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  1. Hotrodding Basics
    Im looking for some thoughts on putting vortec heads on my 1987 Pontiac Firebird 5.7 tpi. After looking around I found that I wouldn't be able to run the stock intake manifold because of the vortec bolts being different from the current swirlport heads. I couldn't find a conversion for under...
  2. Engine
    I'm having trouble doing the initial startup of a 350 TPI (MAP) in a 32 Ford Roadster. The engine is a crate rebuild from AZ. The computer is an EZ-EFI Multi Port Retro. The engine starts right away and idles at 1200 to 1650 rpm with a hint of backfiring when warm. When you touch the throttle...
  3. Engine
    Flow bench tests/numbers for TBI/TPI intake port 187 casting, aka Swirl port. These numbers are to correct the misinformation out there about the Swirl port, the flow numbers for the HO head as you will see below cannot be interchanged with the swirl port, the swirl port is in fact a far...
  4. Hotrodding Basics
    Okay... I have a friend that wants me to rebuild the motor out of his 86 f-body. Its a 305 TPI with an automatic transmission. He was having issues with it over heating and drove it anyways and now the engine runs pretty rough... Im thinking instead of rebuilding the 305 why not swap in a...
1-4 of 4 Results