David[RL] Posted August 4, 2004 Report Share Posted August 4, 2004 What can I do to make my 4k engine more powerfull? I want about 100hp +/- Quote Link to comment Share on other sites More sharing options...
Teddy Posted August 4, 2004 Report Share Posted August 4, 2004 To do this you need to talk to superjamie. !! :dance: Quote Link to comment Share on other sites More sharing options...
Super Jamie Posted August 4, 2004 Report Share Posted August 4, 2004 do some research, we've gone over this 10 billion times http://www.superjamie.net/ke25/ is my engine basically you need cam, headwork, better carburettor Quote Link to comment Share on other sites More sharing options...
Felix Posted August 4, 2004 Report Share Posted August 4, 2004 also decent extractors and sports exhaust system. Quote Link to comment Share on other sites More sharing options...
Redwarf Posted August 4, 2004 Report Share Posted August 4, 2004 How long is a piece of string?? Quote Link to comment Share on other sites More sharing options...
demuire Posted August 5, 2004 Report Share Posted August 5, 2004 sports exhaust system Oh how I love that description. It's so... descriptive! Quote Link to comment Share on other sites More sharing options...
Felix Posted August 5, 2004 Report Share Posted August 5, 2004 ok, i'll elaborate. for the power level the original poster was talking, i would keep the exhaust system under 2 inches for a 4k. any bigger and you will just lose low end torque. i would recommend a 1 7/8" system for best all round performance for a high output street engine. find a place that does good work, one that will let you watch. i don't think mandrel bends are really necessary (only a 4k), so long as they use thick wall tubing and know how to use a press bender properly. get them to put a 3 bolt flange on the extractors, you will be a lot happier when it comes to an engine change. Quote Link to comment Share on other sites More sharing options...
andrew Posted August 12, 2004 Report Share Posted August 12, 2004 just do what i did, bolt on the first turbo you see, use a blow thru carb, wind up the boost, and have a spare motor at home! :D or you could do it propelry if you want it to be reliable :dry: Quote Link to comment Share on other sites More sharing options...
irokin Posted August 12, 2004 Report Share Posted August 12, 2004 nothing wrong with popping 4Ks...cheap as chips Quote Link to comment Share on other sites More sharing options...
andrew Posted August 12, 2004 Report Share Posted August 12, 2004 exactly. when it went bang, i just dropped in another not hard at all Quote Link to comment Share on other sites More sharing options...
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