is 250whp unrealistic??? [Archive]

freeturkeys

10-15-2003, 06:21 AM

i'm planning on building a t3/t4 turbo kit and putting it on a z6 or a y8... i want to make about 250 at the wheels? is that unrealistic? what am i going to have to do to achieve it? i want this to be a reliable everyday 250 hp too so nitrous is out of the question... maybe i'll add it later but i want to be able to push down that pedal and have around 250 power just like that... help me out guys!

Honda4VW

10-15-2003, 07:07 AM

IM hoping to come up with 300 WHp with my current build. Its not easy. Must get some strong internals, and either sleeve the block or install a blockguard. Oh yeah, need a turbo that will spool up at a decent point, and will push till redline.

infinatenexus

10-15-2003, 08:03 AM

post the cylinders
forged pistons
forged rods
head studs

T3/T4 turbo will do it just fine

Honda4VW

10-15-2003, 08:05 AM

post the cylinders
forged pistons
forged rods
head studs

You would recommend posting the cylinders over a block guard?

Calesta

10-15-2003, 08:11 AM

I would resleeve with a strutted sleeve like Golden Eagle's over posting or dropping in a block guard... after machine shop fees for realigning the bores on the block, the resleeve job isn't that much more expensive.

You can hit 250whp without too much effort on a turbo D as long as you start building up the internals. I have 3 friends that made 200-220whp on all stock internals with intercooled Greddy and Apex'i bolt-on turbo kits, so something a little more custom will get you there. One of the guys at the shop that builds my B blocks made 299.something whp on his turbo D16, and that's daily driven. He's running a T3 60-1 (I think, not sure about trims) turbo on a 78mm bore D16 (1720cc).

infinatenexus

10-15-2003, 08:18 AM

You would recommend posting the cylinders over a block guard?

Yup, the block guard only supports the top of the sleeve, posting supports the top, and middle.

after machine shop fees for realigning the bores on the block, the resleeve job isn't that much more expensive

When I posted my Y7 block it was 10.00 in materials, and 100.00 for the machine work, that inclused align boring-twenty over, honing, and resurfacing the head gasket mating surfaces.. Sleeveing runs 700.00+, if your not pushing ofer 16-18 PSI on a regular basis its not needed.

Honda4VW

10-15-2003, 08:27 AM

if your not pushing ofer 16-18 PSI on a regular basis its not needed.
To put down 250-300 WHP you need to be pusing 16-18 PSI consistently

infinatenexus

10-15-2003, 08:29 AM

if your not pushing ofer 16-18 PSI on a regular basis its not needed.
To put down 250-300 WHP you need to be pusing 16-18 PSI consistently

true, but how often are at that boost level on the street?

klungemonger

10-15-2003, 12:30 PM

freeturkeys

10-16-2003, 06:45 AM

from what i have heard, 10 psi is the maximum you'd want to be running on stock internals. i also have a y7 i plan on building up, and to go beyond 10 psi you should seriously consider getting rods and pistons, some headwork, and beyond say 14-15 psi you should start reinforcing the block... again i may be wrong this is just what i have been told by different people

infinatenexus

10-16-2003, 09:54 AM

it all depends on tuning, like I stated in another thread, I have seena little over 300 Hp on a stock Y8.

hatchback19

10-16-2003, 01:25 PM

Block guard install free, hoaning was $40, milling was $50. Thats waht it cost me at the local machine shop.

hatchback19

10-16-2003, 01:41 PM

Oh yea, 250whp is a very realistic goal. Just do it right!

Goldenboy

10-16-2003, 03:29 PM

Block guard install free, hoaning was $40, milling was $50. Thats waht it cost me at the local machine shop.

If you've ever seen some one install a block guard you'll understand why it's free.
All they do is get a 2X4 and put it on top of the block guard and the guard on top of the block and use a mallet to hammer that sucker in. That's why they hone afterwards.... they distort the sleeves. And who gave me this advice? Endyne, Nu Formz, and soem other machine shops

hatchback19

10-16-2003, 06:25 PM

Yes, I know exactly how to do it. I'm not saying its difficult, just stating how much it costs. It threw the top of the cylinder walls out 6 thousandths of an inch, hence the hoaning.

crxtscy

10-16-2003, 08:42 PM

....then slap on a lil bit of juice and ur good to go.

kommon_sense

10-17-2003, 08:35 AM

Any guesses how much hp my Y7 is going to put down, bone stock longblock with TD04 intercooled, MSD BTM, all that other good tuning stuff, with 10psi? And at what PSI should I be thinking about reinforcing the block. I need to run rock-solid reliable but want to pull every horsey I still can.

IIRC, you got your td04 off of a wrx. They are a litle on the small size. I would guestimate anywhere from 180-200whp @10psi.

booscivic

10-17-2003, 02:36 PM

It possible easy with that turbo!!!
You are going to need internals
good tunning
and a good radiator like PWR or fludyne for everyday driving!!!

S Q A D

10-28-2003, 01:43 AM

definately a new radiator, new cam would help, new fuel upgrades to handle the power and get the most of it , 10psi at stock internals is good .. anything above that would be kinda pushin it ... yea those WRX slugs are kindas small ... id get somethin a bit bigger with huge high rpm power

kain

10-31-2003, 07:38 PM

cmon, the wrx turbo can go well into 15 to 16 psi.

liam821

11-02-2003, 05:06 PM

Ive boosted 15psi on a stock d16z6 block before. I ran 104 octane fuel though. The block held up fine to my 6 runs at the track and the 20 mile drive back home. :)

The rest of the time i was boosting 10-13psi on 91 pump gas...never had a problem. Fuel control is key really. At 12-13psi im guessing i was putting down around 210-220whp. At 15psi its gonna be around 250whp.

On my old built d16z6 block (had rods / pistons), i was boosting 18psi, stock sleeves, putting down close to 300whp. I also had a block guard in there which i wont use again. It liked to overheat sitting in traffic.

liam

Guest500

11-02-2003, 05:23 PM

learn from your elders..(i know your probibly tired of hearing the name) Larry widmer uses block posting to keep his sleeves lined up under the severe-yet-adjustable boost levels that his street legal monster sees every day. no special sleeves, or crappy blockguards. and with a time like that (11.04 for all you who forgot) who can argue?

S Q A D

11-03-2003, 12:21 AM

im not sayin wrx slugs arent good for nice boost numbers .. im just saying they are kinda small, id like something bigger, bigger turbine, better rpm range ..

alteredautosports

11-03-2003, 10:40 AM

just get ready to coat pistons and sleeve the block and get good rods! i have over 10k in my setup and 378 whp @18 psi and still have room to play!

S Q A D

11-03-2003, 11:35 AM

shit man . nice numbers .. and @ 18psi ... id probally nut if i heard your bov .. hehe

alteredautosports

11-03-2003, 12:19 PM

thanks yours looks good too!

S Q A D

11-03-2003, 08:45 PM

? :?: huh? mine looks good too? my what ?

Posted: Mon Nov 03, 2003 8:19 pm Post subject:

--------------------------------------------------------------------------------

thanks yours looks good too!

im confused?

Mrock

11-03-2003, 09:21 PM

I can't help but notice since I posted that article about Widmer's ride..how everyone seems to be becoming an expert on the subject of his ride :) ...Oh well...at least the knowledge is getting out there!!!

S Q A D

11-03-2003, 11:34 PM

whats widmers ride? i have no clue what that is ....

freeturkeys

11-04-2003, 09:36 AM

go to hotrod.com and search for civic... it's probably the only one... widmer is this guy who put 487 to the wheels with a supercharged d-series... made his own head though we dont all have that ability.. still some crazy shit... he also sells a mod for the jr supercharger that lets it put out up to 15 psi for 1400 bucks.. not a bad deal considering it only puts out 6 stock... def worth looking into if you're an sc guy

TravSi

11-04-2003, 02:39 PM

You can do 250 easy on a t3 super 60 or 60 trim t3 with better efficency than a t3/t4...and you wont really have to use sleeves or block guards stock sleeves will hold fine....just pistons and rods i would say and a lil head work to get it flowing well....i did 205whp on my d16a/z6 on 6psi and shooting for 250 or close to it on 10 psi....so that high boost story is junk, a d16 sleeves are the same as b16 and i have heard that they are actually thicker because a smaller bore size and the b16 stock sleeves have proven to hold over 350hp....Im running stock sleeves and eventually shooting for 300hp in the near future...just have good fuel and timing mgt and somethin to monitor knock and you will be set......

turboteener

11-20-2003, 03:41 PM

Here is something to think about what makes power in a turbo motor, boost or CFM? If you can flow twice the CFM at half the boost pressure who says you can not make more horsepower than cranking up the boost. I have a friend with turbo Dodge and he runs 17-18 on a daily basis, but that is through a stock TB, intake, and intake piping. If he would get rid of the restriction he would lower the boost and make more power. In my opinion flow is more important than boost.

fjt

11-21-2003, 05:01 AM

It is possible..My shop here built a d16y8 and is Pushing 15PSI and it dynoed 296whp..with an OBDII automatic Stock ecu,theyre gonna go OBDI with a chipped ecu and theyre adding a Skunk 2 manifold and hondata gasket.. theyre aiming for 340whp now with more tunning.

The car is a daily driver

makentraxcrx

11-21-2003, 06:42 AM

on a d16 you put a block guard ,forged rods,pistons and a ported head and a t3 t4 s trim with a good spearco intercooler and good tuning and you'll put down around 250 at the wheels on 10 psi i know from experience

Rexinre

11-21-2003, 07:51 AM

I just got dyno'd the other day and I am at 238whp with 201foot lbs. That is at 12 lbs. of boost. But, you look at all I did to the motor on my website! Get ready to spend some dough! 8)

Good Luck and keep us posted!

redteg87

11-21-2003, 08:36 AM

Rexinre

11-21-2003, 01:39 PM

2 reasons; I didn't re-sleeve my cylinder walls; and don't have an ignition system yet. :D

redteg87

11-21-2003, 11:55 PM

2 reasons; I didn't re-sleeve my cylinder walls; and don't have an ignition system yet. :D

I know of people running 18psi on stock sleeves. Did you have bad experiences with cracking sleeves in the past or something?

Rexinre

11-22-2003, 06:24 PM

No just don't want to break anything... a little worried I guess. I put a lot of money into the motor and I don’t want to mess it up. :D

redteg87

11-23-2003, 02:35 PM

Hey, fair enough. Do you race the car or is it just for shows?

If you've raced it, what are your best times?

Rexinre

11-23-2003, 03:46 PM

First time after all the work was 13.9 at 100mph. I haven't run since cause of the weather. I am on my way to Florida and ran into a little problem, http://d-series.org/viewtopic.php?t=1995 so now I have no idea what I am going to run!

I will keep everyone posted...

If you have info on the question I posted at the above link, please help... :?

Thanks

hatchback19

11-28-2003, 09:08 PM

just get ready to coat pistons and sleeve the block and get good rods! i have over 10k in my setup and 378 whp @18 psi and still have room to play!

What size turbo are you running? That's a lot of power for only 18psi on a D Series. Must be a huge turbo, and not very streetable but i could be wrong. Ever run it at the track?

Shocka1998LX

12-01-2003, 09:59 PM

250whp is easy to get with forged internals and a sleeved motor and some nice boosting power from a ceramic blade ball bearing t3/to4e :wink: