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Airbox lid idea
Airbox lid idea
Since having put the cooler on my car i was thinking of putting a 3L airbox lid on.
while looking around the net i notice they still dnt have a full radius around the side of them.
what i have thought of doing is removing what plastic mould that is currantly there and using a 3" stainless doughnut (to give a tight full bend) and go from there.
the inside diameter of a 3" doughnut is 30mm, so there would be a gap of 15mm between the lid and the underside of the stainless.
i dnt think its possible to get it any lower, only other way i can think of is doing a lobsterback which wont flow as well.
did some quik measurments and it looks like it will fit under the bonnet.
Any thoughts or ideas welcome. Im no master on the subject.
i here are some pics to better explain it.
STANDARD 4.2 AIRBOX LID
WHERE YOU WOULD MOUNT TO INSIDE THE LID, USING SILICONE AND SMALL NUTS AND BOLTS OR RIVITS. OF COURSE IT WOULD NOT STICK ANY FURTHER IN THAN THE BLACK PLASTIC DOES.
BASIC IDEA
while looking around the net i notice they still dnt have a full radius around the side of them.
what i have thought of doing is removing what plastic mould that is currantly there and using a 3" stainless doughnut (to give a tight full bend) and go from there.
the inside diameter of a 3" doughnut is 30mm, so there would be a gap of 15mm between the lid and the underside of the stainless.
i dnt think its possible to get it any lower, only other way i can think of is doing a lobsterback which wont flow as well.
did some quik measurments and it looks like it will fit under the bonnet.
Any thoughts or ideas welcome. Im no master on the subject.
i here are some pics to better explain it.
STANDARD 4.2 AIRBOX LID
WHERE YOU WOULD MOUNT TO INSIDE THE LID, USING SILICONE AND SMALL NUTS AND BOLTS OR RIVITS. OF COURSE IT WOULD NOT STICK ANY FURTHER IN THAN THE BLACK PLASTIC DOES.
BASIC IDEA
bogged wrote:another thought, why does the pipe have to come straight up and right... why cant the pipe that comes up on the top of the lid be on an angle, so then the bend to the turbo is only 45 degrees??
nothing at all... just hard to draw it on a slight angle from the view i did ahahah...
would bring it out on an angle simular to standard.
ok well i came across an airbox lid today (off a 2.8) so i was able to start cutting up my standard 4.2 one. the reason i used the 4.2 over the 2.8 is because the 4.2 has a 3" hole and the 2.8 has a 2.5" hole (or there abouts, its smaller)
took me about 20min to cut it up, now it is in the capable hands of Andrew (awill4x4) welding up the rest... using aluminum not stainless as first planned.
will be excited to see if it fits under the bonnet.
Rough cutout with grinder
cleaned it up with the bench grinder and sanding/ flip disk on the 4" grinder... finished with a touch of sandpaper.
Another pic to show the 3" hole, pretty nice and snug.
took me about 20min to cut it up, now it is in the capable hands of Andrew (awill4x4) welding up the rest... using aluminum not stainless as first planned.
will be excited to see if it fits under the bonnet.
Rough cutout with grinder
cleaned it up with the bench grinder and sanding/ flip disk on the 4" grinder... finished with a touch of sandpaper.
Another pic to show the 3" hole, pretty nice and snug.
Gunna get it re-tuned after its done?GU-ish wrote:will prob sit mayb 10mm above the top, using the tightest bend.Weiner wrote:So its going to have a 90 degree bend coming out of the top and will sit flush with the top?
may be able to take more out of the lid to get it lower if possible...
fingures crossed lol
'89 Hilux Single Cab - 3RZ, 35" Kreepy Krawlers, 4.88's, F & R Air lockers, RUF, Longfields, TG Highsteer, Highmount and no money
after getting the aluminium bend done, i left the cut up lid in a bull bar, never to be seen again!!Austravel wrote:What was the outcome????????
GU-ish wrote:yesum... should have it done by wed night... and rang diesle tec today... should be good for monday if i have it ready.
still have the aluminium if somone wants to donate a standard 4.2 lid.
So do you think it really did make much of a difference? Did it help fuel economy? Did you actually feel higher torque or did you find only the response time improved?
Guess I'm trying to see if it really is worth the $$ and effort. My gut feel is that if anything only response time could improve and only if there was already a high enough restriction to reduce this.
Keen to know if you'd do it again due to the benefits or do you think it's more a perceived improvement.
Thanks again.
Guess I'm trying to see if it really is worth the $$ and effort. My gut feel is that if anything only response time could improve and only if there was already a high enough restriction to reduce this.
Keen to know if you'd do it again due to the benefits or do you think it's more a perceived improvement.
Thanks again.
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