NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Boost Is Weird Fellas (https://www.nopistons.com/2nd-generation-specific-17/boost-weird-fellas-33010/)

4RotorRocket 02-01-2004 05:07 PM

Ive got a 90 TII with the following:



-Apexi Power Intake

-Custom 3" full exhaust no cats

-Mechanical boost guage



That's about all that would deal with boost.



It doesn't run the full 8 lbs of boost its supposed to.Something electric must be messed up.



In 1st it runs to 5.5lbs

In 2nd it runs to 5.5lbs

In 3rd it runs to like 6 lbs and stays

In 4th on the freeway it goes immediately to like 7.5 lbs and stays there,doesn't creep.

In 5th maybe like 6.5 or 7 lbs again (I haven't had it at like 6k in 5th gear though).



Anyone know why it runs immediately up to 7.5 in 4th,but won't do that in any other gear at all?It's stopping right at 5.5 lbs before,where the wastegate is mechanically sprung.It's really really odd...and I don't think it's creeping which is odd. https://www.nopistons.com/forums/pub...1047683561.gif

g_dripht-alex 02-01-2004 05:10 PM

did you port your wastegate? that leads to boostcreep.

TheCamel 02-01-2004 05:20 PM

post a pic of your engine bay I have a little bit of an idea why it is doing this, but I need to look at something first.

4RotorRocket 02-01-2004 05:40 PM


Originally Posted by g_dripht-alex' date='Feb 1 2004, 03:10 PM
did you port your wastegate? that leads to boostcreep.

No I didn't.And sorry no pic of the engine bay I don't have a digital camera. https://www.nopistons.com/forums/pub..._DIR#>/sad.png

g_dripht-alex 02-01-2004 05:47 PM

yeah um port your wastegate, it could creep higher than that...alot higher.

RONIN FC 02-01-2004 05:52 PM


Originally Posted by g_dripht-alex' date='Feb 1 2004, 03:47 PM
yeah um port your wastegate, it could creep higher than that...alot higher.

Wow thats pretty stupid!

4RotorRocket 02-01-2004 05:54 PM

hahaha

RONIN FC 02-01-2004 05:59 PM


Originally Posted by 4RotorRocket' date='Feb 1 2004, 03:54 PM
hahaha

No, i meant the reply.

g_dripht-alex 02-01-2004 07:20 PM

why? free flowing exhaust, and nothing controling his boost, with a non ported wastegate does lead boost creep doesnt it? correct me if im wrong, i guess im stupid?

4RotorRocket 02-01-2004 07:30 PM

so im gonna need a boost controller

g_dripht-alex 02-01-2004 07:39 PM

porting your wastegate is also a good idea.

RONIN FC 02-01-2004 07:56 PM


Originally Posted by g_dripht-alex' date='Feb 1 2004, 03:10 PM
did you port your wastegate? that leads to boostcreep.

Here your clearly stating that porting your wastegate "leads to boost creep".




yeah um port your wastegate, it could creep higher than that...alot higher.
Here you state if you port your wasegate the boost will creep higher, "alot higher"

g_dripht-alex 02-01-2004 07:57 PM

bah i messed up my statements. ok here it goes.



did you port your wastegate, if you didnt that could lead to boost creep.



if you didnt port your watsegate yet it could creep higher than the 7.5 you've seen.

RONIN FC 02-01-2004 07:58 PM

I dont think its cool or funny spreading misinformation.

g_dripht-alex 02-01-2004 07:59 PM


Originally Posted by RONIN FC' date='Feb 1 2004, 05:58 PM
I dont think its cool or funny spreading misinformation.

i wasnt trying to be cool or funny, i messed up my statements. my bad.

RONIN FC 02-01-2004 08:01 PM

Its cool man. Its just that there is alot of people who are reading and arent posting who are trying to learn this stuff and dont need more confusion.

g_dripht-alex 02-01-2004 08:02 PM

yeah i hear ya, sorry bout that. i fixed what i said.

UniqueTII 02-01-2004 08:08 PM

The thread is about low boost, though.

TheCamel 02-01-2004 08:38 PM

Dramon,



Not sure why you decided to hijack this post, but your not helping the man with your ranting and raving about your problems. If you have nothing to help with the mans post, you should not be commenting on it. Does it make you feel better to do this in someone elses post since you cannot listen to simple reason in the posts you make?



Please refrain from the bickering in this section of the forum and leave your problems in Gen D

teknics 02-01-2004 08:56 PM

Ok you cant lower your boost with a boost controller, so that plan is out the window.



Are you trying to keep the boost a 5.5psi, im unsure of stock levels but i think thats it, if so due to your restrictions missing (stock exhaust and intake) you will suffer possible boost creep.



My suggestions is porting the wastegate, that would be the first step in this problem. If that doesnt fix it you may need to look deeper, but I'm sure the portnig will do the job for now.



Also please remember boost controller cannot lower your boost.



kevin.

4RotorRocket 02-01-2004 09:03 PM


Originally Posted by teknics' date='Feb 1 2004, 06:56 PM
Ok you cant lower your boost with a boost controller, so that plan is out the window.



Are you trying to keep the boost a 5.5psi, im unsure of stock levels but i think thats it, if so due to your restrictions missing (stock exhaust and intake) you will suffer possible boost creep.



My suggestions is porting the wastegate, that would be the first step in this problem. If that doesnt fix it you may need to look deeper, but I'm sure the portnig will do the job for now.



Also please remember boost controller cannot lower your boost.



kevin.

thanx finaly an answer I was looking for...see Dramon https://www.nopistons.com/forums/pub...DIR#>/wink.png

g_dripht-alex 02-01-2004 09:05 PM

i concur. this is what i was trying to say but im a moron.

teknics 02-01-2004 09:09 PM


Originally Posted by 4RotorRocket' date='Feb 1 2004, 10:03 PM
thanx finaly an answer I was looking for...see Dramon https://www.nopistons.com/forums/pub...DIR#>/wink.png

You're welcome, I try my best to provide answers but I am learning through experiences on this end. Considering my car either has or has had these problems i try to help you out as I know the info out there is a tad sketchy and contradictory.



kevin.

RONIN FC 02-01-2004 09:15 PM

You see, this is too hostile of an environment. I was innitially under the impression that g_dripht-alex was intentionally misleading, in which he prolly wasnt. And now all this drama! Everybodys on edge.



No offence to Phins or Nopistons in general but this place needs an enema.

teknics 02-01-2004 09:18 PM


Originally Posted by RONIN FC' date='Feb 1 2004, 10:15 PM
You see, this is too hostile of an environment. I was innitially under the impression that g_dripht-alex was intentionally misleading, in which he prolly wasnt. And now all this drama! Everybodys on edge.



No offence to Phins or Nopistons in general but this place needs an enema.

Not to be rude or offensive but you started "the drama" by calling his reply stupid.



To avoid the drama you could have asked for further information as to what alex meant, or perhaps for a clarification.



Calling people names neevr solves anything.



Please refrain from posting anything pertaining to the "drama" subject and stay tuned to the topic for which this is about.



If you'd liek to argue with myself, alex, dramon, or frestyle we all use the PM system for a reason.



Please do not take this harshly, but i'm working on giving this "enema" you're speaking of.



Good day sir,

kevin.

RONIN FC 02-01-2004 09:31 PM


Originally Posted by teknics' date='Feb 1 2004, 07:18 PM
Not to be rude or offensive but you started "the drama" by calling his reply stupid.



To avoid the drama you could have asked for further information as to what alex meant, or perhaps for a clarification.



Calling people names neevr solves anything.



Please refrain from posting anything pertaining to the "drama" subject and stay tuned to the topic for which this is about.



If you'd liek to argue with myself, alex, dramon, or frestyle we all use the PM system for a reason.



Please do not take this harshly, but i'm working on giving this "enema" you're speaking of.



Good day sir,

kevin.

No kevin, this is done here! I see this game that you guys are playing and im not down with it.



g_dripht-alex may have mistyped his statements, I may have misinterpreted his motives and that is that.



All of that other stuff, you guys can keep and hold all of that.

teknics 02-01-2004 09:33 PM


Originally Posted by RONIN FC' date='Feb 1 2004, 10:31 PM
No kevin, this is done here! I see this game that you guys are playing and im not down with it.



g_dripht-alex may have mistyped his statements, I may have misinterpreted his motives and that is that.



All of that other stuff, you guys can keep and hold all of that.

I politely asked for this to be resorted to PM's this is what the moderators as well as I wish, do not drag drama through posts. I am here to help, as you clearly are as well.



I would not like to argue in this topic as it solves nothing.



If you'd like further clarification please feel free to contact me:



Contact Info:



Email: teknicsiny2g@aol.com

PM: teknics

AIM: teknicsiny2g



kevin.

FrestyleFC3S 02-01-2004 09:35 PM


Originally Posted by RONIN FC' date='Feb 1 2004, 11:31 PM
No kevin, this is done here! I see this game that you guys are playing and im not down with it.



g_dripht-alex may have mistyped his statements, I may have misinterpreted his motives and that is that.



All of that other stuff, you guys can keep and hold all of that.

https://www.nopistons.com/forums/pub...1047683561.gif .... no one is arguing bro..... PM system is there.... ignore system is there



you can figure out waht to do in order to stay away from conflicts

Leetheslacker 02-01-2004 09:55 PM

Hey 4rr, are you going by the stock boost gauge or an aftermarket one?



Im just thinking full exhaust and intake and its running less boost then its supposed to, either the gauge is inaccurate or something is wrong.



I mean dramon with a dp/mp is creeping to 10psi at 5k....

g_dripht-alex 02-01-2004 11:19 PM

i might be an *******, but not when im trying to help someone out. my intentions were never to mislead. i unintentionally type what i meant wrong. sorry about that.

ColinRX7 02-01-2004 11:22 PM

It's funny tension is high because people think the tension is high. LOL.

g_dripht-alex 02-01-2004 11:25 PM

i heart bunnys, kittens and anything that is fluffy and soft.

1Revvin7 02-02-2004 12:15 AM

Dramon consider yourself warned.



Everyone else just chill out.


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