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This thread has threaded and something happened (???). I am not very knowledgeable about the T4 engine -- my Porsche just turned 1 in September. If you're referring to my engine (see below) my T3 doesn't have FI, though I would *like* to put it on, and the block isn't from GB. I can get information about the D-jetronic and L-jetronic FI systems if someone is having difficulties. From my understanding of stock FI I would not recommend changing any of the mechanicals on the motor. If you want a bigger engine with FI then get a stock 1.7L, 1.8L, or 2.0L T4. Toby Erkson air_cooled_nut@pobox.com '72 VW Squareback 1.6L modified to 2.0L '75 Porsche 914 stock 1.8L ______________________________ Reply Separator _________________________________ Subject: Re: Typical Author: type-3-errors@umich.edu at SMTPGATE Date: 1/10/97 6:19 PM At 7:57 PM -0000 1/10/97, Alan W. Presley wrote: >stock FI systems will accept larger pistons and you won't have to alter >the FI system, and if your used to modifying the Bug motor, the rest of >the same HP additions still apply. I have witnessed an 1835 stock FI >motor in a type 3, ran great. >Did the 1835 use injectors from a Type IV? I am told that even the >1700cc D-Jet Type IV used injectors with greater flow. The MPC injection >can't keep up with engine changes (due to wear and modification) as well as >more modern systems such as K-Jet (CIS). >-Greg I thought that he just replaced the T-3 motor from his car with a Gene Berg longblock and slapped on the original FI equipt. I don't know anything about the T-4 system or it's requirements. Can't help you there. Maybe Toby can? Toby? Big Al awpresley@earthlink.net