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The combination of turning right and climbing seems to be the worst for pushing fuel away from the pick-up. Not very common on the street as it requires sustained lateral G's and heavy throttle. |
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This happend to me at the track when I was drifting. BAM the car shuts off with about a quarter tank. It happend to me on a left turn. The car started right back up. Scared th holly hell outa me. What can I buy to fix this issue??
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Saw this problem at Willow Springs (Big Track) after the #2 sweeper. The throttle would not respond, started happening when I had less then 3/5 of a tank.
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Anyone know if someone is working on a replacement tank with better baffling or something for this issue ?
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fuel system upgrades
it's been 20 days since he last updated his thread. I would give him another 10 days before asking for updates, and maybe pictures (if possible). |
this is a big priority and I'm surprised we don't have a vendor stepping up yet... four options
1. traditional external swirl pot 2. 'internal swirl pot' that was discussed here a couple mos ago 3. internal baffling 4. complete fuel system replacement, ie fuel cell, new pumps lines, etc Option 4 may be necessary for those doing real racing or TT setups . Option 3 should be the cheapest but no idea how effective this will be when the tank gets low. I'm planning to give this a try. Basically a coffee can with holes that surrounds the fuel pump in the tank and partially resists flow away from the pump in corners. Option 2 should be the effective but more expensive and would require some engineering specific to this car. |
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I have plans for TT, though a full build will take some time, so I hope my only option is #4 but for #1, would it fit in my spare tire area ? I don't plan on putting a sub in so that's a possibility. I wish #3 would work and the thing with the coffee can would it resist both ways really ? What I mean is, if it kept the fuel from flowing away from the pump wouldn't it also partially resist flow to the pump as well ? PS: Thanks for the link Valentino ! |
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I think I experienced this for the first time this weekend at an autox. Oil temps were starting off at 220 before my run, but were 245 at the end of the run. I was getting some momentary "cut outs" mid way through the course and was thinking it was limp mode, but having read this post this morning, pretty sure I was getting fuel starvation. The point of cutout was at the turn around of the course, a sweeping uphill right hander...and it cut out on two separate runs in the same place. I was running about 1/2 tank of fuel so looks like people are getting starvation even between 1/2 and 3/4 so looks like I'll need to run 3/4 to full to be safe.
That's a fair amount of extra weight to have though... |
exactly... this will be the best weight reduction mod we can make, once we solve it
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Anyone have new news on this subject?
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