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I have 3/8'' spacers (I could make 2 more and have an all most 3/4'' spacer) for my 2.8 plenum on my 3.4L.
This is for the upper and lower part of the plenum not plenum to manifold.
2 reasons for them:
1, change the runner length for a higher torque and hp peak to work with the 2000-5000 power band of my crane 272 cam.
2, make room for the ajustable fuel pressure reg mounted to the fuel rail and a 4AN sharder valve tap for fuel psi gauge and nitrous oxide kit fuel supply.
The stock heads and intake are good from idel-4500 rpm's. The old 2.8L stoped pulling at about 4500 rpm's and draged @$$ at 5000 rpm's.
How many rpm's do you think it will get me?
What would be better for a cammed 3.4, 3/8'' or 3/4'' upper, lower plenum spacer?
The plentum spacers will go on my car with ported polished heads, ported intake manifold, plenum with polished runners and Modded fuel rail that I'm working on here in japan.
This is for the upper and lower part of the plenum not plenum to manifold.
2 reasons for them:
1, change the runner length for a higher torque and hp peak to work with the 2000-5000 power band of my crane 272 cam.
2, make room for the ajustable fuel pressure reg mounted to the fuel rail and a 4AN sharder valve tap for fuel psi gauge and nitrous oxide kit fuel supply.
The stock heads and intake are good from idel-4500 rpm's. The old 2.8L stoped pulling at about 4500 rpm's and draged @$$ at 5000 rpm's.
How many rpm's do you think it will get me?
What would be better for a cammed 3.4, 3/8'' or 3/4'' upper, lower plenum spacer?
The plentum spacers will go on my car with ported polished heads, ported intake manifold, plenum with polished runners and Modded fuel rail that I'm working on here in japan.
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