| [GMCnet] Intake Manifolds 455 and 403 [message #257401] |
Fri, 01 August 2014 00:09  |
John Brandstetter
Messages: 3
Registered: July 2014
Karma:
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Junior Member |
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I keep looking for info but it seems hit and miss.
Blocking Cross over is this a must and it also seems hit or miss some people say plugs come out and damage engine.
I have seen 3 types Air Gap, RPM and Tork. but no one seems to say what they do.
If you go to EFI is it better to have the Square mount and is that a reason to change intake?
1. Why change the manifold? (Weight is that only reason?)
2. Edelbrock 2151 why is this better or not better than stock
3. Rockwell seems expensive for the same thing as stock but lighter
4. Mondello (This on has no crossover)
5. Pro Comp Cheaper and looks like Mondello (crosswind)
6. Offenhauser Port O Sonic
Does anyone know anything about these or have ratings on them performance over stock etc.
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