Kermit II (K-II) Triple rotor rebuild project

Started by Sicknote, September 23, 2012, 09:26:17 AM

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Grizzly

Quote from: colum;849714rotarys love to heat up the fuel. we found this with the drag car on the dyno and on our t/a build, we were not able to touch the swirlpot after 5-10 laps of donnington

a few of the timeattack rotaries in jp run a fuel cooler in the numberplate recess

I stand corrected, Guess that\'s some thing else i need to look at :)

I take it you run the Cooler on the Return lines?

Sicknote

Quote from: Grizzly;849721I stand corrected, Guess that\'s some thing else i need to look at :)

I take it you run the Cooler on the Return lines?

lol, it depends on what power you\'re running and what you\'re going to use the car for.

I\'ll be putting mine on the lines from the swirl pot to the fuel rails.  :)

colum

we got best results putting on the return ;)

:censored::censored::censored::censored:ing the lot off and going non return gives the best results tho ;)

Grizzly

Colum, do you have any Info on None return systems? Its some thing that\'s interesting.

Sicknote, Sorry to mess your Thread up.

Sicknote

Quote from: Grizzly;849729Colum, do you have any Info on None return systems? Its some thing that\'s interesting.

Sicknote, Sorry to mess your Thread up.

I\'ve never even considered a non return system and would be interested
myself as to the pro\'s and con\'s, so don\'t think it\'s cluttering up the
thread Grizzly .... it\'s all educational.  :)

colum

#170
pro\'s: no regulator in the bay, no return line, saves weight slightly, no heating of fuel

con\'s not found any yet, bit of a faff running a decent size vac line to the rear of the car but such if life

most modern cars now use non return systems.

even tho reg\'s fuel was getting hot on the dyno after about 20 odd pulls we aint changed that as it only runs at wot for 9 or so seconds, hopefully 8 this year but the timeattack build and di\'s car are both going non return, i ran it on my road car for years

also dave, not to p i s s on your chips but im slightly concerned at the angle of that tubby, keep an eye out for oil in the intercooler and inlet of the huge snail

Grizzly

This may sound daft but how does it work? i have seen pics of one a bit ago but it didn\'t seem to make sense some how?

Do you use the Return line off the Regulator to feed the rails?

Not that much Fafing, I\'m just about to fit Stainless hard pipes front to back (don\'t like Braided hose) and the idea of only needing one line and a small vac pipe is appealing :)

colum

no, pressure feed as normal and blank the return from the rails

Sicknote

Angle of the turbo makes no difference fella unless you think it\'ll wear the bearings quicker !!!  lol

colum

is it bb or journal?


also if you are interested, this is how most lsx setups are

Grizzly

Ahhh, Just seen a pic of James car and it all clear now, it\'s actually very simple and clever.

Sicknote

Quote from: colum;849735is it bb or journal?


also if you are interested, this is how most lsx setups are

So I take it the fuel filter regulator is the same as an FPR and has just a one way to the rails and the return.

Grizzly

Just thinking are these Non return type setups a PITA to bleed up?

colum

To start with yeah but it bleeds through the injectors

Sicknote

Aha, the new Intercooler is in place... single core and VERY VERY lightweight, I brought it home for a bit of trimming !!  :D