J-spec DP's vs. Split DP's vs. Super Splits DP's

[k3smostwanted]

ok...i havent started a new thread in a while...and i have some things i need to work out in my head...

ok...dilemma #1 is DP's

J-Spec DP's are just an open piece of piping that comes down from the turbo...better than US spec Downpipes which are very restrictive.

Split DP's are an older style DP for the Z32...these seperate the exhaust flow coming right off the turbo which essentially causes less restriction from air spinning and mixing right on back of the turbo trhough a bend.

Super Splits are a relatively new design of DP's for the Z32. they cost a little more than the regualr Splits probably because of the newness. the seperate the exhaust off the turbos even more which effectively adds HP and Torque.

ok the question is, are the aftermarket DP's really worth the money at this point in my project (most of you probably already know what it is)...

i was thinking for speed and money's sake i should stick with the J-spec DP's until next winter when i upgrade the turbos because i will have to buy new DP's anyways because i will be moving to a 5 bolt turbo instead of the stock 4.
plus, my N/A testpipes will bolt right up to the J-Spec DP's which would help me move my project along without waiting on money for parts. so while im putting in the motor i can be saving money for testpipes. in result making my car driveable much sooner...well i obviously already have my mind kinda made up but i want some of your guys opinions.

another question, i have read recently i have to cut down my AC condensor thingy up front to make more room for the IC piping. how come i am just now hearing this??? and does anyone know what it takes to cut down that thing and re-weld back together.

there are a bunch of things that keep popping up that i need or that is goign to take more time than i expected...

things i didnt know about or didnt plan...
-the AC condesor thingy up front needs cut
-AC lines are different between TT and N/A, so i need to find some TT lines
-Speed Sensors are different between 5-speed and automatic and TT and N/A so i need to find me a used N/A/5-speed sensor

nothing big accept the whole cutting the AC cooler up front kinda scares me.

anyways, i guess this turned out to be more of a[listen to me rant and also try answering my questions] kind of post...

[probehtr300]

lol yeah i think u lady have a idea what your gunna pick, but in my pinion i thnk u should just go with the j-spec DP's for now and then upgrade those when u do the turbos like u said
and about all those little "didnt knows" yeah it sux and youll probably run into a few more but just think, u goin through this will help everyone including myself when we finally do the swap
and as faras the A/C condensor u could either just have a local shop weld it up nice or couldnt u just get a TT condensor ?
hope it all works out. good luck

[DeleriousZ]

i'd say go with the super split dp's... they should fit the sport 500's or 600's.. whichever you decide to go with (go 600!!!)

those along with some iconel(sp?) manifolds, you should have an almost lagless system with the 500's... maybe full boost by 3g with the 600's? either way, it'll be fucking sick

the basic formula for engine swaps, or any sort of major work, is take your original time, cut it in half, and add that to the original amount of time you thought it'd take.... same for money

[k3smostwanted]

Originally Posted by probehtr300

lol yeah i think u lady have a idea what your gunna pick, but in my pinion i thnk u should just go with the j-spec DP's for now and then upgrade those when u do the turbos like u said
and about all those little "didnt knows" yeah it sux and youll probably run into a few more but just think, u goin through this will help everyone including myself when we finally do the swap
and as faras the A/C condensor u could either just have a local shop weld it up nice or couldnt u just get a TT condensor ?
hope it all works out. good luck

about the AC condensor...i read its mounted higher up so i think it would be more work to swap in the TT with custom brackets and what not. and about the custom shops, thats the problem, we dont have alot of those around here. and i dont really know who i should call...we have a custom sheet metal place that i think would be my best bet, eventhough they work with sheetmetal, im sure they can hook me up if they arent d***heads...

i hope i dont find many more little things that i didnt know about or didnt think about come up...its dipping right into my wheel & tire/big brake kit/laptop/Z32 general upgrades money!!!

[k3smostwanted]

Originally Posted by DeleriousZ

i'd say go with the super split dp's... they should fit the sport 500's or 600's.. whichever you decide to go with (go 600!!!)

those along with some iconel(sp?) manifolds, you should have an almost lagless system with the 500's... maybe full boost by 3g with the 600's? either way, it'll be fucking sick

the basic formula for engine swaps, or any sort of major work, is take your original time, cut it in half, and add that to the original amount of time you thought it'd take.... same for money

i think all thats coming next winter...im gonna hold off on the super splits until i can upgrade my turbos. im hoping JWT will come out with something bigger than the 530BB but smaller than the 700BB but still Ball Bearing...that would be ideal but i will probably end up with the 530BB but im also looking at the HKSGT2530's and the Z1 GT625RS's.

[Broke_as_****]

Since I don't know for sure, check the J-spec pipes to make sure they clear the steering column. If I remember correctly, they won't. Which would make your decision alot easier.

[DeleriousZ]

JWT sport 600's!!! not bb, but they'd be perfect...

[k3smostwanted]

Originally Posted by DeleriousZ

JWT sport 600's!!! not bb, but they'd be perfect...

but if im not going BB then id rather have the Z1 GT675RS's which is supposed to be liek the "disco potatos" eexcept modified a little to compensate for the lack of displacement to spool the turbos. 1.5L per turbo makes the disco's kinda of obselete i guess...

and broke...i was told by a few people to leave the J-specs with the N/A mid pipes and i will have a nice free flowing exhaust and i just checked the Z1 write-up and it also says to use the J-specs...

Z1 also sells the J-spec downpipes so they must fit without clearance issues but i do see where that may come into play. i will have to further research the issue later. i need to call Z1 sometime next week to order some stuff so i will ask then...

also, did you or are you buying the super-splits or the regular splits??? i assume super-splits if you havent ordered them yet...also, can you tell me how restrictive the stock exhaust manifolds are and at my "complete bolt-on" goal for this summer, is it even worth paying the money to get a set ported???

[Broke_as_****]

Originally Posted by k3smostwanted

and broke...i was told by a few people to leave the J-specs with the N/A mid pipes and i will have a nice free flowing exhaust and i just checked the Z1 write-up and it also says to use the J-specs...

Z1 also sells the J-spec downpipes so they must fit without clearance issues but i do see where that may come into play. i will have to further research the issue later. i need to call Z1 sometime next week to order some stuff so i will ask then...

also, did you or are you buying the super-splits or the regular splits??? i assume super-splits if you havent ordered them yet...also, can you tell me how restrictive the stock exhaust manifolds are and at my "complete bolt-on" goal for this summer, is it even worth paying the money to get a set ported???

Between the US ones and the Japanese ones I have sitting in my garage, I can say they looked different enough to warrant mentitioning. Anyway, as for down pipes. Well lets see. I can order the ones that make power or the ones that make more power. What was you're question now?

AND, as for ported stocks. Take a look inside there then look at the outside. There isn't too much you can take off, the porting work would mostly just be knocking off some of the sharper edges that stick out. Actual power gains? Probably 15 hp. Worth it? Your call.

[k3smostwanted]

Originally Posted by Broke_as_****

Between the US ones and the Japanese ones I have sitting in my garage, I can say they looked different enough to warrant mentitioning. Anyway, as for down pipes. Well lets see. I can order the ones that make power or the ones that make more power. What was you're question now?

AND, as for ported stocks. Take a look inside there then look at the outside. There isn't too much you can take off, the porting work would mostly just be knocking off some of the sharper edges that stick out. Actual power gains? Probably 15 hp. Worth it? Your call.

ok thanks broke...that helps alot. and as for the downpipe question, i thought you might have already purchases your downpipes before the super-splits were for sale.

15hp is probably worth it...it probably has alot to do with how my financial situation is after i have ordered all the must haves and more important upgrades.

[DeleriousZ]

well it's not like you need to put them on RIGHT NOW.... i'd just wait till you have the funds to install em... sure it'll be a bit more of a pain, but might as well run with the j-spec dp's while you have them..... you do have the j-specs right?

[k3smostwanted]

Originally Posted by DeleriousZ

well it's not like you need to put them on RIGHT NOW.... i'd just wait till you have the funds to install em... sure it'll be a bit more of a pain, but might as well run with the j-spec dp's while you have them..... you do have the j-specs right?

not yet but they are in transit with my motor...

but yeah, i think i will go ahead and get the manifolds ported because i want to get my upper plenum beed blasted, honed, and powder coated anyways. might as well take them both in...probably get the lower plenum done too. hell, might as well get the turbos rebuilt too!!!

[Broke_as_****]

"Might as well"?

I started doing that and now, one year and some $10,000 later, I'm still waiting to drive my car.

"Might as well" is bad for you.

[k3smostwanted]

Originally Posted by Broke_as_****

"Might as well"?

I started doing that and now, one year and some $10,000 later, I'm still waiting to drive my car.

"Might as well" is bad for you.

yeah...i noticed that myself very quickly. i started making a list and it started with a few basic things and then i ended up with about 25 "might as well" things. ehhh...i guess its part of owning a Z.

[DeleriousZ]

it seems to happen with every project... mine were mostly oh damn i guess i need this to do it the right way, not might as wells.... my project that i had laid out for my integra was going to cost over 13 grand w/o the engine... so i said screw it i want a Z... which will probably end up costing me double that anyway lol