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airfilters
AIR FILTERS
By Ed Young:
> The Wix 46005 filter crosses to a K&N 33-2522, which measures: 16.75 " in length, and 5 & 5/16" in width.
The K&N 33-2011 is cataloged by K&N for Jaguar and measures: 16.5" in length, and 5.75" in width.
Not a huge difference. Anybody feel like measuring their filter and letting the rest of us know which filter to use? Just changed mine and don't want to deal with it for a while........ <
Having (almost) caught up with the Lotus mail, I have measured the two filters sitting in my parts cabinet for the Esprit:
Coopers AG487 (which was in the car when I bought it): 5 3/8" wide x 16 3/4" long
AC PC414 (with all the spare parts I got from the PO. never used): 5 1/4" wide x 16 1/2" long
FYI, currently installed in my '88 is a TR7 filter, UNIPART # GFE 1095, bought from Moss Motors (a large BritPart supplier), stock # 071-106. Current price USD $14.95
All filters looked to have the same number of paper pleats.
Atwell Haines
'88 Esprit
By the way, K&N's and similar filters are freer flowing and help increase top end power... at the expense of low end torque. Torque is something a stock 907 doesn't have in abundance. The volume of the air box and the air trunking between it and the front of the car make up part of the total induction path length. When you install open filters, the induction path length is shortened drastically. In loose terms, a longer length works better at a lower rpm and a shorter
length works better at higher rpm.
The best solution would be a K&N element inside an airbox. Either a direct replacement for the OEM filter element, or a larger airbox capable of enveloping the usual individual K&N oval filters. That would give better breathing, retain the longer induction path and provide cool induction air.
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From: "Mark Belchamber"
Subject: Air filters
O.K. I've just gone and fitted some replacement K & N air filters on my Eclat - so any of you needing the number, here is EXACTLY what the label on the box says.....
Part No. 56-1350
Desc. SDO 7x4-=BD Oval 3-=BC H
U/M : EA
Please note - these are NEW replacement filters (2 x oval, 1 per carb) - NOT the replica of the filter that goes inside the standard air box. I hope this helps someone ! (Feel free to write if you need more info.)
Mark

 

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