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horsepower

  1. Building my first motor!

    Hotrodding Basics
    Hey Y'all! as you can tell from the title I'm getting ready to build my first motor from scratch. I've got the block and even better ive got my mechanic friend ready to check my work as I go. Now here's the hard part: learning what to buy. The block is a 70's era 454, pretty good shape. I...
  2. How Much HP?

    Hotrodding Basics
    My engine is finally going together and I’d like to hear from some of you more knowledgeable guys what you think the hp is going to be. Here's what I’ve got: ’94 351W with a stock deck height of 9.503. Squish/quench is .066. ProMaxx aluminum heads with 60cc chambers, 2.02/1.60 valves and a...
  3. 305 cheap build (need opinions)

    Engine
    I have a 87 Monte Carlo LS with what I believe to be an HO 305. The reason why I'm not sure is because it's made of so many different car's parts. Not sure if the engine is stock but the head's casting was 081 so I assume it's an HO. From research I found that it's an LG4 which was machined for...
  4. L65 V8 I want 300HP

    Hotrodding Basics
    Hi i have a 1973 Pontiac Laurentian (Chevrolet Impala) that has an L65 2bbl 350 V8 that produced 150hp when new. Im new to engine mods and im wondering what i should do to get around 300Hp. i want to spend around $1000. i have heard that 305 heads a 4bbl intake and carb and headers and exhaust...
  5. Horsepower & Torque/good combination?

    Hotrodding Basics
    I know I've posted a similar thread in the past, but a lot has changed with this motor since then. If anyone would be able to provide an estimate of the horsepower and torque this engine will produce that would be awesome! This is going into a 1978 GMC truck with a TH350 w/ shift kit and 3.08...
  6. Cam and Performance Heads vs 383 Stroker for SBC 350

    Engine
    I have a bone stock 1980 vette with a SBC 350 and a 700R4 transmission. The car is slow as snow and i want to make it faster, but i dont want to piss off my wife and neighbors from the noise of a super loud engine. I have spoken to a local performance shop that said they could stroke the engine...
  7. 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...
  8. 383sbc HP and ideas

    Engine
    I found out that I have a 383 in my 79 Camaro. I was wondering what type of horse power I would be making and if I switched from 76cc to 64cc heads would do. The engine is a 1970s 350 bored 30 over with flat toped pistons. Forged rods and a 400 crank with a push on harmonic balancer. It has a...
  9. Estimated HP of 9.6:1 350?

    Hotrodding Basics
    Hey all, I was just wondering if anyone has a HP estimate of my motor? It's a 350 with stock crank, rods, pistons, and bore. Piston is about ".024 in the hole. Keep in mind i don't take the motor past 5500rpm due to stock rods and fasteners. Here's what's done to the motor: *Comp Cams solid flat...
  10. Chevy 350 - help build 350-400 horsepower (combo)?

    Engine
    Engine is Chevy 350 has a Holley 2b carb Help build 350-400 horsepower. Combos if possible hoping to reach over 350 HP. Low budget $1,000 Decisions if I get edelbrock or other known brands for my project. Heads? Headers? Cam? Exhaust ? Manifold? #valuable knowledge is appreciated. :smash:
  11. 390 Ford Engine

    Engine
    I want to know if anyone can assist with informations regarding a 390 Ford Engine off a 1965 ford pickup. I'm interested in purchasing the 390 ford engine. These are the numbers I located on the intake manifold C5AE 9423 B and below these numbers there are other numbers 5J10:. In front of the...
  12. Horsepower estimate for the Gen III Vortec V8

    Hotrodding Basics
    Hey HotRodders, I was on here earlier looking up how to build the cheap made in mexico 350 V8 and seen how big the gain in horsepower was with the ported Vortec heads, intake, and Holley carb. I realized that i have a Vortec engine thats in great shape so ive decided to build this...
  13. Engine Building: Horse Power vs Torque-Oriented Configurations

    Hotrodding Basics
    Hi All, I regularly see engine ratings for the same or similar displacement engines with varying horse power and torque ratings depending on their intended use. Some engines are used in towing/hauling applications, thus having lots of torque (trucks, SUVs, mini vans). Others are used in...
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