"Tim Althoff" <yllwdkta@insight.rr.com> wrote:
: the filter part number is RE-3130. the dimensions of the cone filter is
: 4.5" (large end) 3.5" (small end) and 7" long. according to Bernds
: calculation spreadsheet the CFM rating for the filter is 528 CFM's. This is
: going on a 3.9 with some nice mods...opened V8 TB, opened intake manifold
: and exhaust. according to bend's spreadsheet the motor needs 396 CFM's but
: wasn't sure what the needs are now that the motor is modified...
Tim,
Assuming your power peak is still at the stock 4800 RPM, your motor
needs about 55 sq. in. of filter according to K&N. The filter you listed
has about 78.5 sq. in. (Should flow about 473 cfm given that K&N material
is supposed to flow 6.03 cfm per sq. in.; though K&N doesn't specify at
what vacuum level that flow rate occurs... Zero?)
---Jon-
.---- Jon Steiger ------ jon@dakota-truck.net or jon@jonsteiger.com -----. | I'm the: AOPA, DoD, EAA, NMA, NRA, SPA, USUA. Rec & UL Pilot - SEL | | '70 Barracuda, '92 Ram 4x4, '96 Dakota, '96 Intruder 1400, '96 FireFly | `----------------------------------------- http://www.jonsteiger.com ----'
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