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1jz big single cressida feedback


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#1 Jason

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Posted 04 June 2008 - 01:53 PM

1jz big single manifold came thru lookin good. light, shiny and nice stack o dime welds.

upon closer inspection, i found pinholes in the welds where the runners all meet. it looks like that has all been touched up from the inside. i also noted an area under the turbo flange that appears to be butchered up: not enough heat/penetration and a bubbled weld bead.

also, the 4bolt wastegate flange is for a 50mm wg, which is either too cheap to trust, or too expensive for someone on a budget. i assumed incorrectly that a TiAl 41mm 4bolt wg had the same size flange. i dropped the manifold wastegate and dump pipe off with a trusted welder and a week and $180 later (80 for flanges, 100 for labor and a reducer for the dump), it was reflanged with something i could use in conjuction with the TiAl wg.

upon instalation i found that the stock lower manifold studs are too long to use with this manifold because of the nipple shape of the tips. due to the shape of runners 3 and 4, the lengthy stock studs contact the manifold and it is impossible to get a stock nut on the stud.

lucky for me, i had a set of 3, 10x1.25 exhaust studs without the stock nipple thingy on them, and promptly installed them into the head. i slipped the manifold back over the studs and STILL can not get a nut on the studs. upon closer examination, there is JUST enough room between the runner and flange for a stock exhaust stud to sit. thats SIT as in not spin or slip over the stud or catch a single thread. with the shorter studs, ive pulled the manifold off the head far enough to get the nut in place, then push the manifold back and attempt to catch a thread. so far ive been unsucessful. i got frusterated and went to the computer.

as you can imagine im quite dissapointed that my bargain manifold is turning out to be more than i bargained for.

this thread is not a smear campaign against drift motion in anyway shape or form. im just creating an awareness with all of you, and them, that their shit needs to be redesigned ASAP. hopefully they will be stand up guys like ive heard they are and they will handle it. id have gladly paid $400 for a manifold that fits right the first time, using v-band wastegate flanges, so you can orient your wg however is necessary.
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#2 ameenit

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Posted 05 June 2008 - 04:07 PM

you get what you pay for buddy..


what were you expecting when you paid 200 bucks for a manifold that usually run 1000-1500 dollars?

Driftmotion is a great company and they have awesome customer service, but the sad thing is, even though you would gladly pay more for a perfect fitting manifold, 90% of the internet wouldnt.

Ive installed a couple of these manifolds and aside from having to weld on another flange for the wastegate, havent had any issues...

#3 Jason

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Posted 05 June 2008 - 05:33 PM

and i totally agree that you get what you pay for.

its just a quality issue thati figgured i would bring up so they can fix it on the next order.

i got it all on and bolted down. but i had to use an open ended wrench for 5 of the 6 lower bolts. the one was impossible to turn by hand because of the shape of the runner.

again, no big. just wanted to create that awareness.
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#4 Jason

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Posted 15 June 2008 - 09:02 PM

ok so after making the adjustments with the 4bolt flange i got everything in place and dammit, the dp and wg interfere. no way around it. im gonna drive it to my buddys shop as is and get this shit sorted out ON the car. hes gonna make the connector pipe for the dp to the exhaust too.

part 2. didnt even cross my mind. the ss dump tube for the oil return line is the wrong length. cut with a supra mid sump in mind, its several inches too long for the cressida front sump. something else i gotta fuck with. damndamndamndamn...

...i hope these guys are payin attention so when they break out with a bolt in kit, its ready to rock.
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#5 Bill

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Posted 16 June 2008 - 02:52 AM

I'll be doing all this r&d too, mine is in the mail, and i'll be filling them in on the cressida perspective. i'm sure aaron will be more than on the ball.

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#6 BigAaron

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Posted 23 June 2008 - 11:22 PM

First I would like to say that I am honestly very sorry you got a manifold withh some pinholes in it, and that you were generally unhappy about everything.

But there are a bunch of other things about your post that I really feel like you ARE trying to take a shot at us about.

#1 why are you complaining about having to spend money to have welding done to a kit that was expressly sold as a kit that REQUIRED WELDING? I will send you back $80 for the additional welding required to fix the pinholes in the manifold. The rest would have been required anyway and you knew in advance.

#2 you never called me and said, "hey Aaron, there's some pin holes in my manifold, can I get a replacement?". I would have promptly apologized and offered to not only send you a replacement manifold immediately, I would have paid the shipping for you to return your defective one.

#3 I know I told you that the wastegate flange on the manifold needed to be cut off and the dump tube repositioned, so why are you bothered about having to weld a flange on the manifold? Did you tell me the dimensions of your wastegate flange and ask what flange the manifold came withh?

#4 the kit you bought is not one of the completed kits I have been working on, and I know I made that clear.

#5 the installation requiring 3 or 4 shorter lower studs is something that ALL 1jz tubular stainless manifolds require, not some problem just withh the manifold we supplied you withh.

#6 you had someone weld a bunch of stuff withhout mocking it up on the the car, and it didn't fit. That's not something you should be all mad at us about in this thread.

It sounds like most of the issues you are bothered about were either because the shop doing the work charged you more then you thought they should, or because proper installation was not performed because of inexperience and not asking questions and taking measurements before firing up the mig welder. These kits are not something you should try to install a day before a race or even in one weekend. I don't want to come off as unsympathetic, because I do understand where you are coming from and I am sorry it was a pita for you to get it installed. I spend SO MUCH time putting the kits together at this $1500 price point. No mention was made of the quality of the hoses and flanges or how nice the turbo is all polished and ceramic coated withh name brand Garrett internals. I am not selling these as the best turbo kit ever made, I am selling them as the best turbo kit for the money. I will post pics of the new setup I am installing on a car in our shop this week, and I am putting the same manifold kit on my own car too.

#7 Jason

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Posted 24 June 2008 - 11:03 AM

thats quite a detailed rebuttal. ill try to go over it point by point.

First I would like to say that I am honestly very sorry you got a manifold with some pinholes in it, and that you were generally unhappy about everything.

But there are a bunch of other things about your post that I really feel like you ARE trying to take a shot at us about.


i didnt mean to come off as generally unhappy. nor am i intending on taking a shot at you.


#1 why are you complaining about having to spend money to have welding done to a kit that was expressly sold as a kit that REQUIRED WELDING? I will send you back $80 for the additional welding required to fix the pinholes in the manifold. The rest would have been required anyway and you knew in advance.


i was under the impression that the required welding would be to mate the exhaust with the downpipe, not to make the waste gate with attached flange not hit the downpipe.

#2 you never called me and said, "hey Aaron, there's some pin holes in my manifold, can I get a replacement?". I would have promptly apologized and offered to not only send you a replacement manifold immediately, I would have paid the shipping for you to return your defective one.


youre absolutely right, i didnt call you. i appreciate the customer service as im sure others would if they were in a similar situation

#3 I know I told you that the wastegate flange on the manifold needed to be cut off and the dump tube repositioned, so why are you bothered about having to weld a flange on the manifold? Did you tell me the dimensions of your wastegate flange and ask what flange the manifold came with?


i think you may have me confused with someone else. i dont think i asked the question about the dump tube or waste gate ever. the questions i had were specifically with the downpipe. i just assumed there wouldnt be interference between the downpipe and waste gate.

#4 the kit you bought is not one of the completed kits I have been working on, and I know I made that clear.


which is why i labeled this thread as FEEDBACK so you can make the adjustments to the pieces as necessary so there arent issues and the kit can be sold as "bolt in and go". i didnt get the entire kit from you. i bought the turbo, manifold, vband/dp, oil lines, and a few other things. but not the wg.

#5 the installation requiring 3 or 4 shorter lower studs is something that ALL 1jz tubular stainless manifolds require, not some problem just with the manifold we supplied you with.


this is news to me, east coast 1jz population is slim. not too many guys with em. i dont get to see them in action ever. there was one dude i met with a big single jza70, and another with a mostly stock rhd soarer, last one i saw was mostly stock in a jza80.

regardless, its not something i knew about in advance. if you plan on including instructions, that is something worth mentioning. also including those 3 or 4 studs would be taking that extra step. the other route would be to modify those runners so it becomes a non-issue. of course that would be expensive and probably cost prohibitive to keep the kit at your $1500 price point

#6 you had someone weld a bunch of stuff without mocking it up on the the car, and it didn't fit. That's not something you should be all mad at us about in this thread.


im not mad! just want to make that clear. im trying to provide feedback to your incomplete kit to make it easier for someone else to instal it, or for you to modify from the go so its not an issue for someone else. im mad at myself that i didnt mock everything up before i took it to him. lesson for everyone.

It sounds like most of the issues you are bothered about were either because the shop doing the work charged you more then you thought they should,


not at all. i know what labor costs.

or because proper installation was not performed because of inexperience and not asking questions and taking measurements before firing up the mig welder. These kits are not something you should try to install a day before a race or even in one weekend. I don't want to come off as unsympathetic, because I do understand where you are coming from and I am sorry it was a pita for you to get it installed. I spend SO MUCH time putting the kits together at this $1500 price point. No mention was made of the quality of the hoses and flanges or how nice the turbo is all polished and ceramic coated with name brand Garrett internals. I am not selling these as the best turbo kit ever made, I am selling them as the best turbo kit for the money. I will post pics of the new setup I am installing on a car in our shop this week, and I am putting the same manifold kit on my own car too.


inexperience, with the 1jz aftermarket, maybe. im anything but inexperienced when it comes to cars. i did rush in to try and get this all installed and running and incorrectly assumed that the majority of the work was done for me.

the oil lines and hardware ARE super nice. however, the drain line is for a MID SUMP 1jz! it will need to be shortened for the front sump people. also, it appears that the 90* bend is to be attached to the turbo and the 45* to the oil pan, this can cause a back up at the turbo. i feel you should use as straight and smooth and as large of a line as possible to reach the oil pan. ill post pics of what ive got on my 240.

the turbo IS super nice, not only is it garrett internals, but its also got a turbonetics ceramic coated turbine housing, and a polished compressor housing. very nice quality for an affordable price.

appologies for coming off as bashing anything. again, this is meant to be INFORMATIVE for the masses, AND for drift motion to be able to provide the BEST kit for the money. in my opinion to be the best, you should take your feedback and ammend your kit accordingly so it IS bolt in and go.
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#8 aphxero

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Posted 02 July 2008 - 09:01 PM

Jason man this is all normal stuff. Relax.

For the record I always have to cut my exhaust studs. It takes like 3 seconds

And dude, bolt in and go is always more $. Think about that.
I'm sure you'll love the car when its fast :)




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