Halfbridge autocross/drift car
11-17-07, 08:27 AM
#1
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Halfbridge autocross/drift car
Alright my engine is gone and now im trying to see what to get. I was looking at a half bridge and was wondring if anybody knows or can tell me from experience if you can build an autocross/drift car with the halfbrige? Reason im looking at a halfbridge is that i found a good price on one and i heard good things about them. I also love the sound, i just havent heard much about them regarding autocross and drift. Any info would help.
11-17-07, 10:34 AM
#2
The half bridge is a good idea in my opinion. The half bridge will cause a small loss in bottom end. The loss in bottom end will not even be noticeable. Since you want to go autocrossing you should never drop bellow 3k rpm anyway (in most cases). If you want to go drifting a half bridge or even better a full bridge is the best way to go. Scalloped rotors will also give you the sound your looking for but are a less radicle solution.
11-17-07, 08:59 PM
#3
you do not need a half or even a full bridge for what you plan on doing. an aggressive street port is best.
for drifting you can get away with a half-bridge. most drift and/or autox rotaries tend to go with a street port and is just a waste of money going with ports bigger than that for what you want to do.
beveled rotors are a good idea to gain low-end power in a very tight drift where you need as much power in the low end as possible. but i am weary of beveled rotors as there is a better chance of damaging the side seal groove if they are cut too close
for drifting you can get away with a half-bridge. most drift and/or autox rotaries tend to go with a street port and is just a waste of money going with ports bigger than that for what you want to do.
beveled rotors are a good idea to gain low-end power in a very tight drift where you need as much power in the low end as possible. but i am weary of beveled rotors as there is a better chance of damaging the side seal groove if they are cut too close
11-18-07, 09:36 AM
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lol...ok you guys are basicly contradicting yourselves....basicly one person says half bridge to have better high end and the other street so you dont loose any low end because thats mainly what you need...tough decision. any other opinions out there?
11-18-07, 10:02 AM
#5
In my limited experience, autox does ask for low-end. Quite a bit of it. Jamming into 1st and then making the upshift takes a lot of time.
Plus you never mentioned the autocross class you intend to run. It takes a lot of driving skill and purposeful modification to be competitive in autocross with an FD. The loss of low-end would not be nearly as difficult as the class you've moved the car into.
Drift and competitive autocross need good driving skills. Focus on driving, and keep the mechanicals simple. The more you drive the more focused your goals will become and at that point you can assess what mods to do and how it will affect your competitive advantage.
Dave
Plus you never mentioned the autocross class you intend to run. It takes a lot of driving skill and purposeful modification to be competitive in autocross with an FD. The loss of low-end would not be nearly as difficult as the class you've moved the car into.
Drift and competitive autocross need good driving skills. Focus on driving, and keep the mechanicals simple. The more you drive the more focused your goals will become and at that point you can assess what mods to do and how it will affect your competitive advantage.
Dave
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