Engine Gurus please step inside
Outstanding HDF Member
Joined: Feb 2009
Posts: 2,005
Likes: 53
From: ID Ho
I guess I'm not phrasing my question correctly so I'll try again.
I plan on a 103 upgrade from one builder using all the matching parts from one vendor.
I'm interested in low end power not high end power and will have a cam that will achieve that.
My exhaust is somewhat restricted so it doesn't flow as well as most after market.
I'm having head work done to match the 103 kit.
My question only has to do whether to include larger valves in the head work. I've gotten two different answers from two different builders, so 'm asking here for any opinions. So far I've gotten a lot of good advice but no one has offered an opinion on the valve question or I'm just not seeing it.
I plan on a 103 upgrade from one builder using all the matching parts from one vendor.
I'm interested in low end power not high end power and will have a cam that will achieve that.
My exhaust is somewhat restricted so it doesn't flow as well as most after market.
I'm having head work done to match the 103 kit.
My question only has to do whether to include larger valves in the head work. I've gotten two different answers from two different builders, so 'm asking here for any opinions. So far I've gotten a lot of good advice but no one has offered an opinion on the valve question or I'm just not seeing it.
Pick a builder
Choose what the builder recommends. Builders have favorite setups for just about everything. They have played with the mix (and screwed up bunches) to get the max out of the budget and performance you want.
But I expect the builder will want you to look at your intake/exhaust to complement the great work he will do.
So - if your spending your hard earned $$$$$ with a builder - then go whole hog and trust what he has in his 'WOW' bag.
...gene
But I expect the builder will want you to look at your intake/exhaust to complement the great work he will do.
So - if your spending your hard earned $$$$$ with a builder - then go whole hog and trust what he has in his 'WOW' bag.
...gene
Road Warrior
Joined: Mar 2008
Posts: 1,783
Likes: 10
From: Oh
Based on what you have said, think about using your stock valves and just recutting valve seats and valves to a more radius profile to allow the heads to flow better. This along with port and polish should allow a better flow in the heads.
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