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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,289
You can get more fuel by turning the little allen head diaphragm spring tension adjusters under the button head screws on the fuel head a little but if you havn't done that before and don't have a fuel head flow bench that's hit and miss and it's real easy to screw it up.

The place to go is:
CIS Flowtech - Rebuilding Bosch Fuel Distributors & Warm-Up Regulators
Or get in touch with Brian. He gives good service and he's here to help every day.
Maybe he has a CIS Flowtech 007 modified aluminum fuel head in stock.

Larry Fletcher at CIS Flowtech does more than just adjust the 3mm allen head screws he also replaces all the old orings with new ones that can handle ethanol in the gasoline and does some orifice machine work inside the fuel head if you want 20% or more fuel up top. He may remachine the metering slits in the control plunger cylinder wall too.

Won't be cheap but he does good work with a warranty and if your fuel head has never been rebuilt and has been run with E10 gasoline for a while the original orings may be swollen or rotting and the thing will need to be cleaned out and flowbench adjusted anyway.

You already have the BL adjustable control pressure regulator so you can lower boost control pressure more than stock for more fuel and fine tune steady cruise control pressure and that's a good thing.

You need a 100psi CIS fuel pressure test gauge with ball valve like this one if you want to get into tuning it.
Star Products TU-14PB Fuel Injection Tester - Bosch C.I.S. STATU-14PB
Old 11-17-2014, 07:10 PM
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