Toyspeed.org.nz Message Board

by **corolla gt** » Mon May 14, 2007 9:24 pm

hi i have a 4agze motor that i am going to put in my starlet it has a sc14 with it and i am making it fit now...i am just thinking down the long run when i go 2 put the motor in can i have a bov on it? it is a a11 big port 4agze if that helps

i have borught a ssq bov off trademe andnow i have been reading on toyspeed if i can put a bov on it?some say no and others say yes what can i beilive ?

by **slighty_sykotic** » Mon May 14, 2007 10:44 pm

If you run the factory setup to intake->throttlebody->s/c->manifold. Then no. You can't.

If you want to get all fancy and change the intake around you can. But why?

by **Calvin** » Mon May 14, 2007 11:20 pm

you dont need a BOV on a supercharger set up. BOV's just prevent back spoil and as the SC runs off the crank and is controlled by the motor it shouldnt be a problem

YOu can fit one but its useless. youll probably lose power because of the releasing presure..

Dont bother.

by **bluemaumau** » Tue May 15, 2007 1:18 am

s/c whistle is os much more attractive than a stupid suck off valve.

by **escortman** » Tue May 15, 2007 7:53 am

i wouldnt bother mine had 1 on it and u could here it leaking so riped it off the buttdyno sed it was faster

by **Crampy** » Tue May 15, 2007 12:03 pm

As already mentioned, it depends on what intake you plan on running. If you have the throttle down stream from the S/C, then you do need one, they normally called bypass valves on supercharger setups (same thing though). Just use a recirc design one, so it doesn't make a crazy noise the whole time.

If you're still using the GZE manifold and throttle arrangement, then no, don't bother.

by **XSVWGN** » Tue May 15, 2007 2:01 pm

as others have said dont use one. I have the sc14 rinning on my wagon with a modified by pass valve. Was thinking about a BOV but its just a wank thing. When you head the SC14 scream you will be smiling from ear to ear...trust me!!! :lol:

by **Zak** » Tue May 15, 2007 9:33 pm

I feel like such a d**k being the only one here with a BOV on mine :oops:

There is a reason for it though, but it's a pain in the ass to listen to

by **soopachargen** » Wed May 16, 2007 9:50 am

zak ur a legend having a bov on ur setup... its a primo setup... the only reason u should feel like a dick is for wanting to turbo it instead of keeping the unique supercharged 20v setup

by **corolla gt** » Wed May 16, 2007 6:55 pm

well i have just got my manifold bck and it has been ground down so the sc14 can fit on it(just had to grind one of the lugs that holds the piping on)to make it fit and i have to block off the abv now?so since i dnt have abv will i need a bov?

by **soopachargen** » Wed May 16, 2007 7:31 pm

when i had the setup matt is running it had the abv... i wouldnt get rid of the abv unless ur running and aftermarket computer... the abv was bleeding off boost on my setup so i didnt have to add more fuel to compensate...

by **XSVWGN** » Wed May 16, 2007 8:37 pm

soopachargen wrote:when i had the setup matt is running it had the abv... i wouldnt get rid of the abv unless ur running and aftermarket computer... the abv was bleeding off boost on my setup so i didnt have to add more fuel to compensate...

i still have the ABV on the wagon now and i have a spare one if you want it?

by **Zak** » Wed May 16, 2007 8:41 pm

soopachargen wrote:zak ur a legend having a bov on ur setup... its a primo setup... the only reason u should feel like a dick is for wanting to turbo it instead of keeping the unique supercharged 20v setup

I'm not sure what the plan is yet, I have a turbo, and flanges to do it, but I love the sound of the superchager and it's awsome for over taking :oops:

I just need to plumb the BOV back in, and make it a bit easier to drive off boost, I might hook up a switch to it or some thing for now.

All though I do less than 20km a week in the thing, so it's not too much of a problem at the moment.

by **corolla gt** » Wed May 16, 2007 10:27 pm

i have a abv aswell but i have been told to block it off haha i dont no what to do now....it will hit the sc if i keep it on though...i heard that the abv makes you only be able to runn 8 to 10 psi is that true

by **escortman** » Wed May 16, 2007 10:48 pm

u do the abv mod to run more than the 9 psi or wateva

by **XSVWGN** » Wed May 16, 2007 11:43 pm

corolla gt wrote:i have a abv aswell but i have been told to block it off haha i dont no what to do now....it will hit the sc if i keep it on though...i heard that the abv makes you only be able to runn 8 to 10 psi is that true

Trust me mate...the charger DOES NOT hit the ABV. There is very little room between the charger and the ABV but its all good.

by **soopachargen** » Thu May 17, 2007 6:12 pm

remember he's rwd matt... so its different.
the abv also bypasses air when the supercharger is off boost to make it nicer to drive off boost

by **Zak** » Thu May 17, 2007 7:56 pm

Any one got any pics of this ABV? Also what would you find a larger one on?

Website · by **Rick** » Thu May 17, 2007 8:21 pm

Zak wrote:Any one got any pics of this ABV?

This pic isnt the factory one, but looks similar

Zak wrote:Also what would you find a larger one on?

On a 1G-GZE of course. (top right hand side)

by **Zak** » Thu May 17, 2007 8:39 pm

Thanks for the pics rick

Is the 1g-gze one much of an upgrade over the 4a one, or would aftermarket be the way to go?

Cheers

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