Rx8 turbo lagging help please!!
I just got my rx8 back together. i bought the car got a good deal because it wouldnt start. i had to replace the engine. the car had a greddy turbo kit on it. i put it all back together and it ran good for about a day the boost gauge was working and everything. Then yesterday the blow off valve was messing up found out the greddy type rd bov screw on to was stripped. fixed that but then today the turbo lags in 4th 5th and 6th sometimes in third it will build boost then lag. and help would be greatly appreciated. i am new to this rotary engine stuff and turbo stuff. Thanks in advance.
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Do you know what modifications have been done to the set-up? What are you using for engine management?
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i am using emanage from greddy and none that i know of stock greddy turbo kit with type rs blow-off valve.
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the bov was making the whistle sound then the screw stripped and now it doesnt.
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Sounds like you may be having a problem with the waste gate. Is your waste gate adjustable?
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Type R BOVs are known to be a POS. Could be the BOV just leaking under boost but then again there could be all sorts of other gremlins loose starting with but not limited to the E-mangle.
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Its greddys t618z turbo i do not know it the wastegate is adjustible
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Also fix #2 where do i hook up the line? There is already a tap that is hooked to the boost gauge. Do you hook it to the emanage sensor hooked to the bov and intake?
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Any chance you can post a video?
I'm not convinced from you description its lag you are experiencing BTW .. get rid of the Emanage while you're at it |
Originally Posted by r3x580z
(Post 4352790)
Also fix #2 where do i hook up the line? There is already a tap that is hooked to the boost gauge. Do you hook it to the emanage sensor hooked to the bov and intake?
Good luck! Cheers |
i have a video on the way and i dont have an a/f gauge yet the idle kinda wants to stall out sometimes but it saves itself.
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Originally Posted by r3x580z
(Post 4352828)
i have a video on the way and i dont have an a/f gauge yet the idle kinda wants to stall out sometimes but it saves itself.
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Yeah i have a little left over to spend and a the cel came on with p2070.
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Originally Posted by r3x580z
(Post 4352874)
Yeah i have a little left over to spend and a the cel came on with p2070.
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it just threw p0301 code also. i checked all lines and connections where is this valve so i can check the operation and how do i check the operation?
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Stop driving the car with a emanage o.O check all your plumbing.
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Originally Posted by r3x580z
(Post 4352932)
it just threw p0301 code also. i checked all lines and connections where is this valve so i can check the operation and how do i check the operation?
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why is emanage so bad? and how do you check proper operation
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Originally Posted by r3x580z
(Post 4352979)
why is emanage so bad? and how do you check proper operation
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I am not sure the e-manage ever 'properly operates'
If you find your leak or stuck valve wherever, you are still in for lots of hurt until you get a better management setup |
yes i did the engine swap and im not sure i have the greddy system hooked up correct but i have everything hooked up the way it came off. i just checked the valves and they are fine.
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best i could do the clock spring broke so i have the steering wheel off. |
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Sounds like your BOV is leaking . To test this - try taking the BOV off and put a flattened soda can in to block off the hole then reattach the BOV .
You should not be running a VTA BOV with a MAF based tune anyway - but that is another story. |
Originally Posted by Brettus
(Post 4353150)
Sounds like your BOV is leaking . To test this - try taking the BOV off and put a flattened soda can in to block off the hole then reattach the BOV .
You should not be running a VTA BOV with a MAF based tune anyway - but that is another story. I've got a VTA BOV and it works great, but it's a dual piston Forge that doesn't leak at idle it needs vacuum and positive pressure to open. If everything is top shape with the BOV and intake side of things, maybe turn attention to the tuning, it be nice to see a data log of whats going on. Or possibly fuel pressure but this would be under hard acceleration and would recoup faster then what it seems to do (higher gear needs more fuel for the same RPM and throttle) http://www.greddy.com/upload/file/03-RX8_TK_T618Z.pdf that's the link to the turbo installation if you want to double check e-management and other things cheers |
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