318 6-Pak ??

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    Author Topic: 318 6-Pak ??  (Read 1340 times)

    Offline GCC

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    318 6-Pak ??
    « on: February 01, 2006 - 11:44:47 AM »
    I have a '70 318 motor with stock compression (.020 over) pistons.  It has 360 heads with the 2.02/1.88 valves, stock intake with an AVS 4-bl and headers.  I think the stock compression was 9.1 (?), but is probably a little lower now with the 360 heads (??) Don't know the origin of the cam, but it seems somewhat aggressive in the low end and has only a slight lopey idle.  Would a six-pak set-up be too much for this motor?  This motor is running with a 4-speed, 2-1/4" exhaust and 3.55:1 gears.  Any opinions?? :thumbsup:   :2cents:   :working:
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    Offline Chryco Psycho

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    Re: 318 6-Pak ??
    « Reply #1 on: February 01, 2006 - 12:05:22 PM »
    the 6 pack when set up correctly is awesome , it will only open to demand & is very tunable , so yes it will work with the 318 , & yes the 360 heads are slightly larger than the 318 heads so compression will drop .5 approx
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    Offline ESGEE

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    Re: 318 6-Pak ??
    « Reply #2 on: February 01, 2006 - 02:04:37 PM »
    I had a 6-pack on my 318 and it screamed like a wolf(after really much tuning) but couldent keep it since it would have broke, but then i put 340 heads on and i will try again, it should be more right(after recommends from a Mopar guy) så your will work just fine i think...
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    Offline moparnut

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    Re: 318 6-Pak ??
    « Reply #3 on: February 01, 2006 - 04:35:41 PM »
    How about a /6 6 pack?lol.I used to have one in a 240z,but it was the datsun 6 cyl,I put 3 side draft webers on it and it SCREAMED
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    Offline ESGEE

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    Re: 318 6-Pak ??
    « Reply #4 on: February 01, 2006 - 04:44:14 PM »
    Hahaha i can sure image it, the worst i did was monting 2 Webers and a sick cam on a old 4 cylinder Volvo, that one could race Turbo cars, i do miss that old teenager car sometimes...
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    70 Challenger RT/SE(Looking for 383 Magnum N0B196875)
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    Offline Stacked440

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    Re: 318 6-Pak ??
    « Reply #5 on: February 01, 2006 - 07:21:39 PM »
    hehe i got a 5 cyl. volvo^^  I've seen 2 webber side draft carbs on an opel GT 4 cyl and it would motor pretty good. :burnout:
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    -Kyle-
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    Offline dimples

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    Re: 318 6-Pak ??
    « Reply #6 on: February 03, 2006 - 09:14:28 PM »
    Most stock 318's (in the 67-72 range) end up about 8.1 to 8.6 stock compression.
    Never got to mess with a six pack much........sure would if I had the chance!
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