Picked my car up at noon in the pouring down rain today.
The new Michelin’s are now on the car. Since I couldn’t get the Falken tires that I wanted, I got the tried and true tire. But this time I went from a 265/30-19 to a 275/30-19 in the front and so far I haven’t noticed any rubbing except in a tight parking maneuver which I can live with. There is no more room in the front or rear, so this will have to do except for a stickier tire.
While the car was there, the new stainless brake lines were installed as well as new Porterfield R4-S front and rear pads. Since everything was apart the system was flushed with Motul 600 brake fluid. Jason told me the fluid was really brown, so obviously cooked. Not good at all.
After I picked up the car from the shop, I went to fill it up with some more E85. I had been running E43 and still had some left in the car, so when I filled up with 11 gallons of E85 (the car holds 16 gallons) I ended up with a tank of E62. Since it was pouring down rain on the drive home, I couldn’t try it out, nor did I have my datalogger anyway. But I will take it out tomorrow and make a few pulls in it to see how the fuel system holds up. We’ll be looking to see if the high and low pressure fuel pumps can keep up. There’s no doubt the low pressure pump (DW400) will be able to provide enough pressure, and I’m pretty sure the high pressure pump will be able to do the same, but the high side will be the weakest link in terms of making power. The only way to overcome that would be to add a fuel cam to the engine. A fuel cam is a an exhaust camshaft that has a lobe on the end that drives the high pressure fuel pump. By changing the size of the lobe, you can increase the amount of fuel the pump can supply. Tapout sells a 21% fuel cam, ZZP has a 45% cam, Weapon-X has a 30%, etc. My high pressure pump is a 35% pump meaning it supplies 35% more fuel than a stock pump. If you add a fuel cam, just add the percentages together to get an idea of the fuel increase. To max out the turbos, I will need a fuel cam at some point, but right now I didn’t want to crack the engine, so the pumps are the answer for now. If they can provide enough fuel with straight E85, even at reduced power output, it means I don’t have to worry about running any variation of ethanol, the tune will be correct for any blend of ethanol and 93 octane. 😉 I discovered there is a dyno at Atlanta Motorsports Park, so I’m going to look into taking the car there to tweak the final tune and see what kind of power it will make.
I drove the wife’s car down to pick mine up, so I left hers at the shop to have the Swift springs installed as well as mounting the tires that came off my car on her new wheels. We will pick that one up tomorrow afternoon. Can’t wait to see what that one looks like! At that point I’ll have a set of wheels for a coupe and a set of wheels and PS4S tires for a sedan for sell.
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