Is anyone out their using a Eclipse BOV on their T/R? I bought a BOV valve from a local junkyard. I did all of Gus's modifcations so that it will hold more boost. The only thing I still have to weld the Flange to the intercooler up pipe. I just wanted to get some opinions on using a BOV. In my travels I have not seen to many on T/Rs. Is there a reason for this?
Eclipse Blow Off Valve
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Doug,
I am trying to do the same thing. I went to a couple junk yards the other weekend but they didn't seem like they wanted to help me. They were all too quick to tell me they had NO turbo DSM parts.
Where'd you get yours? Did they have more?
-Banning.
I am trying to do the same thing. I went to a couple junk yards the other weekend but they didn't seem like they wanted to help me. They were all too quick to tell me they had NO turbo DSM parts.
Where'd you get yours? Did they have more?
-Banning.
I am also trying to install a blow off valve on my car, but i dont really know where to install it. i hammered a large flat side to my old stock up pipe to see if it would fit there, looks like it would, but i want to find somewhere where its already got a flat spot. dont like hammering on my up pipe. Mine is off of a volvo 740 turbo, and is pretty nice, and has a adjustable spring pressure, but i dont know how much PSI it will hold.
James, this was the only one they had. But they have a couple of Volvos and Scabs. I bugged them to death about mine. First they where going to sell the car. Then they were going to sell the whole motor. Finally they let me have it for $10.00. There is a guy I work with that is building a Talon. He got a Greddy to replace the stock one. I will see what he is doing with it.
Jacob, you may want to check with Bweavy or Michael McCoy and get a spare. I got one from a friend. That way if something goes wrong, I still have the original.
Jacob, you may want to check with Bweavy or Michael McCoy and get a spare. I got one from a friend. That way if something goes wrong, I still have the original.
quickbrick
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i put one on my car a few months ago. i havnt had a problem yet. i dont run over 20 psi. it does open up a little bit when cruising but stays closed at wot. i put a chrome k&n valvecover filter on it. it doesnt make a whole lot of noise. just a little sneeze sound. but its better than the farting noise.
mines mounted on the turboside of the uppipe.
mines mounted on the turboside of the uppipe.
O
ohiogn
Guest
where to get a BOV
Go to http://www.thepartstrader.com
you should be able to find an eclipse BOV on there cheap. Make sure to get a 1G BOV. the 2g's are plastic.
(i am a former dsm guy)
Go to http://www.thepartstrader.com
you should be able to find an eclipse BOV on there cheap. Make sure to get a 1G BOV. the 2g's are plastic.
(i am a former dsm guy)
Like I said above, I want to run one of the modified DSM valves BUT I can't have it leaking at levels over 20#'s. I will be running a minimum of 20# on the street and 24-25#'s on the track.
Does anyone have experience running one of these modified valves on a GN/T-Type at these boost levels?
Thanks,
-Banning.
Does anyone have experience running one of these modified valves on a GN/T-Type at these boost levels?
Thanks,
-Banning.
BlackBeauty
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Re: where to get a BOV
Can they operate properly at 25psi? With or without being crushed? Can they go above 25psi without leaking?
Well in that case, can you tell us a little about 1G DSM BOV's?
Can they operate properly at 25psi? With or without being crushed? Can they go above 25psi without leaking?
these cars don't need a BOV.......why make an addition that will probably cause you problems and offer little, if any, benefit?
turbo longevity is not an issue on these cars if you keep clean oil in and metal parts out.......
if anyone can offer up some scientific evidence that a BOV is good for anything on a TR, I would like to see it......
turbo longevity is not an issue on these cars if you keep clean oil in and metal parts out.......
if anyone can offer up some scientific evidence that a BOV is good for anything on a TR, I would like to see it......
twin 93 svt
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i dont know about the gains but at high boost there is nothing like the sound of all that air pissing out, rather it be on the street or the track peoples mouths drop in awe.
Well it won't help much in the quarter mile, but on a road course, or on the street when you're just playing around, it will make the car much quicker to respond to throttle inputs. On a road course, this is worth a bunch of time, both because the driver has more "feel" and because you will be feathering the throttle to control the car and not waiting for the turbo is a big deal. Same with "cut and thrust" type battles when you're on the street playing with someone where there really isn't a big gap to open the car up with, but where you still want to punch it next to someone. That's why the rally guys have huge blow off valves (and an anti lag system nowadays!)
The TR guys probably don't care about the road course stuff
but in the TTA I do 
The cut and thrust stuff on the street would still apply though, as the blow off valve will keep the turbo spinning (instead of slowing down because it's trying to compress air against the closed throttle plate) and make the boost be "right there" when you tip back into the throttle. Just make sure you route the air back behind the MAF, otherwise you'll get flames out the exhaust when you tip in
FWIW you can get the nice bosch ones that were used on the Porsche 993 twin turbo for $20 from a dealer, they are nicely made and flow well. I would probably run "twins" of them though on a TR. I don't know how well they hold at 20+PSI, but under that they work great (had them on my old car) and are a steal for $20.
At some point I will fab the setup on the TTA (got it two months ago) and post results.
The TR guys probably don't care about the road course stuff
but in the TTA I do The cut and thrust stuff on the street would still apply though, as the blow off valve will keep the turbo spinning (instead of slowing down because it's trying to compress air against the closed throttle plate) and make the boost be "right there" when you tip back into the throttle. Just make sure you route the air back behind the MAF, otherwise you'll get flames out the exhaust when you tip in
FWIW you can get the nice bosch ones that were used on the Porsche 993 twin turbo for $20 from a dealer, they are nicely made and flow well. I would probably run "twins" of them though on a TR. I don't know how well they hold at 20+PSI, but under that they work great (had them on my old car) and are a steal for $20.
At some point I will fab the setup on the TTA (got it two months ago) and post results.
Gn-Krazzie
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Irid : tell us more about these bosch/porsche BOV's
The only benefit of a BOV is for short bursts on the Street from what i could see.
The only benefit of a BOV is for short bursts on the Street from what i could see.
BlackBeauty
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The BOV isn't important for keeping metal parts out, or oil clean, or for eliminating loss of boost (or whatever a couple of you are saying).... the BOV is for that compressor surge that makes me sympathize for the turbo every time I let off the gas. The turbo wheels are spinning VERY FAST, and when you close that throttle plate, they are forced to spin the other direction suddenly.
how many turbos have you gone thru? that is an urban myth! short of getting off the throttle many hundreds of times from 30 psi, you will not damage the turbo (particularly at the boost levels the majority of cars run)
I think people put a BOV on a TR for the entertainment value (and that's fine), but don't try and convice us it will save the turbo from destruction, because it won't! (clean oil & no metal WILL!)
as for the road racers out there, a car with a manual transmission (like a rally car) needs a BOV.....an auto car keeps a load on the motor, thus the turbo will stay spooled.......if you are crazy enough to road race a TR, use whatever you want! You are braver than me......
I think people put a BOV on a TR for the entertainment value (and that's fine), but don't try and convice us it will save the turbo from destruction, because it won't! (clean oil & no metal WILL!)
as for the road racers out there, a car with a manual transmission (like a rally car) needs a BOV.....an auto car keeps a load on the motor, thus the turbo will stay spooled.......if you are crazy enough to road race a TR, use whatever you want! You are braver than me......
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