How can I make the 302 motor faster in my '71 Comet?

Discussion in 'Technical' started by lika, Nov 27, 2008.

  1. Hottrod1991

    Hottrod1991 Member

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    for the trans suggestions. put a trans-go shift kit in along with a 2600ish coan converter and a nice trans cooler for youre c4

    also if youre doing anything like a new cam, perhaps roller rockers and 600$$ or so on a nice street port job ;-)
     
  2. tim keck

    tim keck truckdrivintrailertrash

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    Holley 500s use more gas.The 350 holley,or like Paul says a carb from an earlier motor will do you better.Also some cheap tips;
    tune up
    new plug wires
    new plugs-check the gap before you put 'em in
    advance your timing a bit
    synthetic oil-not real cheap but if you're gonna change oil anyway it frees up a teeny bit of power
    moderately priced upgrades;
    gear swap-I like 3.55s.Look around for v6 Pintos/Mustang twos for cheap 3.40-3.55 gears.
    dual exhaust-a good 2.25" system will be fine for stock on up to 350-400 hp.
    headers-not really needed if you're not gonna do any head work IMO.Sound good though.
    4 barrel carb/intake-used performers can be had off evilbay for $100 or less,a 600 holley can be found for about the same or less.Just keep your eyes/ears peeled
    swap over to electronic ignition-the factory "Duraspark" works well,rob it all off of another 302 powered,carbed vehicle.Don't drop big bucks on MSD stuff for a mild street car,you'll never feel the difference(for the $$)over the factory stuff.
    K&N filter-not a huge power maker,but it'll last 4 ever with regular cleanings.
    more expensive stuff;
    cam swap-stay mild unless you like the rumpitty sound or....
    stall converter-you'll need a stall so it'll idle in gear at a redlight.An 1800-2500 stall works well,but with stock 2.79 or 3.00 gears can lead to a smoked tranny if you do lots of around town low speed driving.
    head work-gasket matching(porting out) the exhaust side does wonders on small block fords.
    These are just my opinions based on the assumption that you have little cash/and/or little knowledge of cars.Opinions are like....well,everybodys got one.I would do the following in order-full tune up-gear swap-exhaust-carb/intake.Beyond that starts the more serious(read-more expensive)stuff.Have fun.:D
     
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  3. justin has a 74

    justin has a 74 Maverick bandit official

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    would it be better to go with a better 2 barral or get the intake and a 4 barral???

    THAT is the question
     
  4. tim keck

    tim keck truckdrivintrailertrash

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    depends how much money he's got.
     
  5. Hottrod1991

    Hottrod1991 Member

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    4 barrel will usualy be better then a two barrel in both aspects of economy and performance...its just up to youre right how well you distribute the two lol
     
  6. lika

    lika Señor Comet

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    Last edited: Mar 16, 2009
  7. Hottrod1991

    Hottrod1991 Member

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    like i said a 4 barrel would most likely give you better mpg over a two barrel due to it having smaller primarey holes...and as long as you stay out of the secondaries...
    but if cash is a problem...just stick with the 2v setup
    if you have a lead foot stick with the 2barrel as flogging a 2v wont kill youre gas as quick as flogging a 4v lol
     
  8. tim keck

    tim keck truckdrivintrailertrash

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    To switch from a 2bbl to a 4bbl you'll need a 4bbl carb/gasket and a 4bbl intake manifold,an oil change,antifreeze(the 302 intake is "wet",when you pull it some coolant will spill out into the lifter valley-into your oil)and an intake gasket set.
     
  9. lika

    lika Señor Comet

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    This information helps very much

    Thank you!!!!!!!!!!!!!!!!!:thumbs2:
     
  10. lika

    lika Señor Comet

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  11. Bryant

    Bryant forgot more than learned

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    i wouldnt pay more that 100 bucks for a used holey
     
  12. markso125

    markso125 Member

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  13. lika

    lika Señor Comet

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  14. Bryant

    Bryant forgot more than learned

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    cant even see the motor in those pics with all the vac lines and wireing on it. should look alot beter once your done. keep up with the progress updates.
     

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