![]() You will need to purchase another distributor that has mechanical advance feature. Option 2 will only be for timing control units, such as the one I recommended above. All the units can run "without" timing control, so option 1 will work with any unit. The 400 units are lacking in features such as timing control and fan control. If you have not purchased a unit yet, I would recommend the 600na Go EFI 4 system, #30002. If you decide to go with my recommendation, we can go over the pieces and process to accomplish an in-tank pump for your car.Ģ. I believe if the OEM put the pumps in the tank then it must be the most reliable way. I am not a fan of inline pumps or fuel command centers. My recommendation for your fuel system is an in-tank pump. Your feed is the larger 3/8 line and the return is the 5/16 line. You will find 3 ports on your mechanical pump. I will hit on the main pieces then give you the separate options at the end.ġ. There a couple of ways how you could accomplish your Fitech install. Offering application specific advice would be very expensive and increase the risk of liability for the company. Although not stock, it is a very good example for your car.īecause your questions are application specific, information and support from Fitech will not be received. My current 3rd gen is a 1989 Iroc with a 305 using a 600na Fitech unit. ![]() I am the created of this site and you have asked some questions that are part of my direct experience. Quote from Deleted user on December 8, 2018, 1:13 pm I would appreciate any suggestions that you can give me. My question is how can I control timing advance and retard without the computer? ![]() I don't plan on installing a new distributor for ecu timing until I get the unit to work properly. Replacing the carb will delete all the functions of the computer. The computer controls the fuel, timing and ignition. The carb that is on the engine is a computer controlled Rochester. I plan on using that line for a return line. I have removed all the emissions equipment and have left over a fuel vapor line to the tank that was connected to the now removed charcoal canister. I absolutely will not drop the tank to make a return line. Since its a carb engine, there is only one fuel line coming from the tank. I have a few questions that techs at FI cannot answer. I am in the due diligence stage of researching the FiTech go street unit. I have a 1987 Firebird with the carbed 305 engine. I am a commercial pilot that has a passion for classic cars. Quote from firebird on December 8, 2018, 11:19 am
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