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#1
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nitrous gurus-step in
the car: 1972 plymouth satellite, 2 dr, 318 auto. totally stock except dual exhaust. i need to know exactly what i need to upgrade in order to run a 100 or 150 shot. i'm assuming the stock 2bb carb won't be helpful, at summit they offer intake/carb combos. would i want the 600 or 750cfm? what intake is best? do i need to upgrade the fuel pump? do i need to upgrade engine internals or valvetrain? thanks guys
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#2
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Pass on the Summit package. IT's not that good. Get a Weaind action plus and a stock 800 cfm thermoquad. MUch more throttle responsive than any holley. You can use the quad plate system under this carb. You'll need to richen the carb about 2 steps. A good fuel pump is a must. A good ignition system is a must too. Such as an msd box. A 100 shout should be enough and it can only be used at w.o.t. too.
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#3
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isn't an 800 a little big? also, do i need to get colder plugs?
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#4
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No, they are spreadbore, and they are not made to work like the other carbs.
Almost like a quadrajet... And they came stock that way |
#5
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Quote:
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#6
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thanks for the info guys, if you have any more tips let me know. so i need: upgraded fuel pump, carb, intake, is that all? how strong is the stock valvetrain? and the engine internals? am i really gonna mess something up?
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#7
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You should not be turning any more rpm, just getting to the red line a little faster so your springs should be fine. Unless they are worn out. They do make cams just for nitrous use, but that's more for use in a race engine.
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#8
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yeah, i was just kinda asking everything that came to mind, that makes sense though. would i benefit from a mild cam?
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#9
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very much so. Might send an E mail to comp cams about a n2o specific cam.
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#10
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im also doin a nitrous system on a 72 swinger, and would like to know what distributor/box is the best for my car
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#11
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No doubts on that, MSD hands down. And you can run a nitro timming retard baox with it too.
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#12
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MSD has a new system setup with the guys who love giggle gas in mind, it has a built in timing retard function.
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#13
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a jacobsen nitrous controller is also a nice for safety(and low budget)
it features rev limiter,ignition retard and fuel pressure cut-off safety. my 69 dart with action+ and matched cam from summit,650 speed demon and tti headers runs 12.8 on skinny street tires (100 hp spray) (stock engine,stock ignition) |
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