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porting
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porting and decking heads for more HP worth it?
I have a cammed VE SS with a L77 with cathedral port heads making 354kw (475hp) and am trying to think of ways to squeeze a bit more power out of it. Wondering what you guys think about switching to rectangle port heads and getting them ported and decked like 0.030" I think. So I would have to...- Jimbosa
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- cathedral decking heads l77 porting rectangle port
- Replies: 14
- Forum: V8 Development and Modification
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G
Question on Polishing inside of Plenum and Intake Manifold (Runners) on 3.8 Ecotec
So I am planning to Polish the inside of my Plenum chamber and Intake manifold (Runners) on my 3.8L Ecotec engine. I am going to accomplish this with some wire wheel's (with extended shaft) and a rotary tool. My question is; when I go to do the inside of my runners, do I do the complete inside...- Gabster118
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- 3.8 ecotec intake manifold plenum chamber polishing porting
- Replies: 3
- Forum: VT - VX Holden Commodore (1997 - 2002)
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l67 wat to do?
Hey guys just got a 2nd hand low km l67 to put in my vs. The plan is to leave it out for six months whilst i build it up to be a super 6.Im thinking so far is heavily ported and polished heads with new valves ,springs ect. Water to air intercooler.yellaterra snout upgrade with 12psi pulley.And...- Beny
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- boost upgrade l67 porting water to air
- Replies: 19
- Forum: VR - VS Holden Commodore (1993 - 1997)