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Joined: Jan 2004
Posts: 2,373
AZZKIKR
SHO - NUFF
AZZKIKR

SHO - NUFF
2003 Toyota Celica GT

Joined: Jan 2004
Posts: 2,373
ATL GA
Aug 19, 12:44pm - #254118 
Custom VALVE work!?

ok, I've been thinking about having my head ported, and putting in the catcams cams, and have recently found out that I can only use Intake cam due to the VVTI on my GT. I was thinking abouty it getting custom valves made to get some better airflow through my 1zz. I was thinking about going 2.02" on the Intake valves, and 1.65" on the exhaust, but I'm not sure there is enough room. What do you guys think? ANyone with any info or opinions is more than welcome to post

Joined: Jun 2004
Posts: 1,696
Polykarb
Metal Storm 2040
Polykarb

Metal Storm 2040
2000 Toyota Celica

Joined: Jun 2004
Posts: 1,696
Tampa, Florida
Aug 19, 12:46pm - #254119 
i haven't worked with camshafts, i cannot help. The port job should be good though thumbsup


FF TWINCAM BEAUTY: CELICA
Joined: Jan 2004
Posts: 2,373
AZZKIKR
SHO - NUFF
AZZKIKR

SHO - NUFF
2003 Toyota Celica GT

Joined: Jan 2004
Posts: 2,373
ATL GA
Aug 19, 12:48pm - #254120 
yeah, I'm just wondering how big I can make the valves and still have a functional head on my motor

Joined: Nov 2002
Posts: 396
Illusive
Member
Illusive
Member

Joined: Nov 2002
Posts: 396
Southern California
Aug 20, 12:40pm - #254121 
no one really knows, 2.02 is huge and i can tell you that wont fit, your talking about 2 inches in diameter.

the shop that you take your head to for work should know how far they can enlarge the valves safely and what kinda port work they can do to increase its flow.

gt head suffers the most from poor flow characteristics, and would benefit the most from a correctly done p&p.


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