mpt70 5.3/4l80 e85 have a few ?'s
10-16-2010, 05:25 PM
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mpt70 5.3/4l80 e85 have a few ?'s Ok Im new to this turbo stuff and really need some help. Im sure most of this is common knowledge on here but this is my first attempt at any kind of FI. So I have a 5.3/4l80e in my 71 blazer with a mpt70 .96 ar on the way. I would like to run e85. So the question is what size and style fuel injectors do I need? I have a walbro 255lph should I use 2? Also where do I get oil from for the turbo and where do I put the drain? I tried searching with no luck.
10-16-2010, 06:19 PM
#2
A set of 60lbers will be close on E85. Prob some high impedance around 80 would be better. You will need two walbros, use one a hobbs switch to avoid heating the crap out of the fuel. Use GOOD filters, a 10 or 25 micron filter after the pump. Magnafuel makes goodo ones that are ethanol compatible. Use the block off plate on the side of the oil pan for the feed. Drill and tap it and use -4 hose. -10 drain into the side of the pan just below the pan rail above the oil level. You can use a bulkhead fiitting and Jb weld or tig weld it. Should make 500rwhp.
