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i've been practicing my porting skills

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Old Jun 4, 2004 | 10:42 PM
  #1  
robertg's Avatar
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Joined: Jun 2001
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From: northeast ohio
Car: 2000 astro
Engine: 4.3
Transmission: A4
Axle/Gears: 7.5 with 3.42 gears
i've been practicing my porting skills

i'm working on a junk 993 casting.

how does this exhaust port look to you guys? i'm trying to get a feel for this before i cut on my 416 heads.

www.robertg.org/images/porting
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Old Jun 4, 2004 | 11:25 PM
  #2  
Sitting Bull's Avatar
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Joined: Jun 2001
Posts: 3,238
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From: Calgary, Alberta, Republic of Western Canada
Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
Looks like you have the hang of it
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Old Jun 4, 2004 | 11:42 PM
  #3  
THEGENERAL's Avatar
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Joined: Apr 2004
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From: Staunton,illinois
Car: 1966 impala , 1998 sebring vert,1978 buick regal turbo, 1991 chevy silverado 3/4ton 4x4 lifted
Engine: 283, 2.5,3.8 turbo 350
Transmission: powerglide,auto overdrive, th350,4L80
wow looks good to me man keep practiceing and you wont have a problem heck ill send mine to ya to do when you get good..LOL
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Old Jun 5, 2004 | 12:08 AM
  #4  
AM Racer's Avatar
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From: Northern Illinois
Work on the bulge from the guide.
Don't do too much to the port floor since it'll make the turn that much tighter.
Sides and top of the port are more important.
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Old Jun 5, 2004 | 06:31 AM
  #5  
Stekman's Avatar
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Joined: Jul 2003
Posts: 4,803
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From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Did you do the porting with the head bolted onto the stand? If so, thats what i did. Works pretty well, IMO.
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