BOOSTED FD BUILD.

[kev-yorks]

Have you considered a vitron flap valve? You could easily DIY one to sit where the filler extension pipe bolts on.

[boosted]

Im seriously considering a check valve there....closes on reverse flow...so if lifted by surge shuts...plus i stared at engine today and done a little drawing of a catch tank i can fabricate out of dairy tube at work which will sit along my strut brace to allow a fall to filler neck...so if it does surge can then drain back.
Its gotta breathe as dont wanna blow out my new sump sealant lol....which is my concern with a check valve as exiting a right hander at combe on throttle surges closes valve and blow by pressure blows sump seal or summit else in engine...

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[kev-yorks]

I might look at doing this myself tbh. Though i'd be inclined to go real basic and sandwich a vitron membrane with stainless mesh above it at the joint. Drill out the centre of the membrane 5mm or so and segment it into four so it looked similar to a gun sight reticle. The mesh above will stop it opening up during blow-by and gravity will assist any oil that does bypass to open the flaps and facilitate a rapid drain.

[boosted]

I need summit soon 28th july next on track...if weather dodgy be in fd....gonna do some more googling tonight...maybe orifice check valve big flow down baffled flow up like you suggest...and my top mounted catch tank....when its being rebuilt invest in a baffled sump and front plate oil return...
Thanks for your help.

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[boosted]

Right have a plan....checkvalve in oil filler neck...penny washer removal....drill breather holes through it...and fabricate my top mount oil catch  tank with return to filler neck.

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[boosted]

heres the mock up to see if fits and boonet will shut which it will....2.5" T in thinwalled dairy pipe...will have caps on end and 3 ports ...2 at the front so under braking force to front capped chambers and back down pipes to filler neck....breather will be on top left hand side feeding pipe to rear of car....aint pretty but massive capacity and is a gravity fed oil catch return to filler neck and cost zero!!!how i like it!!!....welded up soon...will be cable tied to strut brace...

[boosted]

vent port at top of pipe on left ...only 2 left handers at Combe....gonna name mod "Boosted;s big burge pipe"

[boosted]

in other news little eunos finished and been fully roadtested so now up for sale, wish i could keep cracking little car.

[boosted]

Rotary Utopia ends ....it was good whilst it lasted....ha ha.

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[boosted]

Usual pre flight checks....massive fuel leak again..its not the return fuel pipes this time been there done that...4k shutdown tomoz job..uim off jobby.

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[boosted]

Well took the uim off nothing obvious....my previous fuel return  repair good....weird...primed but no leak...

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[boosted]

B56tard....fixed now....shoulda woulda coulda sat in garden with a beer.


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[boosted]

To put some meat on bone replaced fuel return hose n clips whilst apart as couldnt see anything else wrong....think jubilees issues instead of hose clip which it know has....ran upto to temp leak free....glad that happened on drive and not at combe.

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[boosted]

Well in bits again but back on Burge issue....
took off my aftermarket filler neck..Gb re speed or summit from googling....well it dont work....its got a baffle plate inside and looking at nipples ( oh matron) 1 is restricted....messed about with a trial Penny washer mod....free flow down blocked up but will block down as well as hole gets smaller in diameter in centre iron....and yep stuck my pinky in the oil filler hole on centre iron...and got it stuck...5 mins with my finger hurting big time..everytime i tried to pull it out finger throbbed more... had to push it in real hard and bend to get it out...

ive come to conclusion its not goona stop it shooting up pipe...when you see how restricted penny washer is and the small opening of nipples gotta be a massive force...that im binning check valve idea and penny washer and ensure the return to sump works and there is enough oil in the system so the pick up is always covered. been thinking restriction now im thinking let it do but when it does let it get back in the sump as quick as possible....like i said due to the surface tension of oil my penny washer is actually hanging the oil up in filler tube...
might all be baloney but Clives solved it by return to sump....tweaked the filler stopper but concerned this will hang the oil up in catch tank???
few piccys...while Photobucket still lets me....

[boosted]

Woohoo finished the burge pipe and i made a check valve....flip flop with decisions...but give it a go...photos to follow.

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