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Kirkham Motorsports

 
 
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  #4 (permalink)  
Old 05-20-2011, 02:17 PM
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
Posts: 3,841
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Default Unless you are having a drivibility problem, leave it alone.

Foghorn if you don't have alot of time already with an fi system, I will tell you to pass on this. Reasons Why---
1 Not sure what you want out of the car but FI is not going to give you more power. You have a good carb on your 482.
2 If you want to switch to an FI system heres a couple of things you will need to do electric fuel pump in the fuel tank or a very low bung in the side of the fuel tank for a fuel pump. Quessing on needing 45 psi of pressure for the injectors, fuel lines may need to be changed, if notthing else to a larger line of 1/2". IMO 3/8" is too small for 44 pound injectors at full song.
3 You have only stage 1 KCR heads. THis is great for a street motor. if you are looking for more power, need stage 3. Intake manifold needs to be flowed and port matched to the heads. Different intake manifold like a single plane. 1,200 cfm min flow throttlebody. 1,400-1,600 cfm would be better but need to slow down the ratio between your foot and the throttle body linkage.
4 EXHAUST, if you are running side pipes are they a street or track setup? Street are quieter and cost about 20-40 HP alone. Track pipes make you deaf in the left ear plus the cops love you and your money.
5 This is a basic system. It will fine tune itself AFTER you setup the computor with all the info you need to just get it started. The tune will be soft and on the rich side.
Need to drill a hole in one of the side pipes for the O2 sensor if it's a closed loop system.
Sounds like you motor is a nice small hydro roller motor. Leave it alone unless you REALLY want to get serious with an FI system. This would be a F.A.S.T. with a TWM set of throttlebodys in a 58mm size for a motor this big. You will get all the atension you want when you pop the hood. You are also looking at about 8G for this setup and about 3-4 hours for a complete dyno tuneup. Power wise you will be a little scared of the car to start with. Not much is going to pass you on the street either.
I always think it is better to leave what you have alone and just enjoy it. The HP sickness is just that, SICK. Rick L.
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