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  1. Looking for OLD School Mechanical advice

    Engine
    My 84 K20 has a 502 BBC, it ran strong then started dying at stops. It got so much worse it doesn't even run now. I changed all tune up componets, even put a brand new distributor on, same thing. I assumed it was the fuel injection so I took it off and put on a Demon 850 carb. STILL, same thing...
  2. fuel problems

    Engine
    I have a 352 with fuel problems. If I gravity feed the engine it runs fine, but I am not getting fuel from the pump to the carb. the mechanical pump is new with new fuel line to the sending unit. the sending unit is new as well. i have had this problem with the stock carb so i installed a holley...
  3. New Headers and Ignition... needs A LOT more fuel?

    Engine
    Hey all... I have a nice 10:1 355 SBC with the Isky z25 cam, 1.43" Comp dual springs, 1.6 rockers, eddy performer rpm heads, Summit single plane intake, Holley HP750, etc... nice strong motor up to 6500 RPM, love it. With my old ignition (Taylor HEI) and headers (Sanderson 1.5" primary...
  4. holley carb question

    Engine
    hi i have a carb off of a 1979 ford 460 its marked 80457-2 2229 on the air horn just wondering the cfm thank you.
  5. Quadrajet or Holley?

    Engine
    I need a new carb for my Camaro. It's a built 350 with Vortec Heads and a LT4 Hot Cam. The motor should be around 400hp. Should I go with a QJET or a Holley? My dad said both work well and its my choice. Its a 5 speed and its a weekend fun car. I want good throttle response and decent gas...
  6. Tuning Holley carb

    Engine
    I was advised to buy a fuel to air ratio (Fast or Holley ) wide band O2 sensor hook up to tune in my carb. Does anyone have experience with any of these or recommend one over the other? I am getting black smoke and black plugs plus smelling like exhaust after driving the car. It's a 700 cfm...
  7. Is this a decent build?

    Hotrodding Basics
    Long story short - I am thinking about buying a car and wondering about the engine build. It was owned by an old hot rodder and he has passed away, and his daughter who inherited the car is a good friend of my girlfriend. She doesn't know anything about the engine other than a plaque in the...
  8. help me to Optimize gm v8 intake manifold

    Hotrodding Basics
    hi I already did this optimization : http://img.overpic.net/images/9/9/2/x992vvgi1ou904pe8lf5.jpg but There is still a problem and i marked them previously optimization is i removed the wall of the 1-3 canal and 2-4 ... now when installing the carb for 1-2 barrel have a big problem and this...
  9. 4160 carb help

    Engine
    Hey y'all, I bought this Holley 4160 600cfm vac. secondary carb. It looks like someone tried deleting the vacuum function because the hole for the diaphragm was sealed up and there was a screw on the throttle linkage for the secondaries that was adjusted all the way to open with the primaries...
  10. Holley Performance cylinder heads???

    Engine
    Was searching craigslist for a roller long block and ran across these Holley heads. So I did a google search, as I do with all craigslist parts that interest me, but found NOTHING! Poster did not include casting numbers. I didn't know Holley even made cylinder heads. Anyone heard of these?
  11. Finding Secondary Jet Size for MAX HP

    Engine
    Alright so I've been ALL OVER the internet trying to find a good answer to this and I really haven't come up with much. How do you find your secondary jet size (with max HP in mind) on a traditional Vacuum Secondary Holley 4 Barrel without an AFR gauge or a drag strip to evaluate E.T.'s and...
  12. Holley Carburetor Leaks Fuel out of Primary Bowl into PV cavity

    Engine
    Well! Once again again again again I'm messing with my Holley lol. I need help and this is the place to go for answers. Holley 670. I have done a lot of different things to it to get it to run right, and I've had it dialed in very well. I figured out I need adjustability in my Idle Feed...
  13. Holley 4150 major flooding

    Engine
    Thanks in advance for any help or advice. I just bought a 79' Malibu that was a steal of a deal and i couldn't pass it up. the guy i bought it from said the starter was bad so i changed it and it cranks fine. I couldn't get it to start without my foot all the way to the floor and it would not...
  14. Holley Carb Tuning- Misfire/Lean surge below 2500RPM

    Engine
    Hey everyone! Back again! I'm here again with another tuning issue. I come here because y'all never steer me in the wrong direction and tend to get me right back on track. I try and do everything I can to my knowledge or extent before I come here through researching forums and trying to...
  15. 383 Horse Power?

    Hotrodding Basics
    I have a 383 stroker and wondering what the power would be. from top to bottom. Holley 750, edelbrock performer eps intake, the corvette 882 heads with the large valves and port and polished and machined to I think 72cc chambers, the thinnest head gasket I think its .015, Bored 30 over with...
  16. holley 750 double pump jet size

    Hotrodding Basics
    Hey guys. I have a mild 350 sbc in my street rod. Really do not know the specs on the motor. But it is no street demon for sure, just a simple cruiser. I installed a 750 double pumper on it, basically because it looks really cool. It came with #74 jets. Had a hesitation when feathering the...
  17. Holley tuning help

    General Rodding Tech
    I have a four barrel holley I just used on my carb swap and I need some help tuning it its a 650 cfm
  18. Timing

    Engine
    So all in all im a rookie. just got myself my first car and im having a blast. Thing is i need to learn everything so i can tune, maintain and build it... what i am wondering is how to determine the appropriate timing for the car.I bought it built already and have no real communication with the...
  19. Holley Carburetor Running Rough

    Engine
    Engine:289 SBF Carburetor: Holley 4160 600cfm Fuel Pressure: 4psi regulated Recently I sent my carburetor to be rebuilt. Upon installation and initial test of the rebuilt carburetor I encountered extremely rough running condition at idle and through the rpm band. I adjusted the floats per...
  20. Holley 4150 flooding!

    Engine
    hey guys, I bought a brand new 4150 600 double pumper carburator last april, it works amazing, this year i decided t try it on my dads truck, its flooding the front shute!! i took it apart and cleaned it now 3 times and set the floats twice. i cant get it to stop flooding, someone please try to...
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