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Old 12-03-2012   #1201
Shane@DBPerformance
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Re: beaterX project thread

I would do a leakdown test. It won't tell everything, but might help you decide if you are going to pull the head. If the valve seats are compressed, then you might also have worn valve guides, which can cause more oil usage or even cause one of the valve guide seals to get knocked out of place.
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Old 12-03-2012   #1202
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Re: beaterX project thread

I agree with Shane on the leakdown test. At least it gives you something concrete to analyze, I know in our professional lives we have a common consensus that data is king and no smart/intelligent decision can be made without it!

I’m speculating the sparkplug failure event could have messed up a cylinder wall a little, that would be worse case??
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Old 12-16-2012   #1203
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Re: beaterX project thread

Well the weather outside is frightful, leakdown/compression numbers are trightful, let it go let it go let it go

Evo leakdown results:
1- 50% air from intake & exhaust
2- 50% air from intake & exhaust
3- 20% no leak at all*
4- 50% air from intake &exhaust

Cold compression
110 140 130*110

Walkin in an Evo wonderlaaaaaaaand.

Dear Santa....
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...I realized that I can't keep up my shit talking without anything to back it up.
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Old 12-16-2012   #1204
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Re: beaterX project thread



Those numbers sadden me
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Old 12-16-2012   #1205
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Re: beaterX project thread

still seemed to make good power for that kind of results if you want to look at the positives
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Old 12-16-2012   #1206
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Re: beaterX project thread

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Those numbers sadden me
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still seemed to make good power for that kind of results if you want to look at the positives
hell yea! Plus it's 'just' the head. Making plans now for when to get it yanked off, fixed, and re-installed.
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...I realized that I can't keep up my shit talking without anything to back it up.
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S2000: For those of us that know the Miata is the best car on the planet, but also want extra power and to not have to turn in our man cards.
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Old 12-16-2012   #1207
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Re: beaterX project thread

It's a dsm, let r buck
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Old 12-16-2012   #1208
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Re: beaterX project thread

mighty putty??
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Old 12-16-2012   #1209
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Re: beaterX project thread

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It's a dsm, let r buck
Heh! Problem is the car just sounds like shit. It sounds like a diesel until its fully warmed up and oil hot and even then it's not right.

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mighty putty??
Yes but where to put it, the coolant or the oil?
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I need to listen to Scheides more often i think :)
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...I realized that I can't keep up my shit talking without anything to back it up.
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S2000: For those of us that know the Miata is the best car on the planet, but also want extra power and to not have to turn in our man cards.
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Old 12-17-2012   #1210
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Re: beaterX project thread

Low compression = Moar boost = No more problem
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Old 12-17-2012   #1211
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Re: beaterX project thread

Ouch...
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Old 12-17-2012   #1212
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Re: beaterX project thread

Sucky dude
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Old 12-17-2012   #1213
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Re: beaterX project thread

2jz swap. Found you a whole engine for under 1k !
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Old 12-17-2012   #1214
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Re: beaterX project thread

Time for a valve job.
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Old 12-17-2012   #1215
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Re: beaterX project thread

Time for a valve job, maybe some better valves too? Are the factory X valves SS and do they have bronze guides?
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Old 12-17-2012   #1216
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Re: beaterX project thread

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Low compression = Moar boost = No more problem
Heh, I did that already, see fall dyno day thread

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2jz swap. Found you a whole engine for under 1k !
Hell yes!

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Time for a valve job.
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Time for a valve job, maybe some better valves too? Are the factory X valves SS and do they have bronze guides?
Yea, thats the plan. Gonna get through the holidays and then rip the head off and try to get it fixed asap. The head already has supertech +1mm valves in it, not sure they'd be not good enough...
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I need to listen to Scheides more often i think :)
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...I realized that I can't keep up my shit talking without anything to back it up.
Quote:
Originally Posted by JV
S2000: For those of us that know the Miata is the best car on the planet, but also want extra power and to not have to turn in our man cards.
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Old 12-17-2012   #1217
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Re: beaterX project thread

Supertechs are nice ones. They have been solid for me, I have the same ones and those have been through two motors on my car. I don't think quality or durability is the problem, at least with the valves, maybe another weak point?
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Old 12-17-2012   #1218
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Re: beaterX project thread

What springs do you have Murlo?
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Old 12-17-2012   #1219
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Re: beaterX project thread

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What springs do you have Murlo?
Supertechs.

I was going to do Manley's with my build but for whatever reason the Manley ones for the 4b11 are not "manly" and couldn't support the lift on my cams.

edit: sorry for going OT.

Scheides what springs do you have again? Maybe that is your issue? I doubt it though.
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Old 12-17-2012   #1220
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Re: beaterX project thread

I think his are the same as yours; that was my initial hypothesis.
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