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big gun for 400ex

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Old Oct 12, 2000 | 11:11 AM
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turd04's Avatar
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has anyone tried them? do you really get the claimed hp?
 
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Old Oct 12, 2000 | 01:07 PM
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we like our BIG GUNS> 00 300 & 400 EX's
 
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Old Oct 12, 2000 | 01:12 PM
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i have big gun complete system with 155 main 42 pilot and uni-filter with no airbox lid and i smoked 2 other 400's by about 4 or 5 lengths in 3 drag races on sunday,one had a double barrell and the other had a white bros. e-series slip on.
 
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Old Oct 13, 2000 | 12:17 AM
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On a somewhat built engine they do not flow enough. The best is white bros promeg, or a race exhaust from LRD or Sparks.
 
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Old Oct 13, 2000 | 10:39 AM
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hey ex2k, who are u? i live in shenadoah too..... i have a 400 on the way and i was looking at a big gun too, no complaints?
 
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Old Oct 13, 2000 | 03:45 PM
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I JUST INSTALLED MY WB PROMEG SYSTEM WITH TWIN AIR FILTER AND DYNOJET KIT.IM USING 170MJ AND 3.5 TURNS OUT ON FUEL MIXTURE SCREWS. THE RESULT IS A REAL RIPPER, VERY IMPRESSED WITH IT NOT HAVING ANY ENGINE MODS YET....
 
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