New TPI porting project for AFR heads.
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Junior Member
Joined: Jul 2005
Posts: 84
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From: Iowa
Car: '97 GTP
Engine: 385 sbc, 3.8 Supercharged L67 V6
New TPI porting project for AFR heads.
I put up a few pics of a stock TPI base and plenum I'm porting for a member of TGO. Porting the base for a pair of AFR L98 195's. The plenum is ported for AS&M runners. Take a look!
This suckers gonna flow!
LINK>>> https://www.thirdgen.org/forums/album.php?albumid=4181
This suckers gonna flow!
LINK>>> https://www.thirdgen.org/forums/album.php?albumid=4181
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Joined: Sep 2003
Posts: 6,859
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: New TPI porting project for AFR heads.
Very nice work. The results should be very interesting. It just so happens I have a long tube runner TPI project with the runner CSA being 60% larger than stock.
Thread Starter
Junior Member
Joined: Jul 2005
Posts: 84
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From: Iowa
Car: '97 GTP
Engine: 385 sbc, 3.8 Supercharged L67 V6
Re: New TPI porting project for AFR heads.
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iTrader: (3)
Joined: Sep 2003
Posts: 6,859
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: New TPI porting project for AFR heads.
"Do you have any pictures I could see?"
Not at the moment. I am considering starting a new thread as I am making my own runners. I will be using the factory plenum and an Accel TPI base.
Not at the moment. I am considering starting a new thread as I am making my own runners. I will be using the factory plenum and an Accel TPI base.
Senior Member
iTrader: (3)
Joined: Aug 2007
Posts: 744
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From: sf bayarea
Car: 91 z28
Engine: 350/ported accel tpi/AFR 195
Transmission: t-5 =(
Axle/Gears: 345
Re: New TPI porting project for AFR heads.
glad to know that there is some good people on this forum who can do good work.
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: New TPI porting project for AFR heads.
Looks great, i didnt think the stock base could be opened up that large?
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Joined: Nov 2010
Posts: 30
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From: El Paso, Tx
Car: 1992 Camaro
Engine: 1992 TPI 350
Transmission: 700R4
Axle/Gears: 1992 stock 3.23
Supreme Member
Joined: Feb 2006
Posts: 1,777
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From: Sanctuary state
Car: 67 ******mobile
Engine: 385 Solid roller
Transmission: T-56
Axle/Gears: 4.11
Re: New TPI porting project for AFR heads.
Lot of work there, any plans on flowing it with the head to see how its keeping up?
Easy to get a few dozen hours into one of those.
Easy to get a few dozen hours into one of those.
Re: New TPI porting project for AFR heads.
Don't rule out Bullet or Crower cams either. Both great companies.
Don't get too wrapped in flow, more is not automatically better. Put it together right, and don't base it all on flow.
Good luck.
Junior Member

Joined: Nov 2010
Posts: 30
Likes: 0
From: El Paso, Tx
Car: 1992 Camaro
Engine: 1992 TPI 350
Transmission: 700R4
Axle/Gears: 1992 stock 3.23
Re: New TPI porting project for AFR heads.
Oh, I will be running NOS at the drag strip
Thread Starter
Junior Member
Joined: Jul 2005
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From: Iowa
Car: '97 GTP
Engine: 385 sbc, 3.8 Supercharged L67 V6
Re: New TPI porting project for AFR heads.
Amen!!!
Re: New TPI porting project for AFR heads.
Dont know to much about Crower and Bullet cams. I know Comp cams have proven emission legal EFI cams so its a easier choice. But I will take suggestions if you have any. I'm just trying to build one hell of a TPI 3RD GEN Camaro!!
Oh, I will be running NOS at the drag strip
Oh, I will be running NOS at the drag strip
Last edited by InjectorsPlus; Jan 22, 2011 at 08:46 AM.
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