Does the extra displacement lower the RPM power range of the intake? 8000 rpm is higher than I plan on spinning a 347.I’ve been running a box r on a 347 for the last few years. It’s actually a great intake for street use.
You’ve kind got to take the rpm ratings with a grain of salt. To put it simply, yes, the larger engine tends to tame the rpm range somewhat. The engine size is just one thing that dictates this. You could technically put the intake on any 8.2 deck sbf so it could be anywhere from a 289 (or a 260 even) all the way to 363+ so it’s a pretty wide range.Does the extra displacement lower the RPM power range of the intake? 8000 rpm is higher than I plan on spinning a 347.
Yeah I have the 90mm. I actually had a 75mm on a sn95 that I had the intake on before and it ran good as well. You’d be surprised how much torque down low the box r will actually make.Are you running a 90mm throttle body? I have made up my mind on getting the kick ass looking Box R. Thank you to everyone for your feedback. I greatly appreciate it.
If you get some cheap k member spacers the intake will clear.I just checked out an old thread about hood clearance. I have a Cervini 2.5 cowl so I would need to get a 4 inch. I think I have to go with Holley Hi-Ram so I can clear. Sucks but Holley looks kick ass also
Who makes the spacers? I still have a stock K member. Holley lists on their web that hi ram fits under a Cervini 2.5.If you get some cheap k member spacers the intake will clear.
The hi ram will for sure not fit.
I’d believe you could make the side entrance upper work, but not the front entry. I’d guess the side entry Holley would involve either convertible motor mounts or k member spacers as well. There are a couple companies that make the spacers, maximum motorsports is one of them.Who makes the spacers? I still have a stock K member. Holley lists on their web that hi ram fits under a Cervini 2.5.
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