew a twin turbo setup would make more HP. I knew I could have run a 14-71 blower and made more power. That wasn't the point. I wanted to be different than the other cars in the parking lot, I did that now it's time to ove on. For all those people who don't understand why, I'm not going to try and explain it to you anymore. Get over it. I didn't expect EVERYONE to love it. But you won't forget it.
COMP Cams® Quick Tech: Proper Flat Tappet Cam Break-In
This Quick Tech Video from COMP Cams® is a how-to video for proper flat tappet camshaft set-up and break-in. As any engine builder knows, proper break-in is key to how long a camshaft will last and how it will perform.
PONTIAC - stock Pontiac Super Duty 421v8/405hp vs stock Chevy 409v8/409hp on DYNO
WATCH THE VID TO SEE HOW CLOSE THEY Dyno TO THEIR FACTORY 405hp/409hp ratings. Growing up.....Pontiac/Oldsmobile old timers/EXPERTS who taught me most of what I know, often told me Chevy rated their horsepower in a more optimistic way than say Oldsmobile or Pontiac. I've even heard Pontiac rated/tested their engines in a 100 degree room, compared to Chevy in a 60 degree room. These Dyno results seem to reflect that some of what I heard was true. Both of these engines are great, but the results do seem to show that Pontiac was not rating their horsepower worrying if it would cause "songs to be written" about their engines .... like the great song "She's real fine my 409"--(Chevy).
Pontiac 400 for sale Edelbrock heads, comp cam, quick fuel carb, be cool radiator
This 400 was rebuilt 18 months ago. It has 3800 miles on it. It has Edelbrock heads, comp cams 305h magnum cam and edelbrock lifters, cloyes double roller timing chain, arma-steel crank, scat forged rods, ross forged pistons +.030, melling ram air 4 high pressure oil pump, clevite bearings, harland sharp 1:65 roller rockers, edelbrock torker II intake, quick fuel 850 double pumper carb, also includes the be cool radiator with the electric fans
1969 Pontiac Firebird 400
This is my 1969 Pontiac Firebird 400 project-Plans for this car are drum to disc brakes upgrades first! You can hear the old drums squeeking as I brake! suspension, interior, and house of kolor candy apple red paint with black rally stripes! Audio system and interior are already being worked on. Also im planning to lower it 2 inches all around. Im debating on wether to paint the wheels black or match them kandy apple red? or try to combine both black and candy red for the rims? What do you think?
Engine is a freshly rebuilt 400 block, .060 bored, hooker headers, holley carb, holley electric fuel pump, and dual flowmasters. For now not focusing on the engine but I've been thinking about rebuilding a faster 400 and upgrading the automatic transmission to a manual shift 5 speed. Not trying to build a car show quality or a superfast car, mostly a cruiser and once in a while fun at the drag strip.
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Pontiac 400 engine after rebuild
This is engine for my new 1977 Trans Am "Racer". Specs: '73 block with stock type crank (.010), pistons (.030) and rods,'69 heads No. 46 with no mods, stock '69 intake manifold, Summit headers, CompCam 268 HE complete camshaft with stronger valve springs and 1.6 roller rockers.