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Porting TFS

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Old Dec 23, 2000 | 12:26 PM
  #1  
BenIroc's Avatar
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From: Sweden
Porting TFS

Hi,is there anyone that has ported the TFS
G1 heads?
I´ve ported the intake and exhaust ports
matching them to a fel pro 1205 ( intake),
and to the headers( exhaust).And now I`m
pocket porting them, but the bowls are pretty
good already,the only thing I found to do a
major porting is the cast-in ridge in the intake. Then I will polish the exahust and the chanber.
What do you think?
Thanks.
Ben
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Old Dec 23, 2000 | 06:44 PM
  #2  
BenIroc's Avatar
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From: Sweden
Any comments guys?
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Old Dec 24, 2000 | 08:30 PM
  #3  
MikeH's Avatar
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From: Fla
Car: 90 IROC
Engine: 406
Transmission: GMPP 93/4L60
Axle/Gears: 9 bolt 3.27
Sounds like you have solid plan. IM in the process of porting mine also. I have the 23* Trick flows,IM just blending the valve seat into the bowl. I dont have the patience to do anymore. I thought I was going to crap my pants when I was drilling the steam holes. Its pretty tight between the chambers. I didnt hit a water jacket so all went well.

I should be getting my chip from ED wright soon. I hope to have my new motor in sometime in January. Good luck with the heads!

------------------
Black 90 IROC, L98, A4, 323 gear. SuperRamed 406 in the works!
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Old Dec 25, 2000 | 10:16 AM
  #4  
BenIroc's Avatar
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From: Sweden
Yes I think it is a good plan. The only thing
I`m not so sure about is how much you should
blend the valve seat into the bowl, this heads seem to be pretty good there.
Any one who knows this?
Thanks.
Ben
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