Miata Turbo Forum - Boost cars, acquire cats.

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-   DIY Turbo Discussion (https://www.miataturbo.net/diy-turbo-discussion-14/)
-   -   Red hot turbo video (https://www.miataturbo.net/diy-turbo-discussion-14/red-hot-turbo-video-8149/)

rmcelwee 03-13-2007 08:25 AM

Red hot turbo video
 
For those of you who have never seen it, I just put my turbo video on youtube:

http://www.youtube.com/watch?v=HhOSOAJqsdU

rmcelwee 03-13-2007 08:27 AM

BTW, just got my new camcorder yesterday (Canon ZR500 - thanks to the many on this board who recommended that model) so you can probably expect a few videos of the car some time in the near future.

Atlanta93LE 03-13-2007 08:27 AM

Nice. That the meagan racing stuff?

Love the background commentary.

rmcelwee 03-13-2007 08:47 AM

Yep, Ebay special. A few days ago I got the car running after sitting for about 5 months. I checked the manifold for leaks and did not find any. I did all the welding myself the last time and hopefully the leaks are gone forever.

Braineack 03-13-2007 08:51 AM


Originally Posted by Atlanta93LE (Post 91933)
Love the background commentary.


let's freaking hope it's not the intake manfiold glowin' :rofl:

y8s 03-13-2007 08:56 AM


Originally Posted by Braineack (Post 91944)
let's freaking hope it's not the intake manfiold glowin' :rofl:

nos? welds? blown?

y8s 03-13-2007 09:02 AM

slow hotel connection. just watched it.

what kind of exhaust do you run? was it the shorty under-car dump tube with cherry bomb and turn-down tip?

I ask because I wonder if it's getting that hot because of a restriction in the exhaust (or turbo) or maybe it's running lean?

that's crayyyyyyyyyyyyyyyyyyyyyyyzy.

Splitime 03-13-2007 10:01 AM

I think a part of it is the metal used in the manifold. Fairly thin isn't it?

bripab007 03-13-2007 11:10 AM

Where's that smoke coming from on throttle let-off?

rmcelwee 03-13-2007 01:02 PM

The manifold glowed red because:
1) I was running extremely lean to the point that my Link removed all timing retard after 6000 rpm (HP just fell on it's ass after then).
2) My screwy EBC let me run up to 18 PSI on a tiny turbo


The smoke is from bad blowby coming out a K&N filter on the cam cover. At the autox you can watch my car leave a puff of smoke every time I shift. I'll be making my DIY catch can today.

Arkmage 03-13-2007 01:35 PM

It might be as much from the full spark retard as the lean mixture. Too much spark retard = high EGTs.

SloS13 03-13-2007 01:51 PM

that video is pretty HOT. LOL GET IT?

Braineack 03-13-2007 02:05 PM

look at his dynograph, his power drops to nothing as he knocks:

knock in red:
http://ww2.lightweightmiata.com:8080/dyno/dyno03.jpg

no power after 6k:
http://ww2.lightweightmiata.com:8080/dyno/dyno02.jpg


major retarding = high EGTs

SloS13 03-13-2007 02:36 PM


Originally Posted by Braineack (Post 92020)
major retarding

ouch low blow. Whats with the namecalling?

Yeah ignition retard is a great thing for warding off detonation but too much causes....detonation, overheating, melted stuff and general shittyness.

P90Puma 03-13-2007 05:30 PM

Intake manifold glowing. ROFL.

I hope you fix your issues, no manifold is supposed to glow like that after such a short period of time.

y8s 03-13-2007 06:06 PM

that's a lot of retard. probably turned the manifold into a combustion chamber

magnamx-5 03-13-2007 08:46 PM

the shit is stainless but super thin my ceramic caoting seems to be helping me on mine abit.

bripab007 03-13-2007 11:03 PM


Originally Posted by rmcelwee (Post 91994)
The smoke is from bad blowby coming out a K&N filter on the cam cover. At the autox you can watch my car leave a puff of smoke every time I shift. I'll be making my DIY catch can today.

If you properly routed your breather filter to a source of constant vacuum in front of the turbo compressor inlet, you'd have less pressure in the crankcase, and the effects of blowby would be less pronounced.

zoom2zoom 03-14-2007 12:34 AM

did they do a hot shutdown? geniuses....

getsidewaysd1 03-14-2007 01:11 AM


Originally Posted by zoom2zoom (Post 92225)
did they do a hot shutdown? geniuses....

I was thinking the same thing.


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