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03-10-2012
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#11 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: Next! Top End Touchup
Well the touch up has turned out to be just a bit more. Most of the I/H ports needed help as far as getting a consistent 36mm dia. Now the ball rolls through each port. The pass side needed more work than D/S. The plenum won't need any further tweaking other than smoothing the runner walls. Should be interesting to see what additional airflow does w current tune. Oh and just to show I was pushing it, I have 2 ports with pinholes.
HEY AL! |
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03-10-2012
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#12 |
 Join Date: Nov 2007
Location: chicago
Posts: 200
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Re: Next! Top End Touchup
pin holes huh,how thin did you get the surrounding area and when are you coming over?
i hope the pin holes are in the Plenum or the injector housing. AL. Last edited by ALZR1; 03-10-2012 at 11:10 PM. |
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03-10-2012
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#13 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: Next! Top End Touchup
Al,,
Overall not bad although a larger area on D/S needs help. It's the primary runner and the front bolt hole wall. See you this week. 
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03-11-2012
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#14 | |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
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Re: Next! Top End Touchup
Quote:
Still hoping you see at least 450 at the wheels before the top end is "finished".P. |
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03-11-2012
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#15 |
 
Join Date: Mar 2004
Location: Found Member
Posts: 4,327
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Re: Next! Top End Touchup
No pinholes = not enough porting. Go on and rip them up Dom.
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03-11-2012
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#16 | |
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Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
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Re: Next! Top End Touchup
Quote:
 Marc says, "If you don't punch through at least once, you aren't trying hard enough!" P. |
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03-11-2012
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#17 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: Next! Top End Touchup
Quote:
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03-11-2012
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#18 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: Next! Top End Touchup
I will say when Al does them you cannot tell someone has been there....
__________________
LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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03-11-2012
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#19 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: Next! Top End Touchup
Finished port touch up. Here some pics. I am going to guess there'll be an increase in air flow. I'll probably take these to get stripped
and then to Al for any repairs. The media blasting will help uncover any other weak areas or pin holes.     
Last edited by XfireZ51; 03-11-2012 at 06:39 PM. |
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03-11-2012
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#20 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: Next! Top End Touchup
BTW, piinhole count is now up to 3.
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