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if you havent seen a 91mm T-4 turbo (trick or treat)

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Old 11-02-2009, 07:54 PM
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what happened with the heads David?
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Old 11-02-2009, 08:07 PM
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Originally Posted by NA$TY-TA
Is Imports vs Domestics next weekend??

Next day air on the heads??? LOL

Kyle
.... At $150ish shipped per head. OUCH.
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Old 11-02-2009, 08:59 PM
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on the heads either the valves stretching or the valve seats sinking

ill be at mir, highly unlikely the t/a will show there, if at all rest of this year
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Old 11-02-2009, 09:21 PM
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wow...havent done that YET but I am sure i will...what are the symptoms?
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Old 11-02-2009, 09:36 PM
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the valve tips got higher and took the slack out of the rockers/lifters enough to start hanging open valves until it wouldnt idle
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Old 11-02-2009, 10:21 PM
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wow....well you know i follow your lead so i guess ill be looking for the no idle condition
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Old 11-03-2009, 02:41 AM
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That's extremely interesting as that is what you tracked it down to being. Is Bob going to put new seats in them or what is the fix?
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Old 11-03-2009, 03:55 PM
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yea, looks like it will set me back several hundo to get the heads better than new..

i'll have 15 paper weights to give away if i keep one.. lemme know.
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Old 11-04-2009, 02:36 AM
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That sucks man.
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Old 11-04-2009, 03:03 AM
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Hollow stem intakes or no? What spring pressure? How the hell? lol
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Old 11-04-2009, 11:44 AM
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Originally Posted by MIGHTYMOUSE
its the one to the left of my 88

o and happy halloween FIers!

why you havent considered a pt88-47?, its rated at 200 hp more than a regular pt88
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Old 11-04-2009, 12:30 PM
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Originally Posted by 02WSSICK
why you havent considered a pt88-47?, its rated at 200 hp more than a regular pt88
Im assuming it is due to his room constraints with his TTI kit, plus he already goes 8s with a t4 so why change it unless you have too.
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Old 11-04-2009, 12:31 PM
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Originally Posted by ineedatruck
so you could bolt this turbo up on a ebay turbo kit now and make 1000whp?
........
No way in hell that turbo will fit on the the PTK/eBay clone setup.
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Old 11-04-2009, 12:51 PM
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Originally Posted by Frost
No way in hell that turbo will fit on the the PTK/eBay clone setup.
Yup your right but it would fit on the phamspeed/ebay kit.
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Old 11-04-2009, 04:23 PM
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the valves were not of the quality necessary. also heard there was some 'issue' with the guides used in my assembly.
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Old 11-04-2009, 07:56 PM
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well it was haulin *** till the "issues"
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Old 11-04-2009, 11:44 PM
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How would this be on a 408? 4400lb street car? Yall said you think full boost by 4k rpms, how low do you think youd start seein boost?
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Old 11-05-2009, 07:49 AM
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Originally Posted by 95lsxss
How would this be on a 408? 4400lb street car? Yall said you think full boost by 4k rpms, how low do you think youd start seein boost?
The turbo on the dyno came on around the same as the PT88. Just made alot more power above 5500 on a 370ci LS based motor.
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Old 11-05-2009, 08:24 AM
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Originally Posted by MIGHTYMOUSE
the valve tips got higher and took the slack out of the rockers/lifters enough to start hanging open valves until it wouldnt idle
I believe that Chevpower had the same problem. I think it ended up being the seats that moved but I could be wrong. The heads weren't All Pro's though.
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Old 11-05-2009, 10:48 AM
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Originally Posted by DrTurbo
The turbo on the dyno came on around the same as the PT88. Just made alot more power above 5500 on a 370ci LS based motor.
When is that? im new to turbo v8s, i used to be a honda boy, now ima CHEVY MAN! lol
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