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help:greddy turbo kit install car stalls w/cobb ap

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Old 12-14-2008 | 12:18 AM
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omg...merry x-mas to your avatar......
Old 12-14-2008 | 12:46 AM
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Originally Posted by gregs
omg...merry x-mas to your avatar......
"two turtle doves..."

New one every day (approx) until X-Mas!

Ho ho ho, bitches!
Old 12-14-2008 | 10:49 PM
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Update
so today i went searching for a plug to close my greddy bov and had no luck so after some mcgeiver thinking i cut a section from a soda can and placed it between my bov and the flange started the car and let it warm up, sprayed some carb cleaner in the bov hole no change of idle perfect no leaks, i rev the engine and no more stalls! so i take it out for a drive and same no more stalling i do get some occasional black smoke from the tailpipe when at a stop after a wot run (i think its running pretty rich) so now it looks like im going to need another bov correct? what are my options, im leaning more towards hks and not recirculating it
just want to say big thanks to kane & jeff and everyone else for all the help!
Old 12-14-2008 | 10:57 PM
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HKS SSQV, not recirc....that's what I use

prepare yourself for some backfires on throttle lifts tho
Old 12-14-2008 | 10:58 PM
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on second thought...wouldn't the anti-stall fitting work fine without switching BOV's? it's way cheaper too....plus if i'm not mistaken you will have to get a different adapter welded in to fit the HKS or other bov
Old 12-14-2008 | 11:01 PM
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thats what im afraid of is having to hack off the greddy flange and welding a hks flange...so im not sure if i should be ok by using the greddy bov with the anti-stall fitting?
Old 12-14-2008 | 11:01 PM
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Originally Posted by 05rex8
HKS SSQV, not recirc....that's what I use

prepare yourself for some backfires on throttle lifts tho

+1. I'm in the same boat. Its a nice boat.

Originally Posted by 05rex8
on second thought...wouldn't the anti-stall fitting work fine without switching BOV's? it's way cheaper too....plus if i'm not mistaken you will have to get a different adapter welded in to fit the HKS or other bov
Uh, also +1!

lol

I think HKS makes an adapter fitting that will allow you to use the GReddy flange.
Old 12-14-2008 | 11:03 PM
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ooh do you know where i can find that? jeff im sure you think its a good idea to ditch the greddy bov rite?
Old 12-14-2008 | 11:17 PM
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Ask CRH. I'm sure he can hook that up.
Old 12-14-2008 | 11:29 PM
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do you think if i get the anti-stall fitting i should be ok? or should i just replace the bov with an hks unit...i sent CRH a pm to see what pricing would be for a hks bov and flange

Last edited by gregs; 12-14-2008 at 11:39 PM.
Old 12-14-2008 | 11:58 PM
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Get a vacuum pump to test the BOV; if it holds open on vacuum then it still works; cheapest route would be the anti-stall fitting.
Old 12-15-2008 | 12:19 AM
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ill borrow a pump tomorrow and see what the results are, so once i start the procedure it should hold vacuum on the pump gauge rite?
Old 12-15-2008 | 12:35 AM
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Yeah you pump the vacuum pump (connected to the BOV obviously); and it should open. If the Diaphram leaks then it won't stay open.
Old 12-15-2008 | 02:30 AM
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That doesn't test much that is relevant to this situation.
What you need to test (and can't easily) is the opening differential.
A BOV is opened by a combination of pressure and vacuum.
Its that balance that determines the effectiveness of the device.

The GReddy is modulated by the pre-tension on the spring.
The HKS has a fixed ratio of vacuum to pressure at which it will open.
Old 12-15-2008 | 02:49 AM
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hey jeff quick question,

i already have the cobb tuned for NA by you, but how much (rough estimate is fine) would it be to get new tunes if i ever went turbo in the future?
Old 12-15-2008 | 10:32 AM
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Originally Posted by \\Konig\\
hey jeff quick question,

i already have the cobb tuned for NA by you, but how much (rough estimate is fine) would it be to get new tunes if i ever went turbo in the future?
When did you buy your AccessPORT?
Old 12-15-2008 | 02:30 PM
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right around Mar 27, 2008
Old 12-15-2008 | 02:52 PM
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You would just re-subscribe to the Calibration Service:
http://www.mazdamaniac.com/cobb/accessport.htm
Bottom of the page.
Old 12-15-2008 | 03:15 PM
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alright sounds good for the future, thanks!
Old 12-15-2008 | 03:29 PM
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i just placed the order for a hks bov with a adapter fitting to still be able to retain the greddy flange on the hks bov...ill keep you guys posted once i install the parts
Old 12-15-2008 | 03:42 PM
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Sounds good man - I was never a huge fan of the RS anyway.
Old 12-15-2008 | 05:08 PM
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i cant wait for the results!

are you going to keep running the same map you had before?
Old 12-15-2008 | 05:36 PM
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for now yes, im going to wait till i get the bov then ill start datalogging based on how the car runs
Old 12-16-2008 | 04:56 PM
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Looks like I'm running the exact same setup as gregs. While I had an idle problem originally, it sounds like gregs' is much worse. However I found that it just took a lot of tweeking on the RS bov to get it to play nice. There seems to be a very small range where it won't stall and will still discharge enough of the pressure to keep the turbo from spinning backwards. Just a thought.
Old 12-22-2008 | 12:28 AM
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well i finally installed my hks bov today and didnt have to cut and weld a new flange i found a place that sells a adapter like MM said and works just like it used too now...what a relief! once again thank you to everyone that has helped me through the whole process, i will post some newer pictures sometime this week, and get some videos up soon as well!


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