2nd coke can test on downpipe
Originally Posted by evo_007
davidbuschur,
You cast you own manifolds. How about casting your own O2 housing? There's clearly a market for a quality housing that performs.
You cast you own manifolds. How about casting your own O2 housing? There's clearly a market for a quality housing that performs.
hahaha...yeah, dave casts his own manifolds.
All he does is port the stocker and have it coated. Casting pieces is very expensive, just look at the price on the Works o2.
fsugatorbait,
Actually we do cast our own manifolds. The manifold that we use for our GT35R turbo kits is a part we designed here and have cast.
We also port and ceramic coat the stock ones.
We could EASILY cast our own 02 housings. I would gladly do that if I thought there was any improvement over what is currently available. The fact of the matter is the SS 02 housings that we sell now that work freaking amazing. On my car at 380 whp it gained about 15 whp. The actual testing can be found here on EVOm.
We are making 600+ whp with 2.5" 02 housings, using one that size on a stock turbo'd EVO making 400 whp would seem to work
Actually we do cast our own manifolds. The manifold that we use for our GT35R turbo kits is a part we designed here and have cast.
We also port and ceramic coat the stock ones.
We could EASILY cast our own 02 housings. I would gladly do that if I thought there was any improvement over what is currently available. The fact of the matter is the SS 02 housings that we sell now that work freaking amazing. On my car at 380 whp it gained about 15 whp. The actual testing can be found here on EVOm.
We are making 600+ whp with 2.5" 02 housings, using one that size on a stock turbo'd EVO making 400 whp would seem to work
Originally Posted by davidbuschur
Well I have still not done the testing BUT I do have some news to add to this thread.
The Invidia 02 housing. We have a car here that came in for an install. He supplied his own Invidia 02 housing. The part looks nice as I think I have already said but fitment sucks and after looking more closely at it I am wondering what the hell they were thinking.
There is a place where there was a hole for an 02 housing, it is welded shut, on his and on the one I just bought. Then there is a second hole that is not welded shut that is located more to the front/drivers side. Well, here lies the first problem. The factory 02 sensor wiring will just BARELY reach the bung where it has to go. I actually feel that this wire is pulled so tight by the time the 02 sensor is installed that it is probably going to cause a failure of the wiring in time.
Next problem with the part. The housing is large, so large that putting the bolts back in to hold it to the turbo is close to impossible. There is actually one that you can't get in at all. The others need to be tightened with an open end wrench, so you really need to do it off the car.
Will it make power? I don't know yet. Does it fit correctly, NO.
The Invidia 02 housing. We have a car here that came in for an install. He supplied his own Invidia 02 housing. The part looks nice as I think I have already said but fitment sucks and after looking more closely at it I am wondering what the hell they were thinking.
There is a place where there was a hole for an 02 housing, it is welded shut, on his and on the one I just bought. Then there is a second hole that is not welded shut that is located more to the front/drivers side. Well, here lies the first problem. The factory 02 sensor wiring will just BARELY reach the bung where it has to go. I actually feel that this wire is pulled so tight by the time the 02 sensor is installed that it is probably going to cause a failure of the wiring in time.
Next problem with the part. The housing is large, so large that putting the bolts back in to hold it to the turbo is close to impossible. There is actually one that you can't get in at all. The others need to be tightened with an open end wrench, so you really need to do it off the car.
Will it make power? I don't know yet. Does it fit correctly, NO.
Originally Posted by davidbuschur
fsugatorbait,
Actually we do cast our own manifolds. The manifold that we use for our GT35R turbo kits is a part we designed here and have cast.
We also port and ceramic coat the stock ones.
We could EASILY cast our own 02 housings. I would gladly do that if I thought there was any improvement over what is currently available. The fact of the matter is the SS 02 housings that we sell now that work freaking amazing. On my car at 380 whp it gained about 15 whp. The actual testing can be found here on EVOm.
We are making 600+ whp with 2.5" 02 housings, using one that size on a stock turbo'd EVO making 400 whp would seem to work
Actually we do cast our own manifolds. The manifold that we use for our GT35R turbo kits is a part we designed here and have cast.
We also port and ceramic coat the stock ones.
We could EASILY cast our own 02 housings. I would gladly do that if I thought there was any improvement over what is currently available. The fact of the matter is the SS 02 housings that we sell now that work freaking amazing. On my car at 380 whp it gained about 15 whp. The actual testing can be found here on EVOm.
We are making 600+ whp with 2.5" 02 housings, using one that size on a stock turbo'd EVO making 400 whp would seem to work
I did not feel like reading 13 pages about a coke can test. Although if the Buschur DP mates up to the stock O2 housing and the Megan one and it is large enough. Your exhaust system will only flow as well as its largest opening. As far as Al/Dynoflash using the coke can I think those results are more VERY true because he was showing mufflers at the end of the system that were less than 3". It seems pretty silly to have 3" pipe and then have a muffler than flares it down at the end of the system. This makes his test 100% conclusive and I feel he has both legs to stand on there.
Now if you modify the Buschur DP say to port match the works housing or the invidia housing then its flow will also be just as good as the works/Megan DP which has the larger opening. Furthermore using gasket sealer to seal a DP is not a problem if you are installing it properly. The 3-4 times I have unbolted my Buschur DP I have to literally pull it away from the O2 housing because the permatex created such a good bond. That seems like a hell of a seal to me. In some ways better than a free floating donut gasket that is expensive to replace everytime you remove the DP.
Now if you modify the Buschur DP say to port match the works housing or the invidia housing then its flow will also be just as good as the works/Megan DP which has the larger opening. Furthermore using gasket sealer to seal a DP is not a problem if you are installing it properly. The 3-4 times I have unbolted my Buschur DP I have to literally pull it away from the O2 housing because the permatex created such a good bond. That seems like a hell of a seal to me. In some ways better than a free floating donut gasket that is expensive to replace everytime you remove the DP.
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Originally Posted by fsugatorbait
hahaha...yeah, dave casts his own manifolds.
All he does is port the stocker and have it coated. Casting pieces is very expensive, just look at the price on the Works o2.
All he does is port the stocker and have it coated. Casting pieces is very expensive, just look at the price on the Works o2.
Originally Posted by Soon2BEVO
Buschur did the testing fellas. Hate to say it but yeah I was right. Works at best is = 1/4 priced Ebay 02.
Looks like 2.5 IS ENOUGH.
Looks like 2.5 IS ENOUGH.
Originally Posted by mbtoloczko
Where are the results?
Maximum horsepower was 373 and maximum torque was 388. Average HP was 326 and average torque was 330.
Next we pulled our 02 housing off, installed the Works 02 housing. The Works housing fits, all the bolts can be installed, the 02 sensor port is in the correct spot. The results:
Maximum horsepower was 369 and maximum torque was 385. Average HP was 320 and average torque was 325.
Next we pulled the Works housing off and installed, or attempted to install the Invidia. Bottom line is it fits like crap. Two bolts will actually go in, one or two other are impossible and a third is also crap. There is a hole that has been welded shut on the housing from a mistake from where someone thought the 02 sensor should go, then they moved it to a different spot which is also a freaking mistake as the factory 02 sensor wiring is stretched so tight that it is going to fail. Not impressed with the thought that went into this part. From a performance design though, looking at it I would have guessed the power would have been really good. The results:
Maximum horsepower was 369 and maximum torque was 385. Average horsepower was 317 and aveage torque was 322.
Bottom line is pretty simple here. The car doesn't need, want or benefit from a huge 02 housing or from a 3" flange on the downpipe. You are best off to run the E-bay style housing that is a fraction of the cost, fits and makes the most power we have seen from any of the housings. "
this is surprising to say the least... the ebay housing makes the most hp.............. the most.......... even on average... where the average hp numbers for some reason have an sigma of over 40 horsepower.
of course it's also sketchy on the details... like if tuning was done inbetween.
oh well i guess ebay and buchur pwn all.
of course it's also sketchy on the details... like if tuning was done inbetween.
oh well i guess ebay and buchur pwn all.
Originally Posted by trinydex
this is surprising to say the least... the ebay housing makes the most hp.............. the most.......... even on average... where the average hp numbers for some reason have an sigma of over 40 horsepower.
of course it's also sketchy on the details... like if tuning was done inbetween.
oh well i guess ebay and buchur pwn all.
of course it's also sketchy on the details... like if tuning was done inbetween.
oh well i guess ebay and buchur pwn all.
Makes me happy i bought the ebay- one. I actually found the guy buschur bought the one he tested from. Fit good! I used the small gasket that came with the o2 on the buschur downpipe and i have no leaks.