Miata Turbo Forum - Boost cars, acquire cats.

Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)
-   Prefabbed Turbo Kits (https://www.miataturbo.net/prefabbed-turbo-kits-3/)
-   -   Geddy is installed (https://www.miataturbo.net/prefabbed-turbo-kits-3/geddy-installed-5260/)

boostinsteve 10-23-2006 03:11 AM

Geddy is installed
 
I got the greddy installed today, now just have to try to find all of the leaks. It seems like it is extremely laggy. I will try it again later tommorrow. I have the ISC that is bad and waiting for parts to come in, so that may be part of the problem, but I will wait and see. I will keep you guys updated. The highest boost that I saw was 3psi on my autometer gage. Can't wait to get the emanage fully tuned and be ready to kick it into high gear.

boostinsteve 10-23-2006 03:12 AM

I would just like to say that it is extremely hard to type when you have been drinking all day.

Braineack 10-23-2006 08:53 AM

you did a pretty good job of it!

brgracer 10-23-2006 09:03 AM

You might need to tighten up that wastegate arm a bit as it might loose and causing both the low boost and laggy feel.

Braineack 10-23-2006 10:07 AM

just go back in and tighten everything in general. turbo/manifold/dp, couplers, etc. Double check the vacuum lines.

magnamx-5 10-23-2006 12:12 PM

just sober up i bit before you taker out though. and check a retighten everything.

boostinsteve 10-23-2006 12:57 PM

Yeah, I need to go get some new hose clamps. Broke a few of them. Also I tightened down the wastegate arm. The computer threw code 34 still, just windering if you guys think that the ISC system can cause a slight hesitation at the lower rpms when I floor it. The emanage is being a bastard still. I think I will write greddy and see what they say the reason could be for both lights being on at once. Took olderguy's advice, and took the switches to 0, and the lights are both still on. Only the active light is supposed to be on when the laptop is not hooked up. Thanks for all the support guys, once I get all of the little things taken care of, I feel more power is on its way.

flashlegs 10-23-2006 08:04 PM

I had the dreaded 3psi when I got my Greddy on too. I looked for a leak for a couple months before I added a check valve on the line going to the charcoal canister. And I would recammend some tbolt clamps cause I have a real bad problem with breaking the cheap clamps too.

magnamx-5 10-23-2006 08:07 PM

yeah recheck the install

turbored 10-23-2006 08:08 PM


Originally Posted by flashlegs (Post 52021)
I had the dreaded 3psi when I got my Greddy on too. I looked for a leak for a couple months before I added a check valve on the line going to the charcoal canister. And I would recammend some tbolt clamps cause I have a real bad problem with breaking the cheap clamps too.

so what was the problem in your case?

flashlegs 10-24-2006 07:40 PM

Boost leak at the Charcaol canister. The check valve I added at the vacuum line going to it got my boost up to where it was suppost to be(6psi at the time).

boostinsteve 10-24-2006 08:16 PM

Did you pick that check valve up at home depot?

olderguy 10-24-2006 09:02 PM

Any auto parts store will have them. If no auto parts stores around, try a fish aquarium place.

flashlegs 10-24-2006 09:29 PM

I got it at a autoparts store. You should be able to find one locally. If you can't, let me know and I could go get you one locally here. You'll have to pay for it, but I won't charge you extra or anything.

boostinsteve 10-25-2006 01:18 AM

I'll go and try to find one tommorrow. Thanks for the input man. I am sure that even if that is not the problem, it is cheap and will give some insurance later on, even though it makes sense. Thanks guys.

Fergus 10-25-2006 01:25 AM

Got any pic of that valve in place ?
I'm down a little on boost for a while now and can't find any leaks in the piping etc.
Actually, it feels as if it's down at 3psi......AGH!

boostinsteve 10-25-2006 01:49 AM

This seems to be a pretty common problem, we should try to get an article written and archived after we get that pic. 3psi for a lot of people hmmm. I will try to get mine in tommorrow, and then I will reply back about the results. Also, has anyone ever used those ebay turbo rebuild kits. I want to find an extra turbo, rebuild it, and have an extra turbo around.

Snowsurfer03 10-25-2006 06:07 AM

What did you set your timing at? Tightening the wastegate helps a lot but the biggest fix for "lag" is to up your timing via bipes and/or water injection!
Taking care of the lag increases fun factor X100!!! Goodluck!

Braineack 10-25-2006 08:59 AM

you can by a check valve in the automotive "help" section of any auto parts store. (those red packages with HELP! on them)

here:

http://www.rev2red.com/images/cars/faq/charcol.jpg

I'll add it to the faq.

flashlegs 10-25-2006 04:59 PM

https://www.miataturbo.net/forums/sh...heck+valve+pic

Here's a old thread with another pic of the valve. I think down about half way.

boostinsteve 10-26-2006 02:14 AM

OK, found out the problem was stemming from the ISC. Don't know how, but it was throwing code 34, got a new to me one, checked it, had proper resistance, put it in, went for a drive today real quick, and the thing boosted to 6psi by about 2800-3000 rpm. But now, for some reason, the car is throwing code 8, AFM. I tried redoing the connections at the ecu to try and get it to quit throwing the code but no luck. Checked the sensor, sensor checked out fine, but when I hooked the emanage up, the Vout of the afm was stuck at 3.2. Don't know what the hell is going on, but somehow I am not getting a good signal to the ecu and the emanage. I am going to try and get some pigtail extensions for my ohmmeter and rule out the connecting wiring. Oh well, if you guys have an extra afm just lying around, I will definately take it off your hands to try and get this damn thing working. I am also going to do the check valve in the vacuum line tommorrow, just for insurance purposes.

boostinsteve 10-29-2006 01:05 AM

So, I got a new afm, totally transformed the car. Night and day. Retuned the emanage just for the ignition portion for now, and pulled 11 of the 12 degrees for now. It sounds like a lot, but I am playing it very safely. I am getting a full 6 psi of boost at 2400rpm. Pretty quick spool. It is pretty instant. Need to tune out the bogs between shifts, but the thing runs 100% better now. It feels like a totally different car. Thank you to all of you guys for helping me get the bugs out of the system. Now I just have to tune it and find some bigger injectors for when the water injection system comes in. Should be pretty fast. Looking to add a good 50hp for the next step in my venture to the dark side as some call it. I will definately be posting some more, love this site and you guys are a great source of info.

Braineack 10-29-2006 01:51 AM

good, now put that z28 to shame!

boostinsteve 10-29-2006 02:51 AM

Gonna give it a try, but that is going to take a lot of money.

Arkmage 10-29-2006 08:14 AM

be carefull about pulling that much timing... you retartd it too far and your EGT will get higher due to burning the fuel to late in the cycle.

boostinsteve 10-29-2006 04:03 PM

I currently have the base timing at 12 degrees, and then I redid it this morning and am pulling 7 degrees, so far so good. It feels real good though, but falls on its face after a shift.

boostinsteve 11-03-2006 03:23 PM

I finally got around to finding and fixing all of the vacuum leaks. Now the car comes down slower off of the throttle to idle. It used to have idle droop and sometimes die, depending on how high the rpm's were before I let off the throttle. Also, for now, until I can afford a downpipe from turbotony, I am just going to get a 2.5" catback and gut the cat. How much of an increase in spool do you guys think that will give me.

boostinsteve 11-04-2006 11:19 PM

Got the exhaust done, and we just cut the cat out for now. I got a flowmaster super 40 muffler on there. Sounds real good, kind of raspy right now because it needs a cat in there. At idle, it sounds real sweet. Turbo sppols up with authority now. Now just need to save up for that damn dp. Oh yeah, it is mandrel bent 2.5". I will try to put some sound files on here for you guys.

UofACATS 11-04-2006 11:36 PM

Sweet. I wanna hear it

Does that 40 series flowmaster have "baffles" or whatever they're called?

boostinsteve 11-05-2006 03:09 AM

Yeah, it has the baffles. The main difference between the regular and the super 40 is the 2 chamber design. This makes the route that the exhaust has to take a little shorter. Beautiful sound though, just I do not like the raspiness that it gave the car due to not running a cat. It is a little loud also, a hell of a lot louder than I expected. Can't wait to get the dp, should give the turbo even more spool, yes. I am going to make the videos tommorrow, so I will attempt to put them here for you.


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