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Author Topic: Air filter cover fitment question.  (Read 1623 times)

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clegg

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    • CVO1: 2000 SERG, Black & Orange. 106 stroker, 585 S&S gear driven cams, SE billet cam plate w/ SE oil pump, 52mm S&S throttle body with closed loop VFI system, Vance & Hines 2 into 1. Headwork by Leo Hess at Full Blast Engineering.
Air filter cover fitment question.
« on: March 07, 2012, 04:44:46 PM »
As I sit here waiting for my 52mm S&S throttle body (as well as auto tune VFI module and autotune kit to replace my marelli system) to get here I am pondering a question. What will I need to mount my stock air filter cover back to my bike? I know the stock setup won't fit, and now I am told a Delphi setup won't fit either. Anyone know the scoop? I want to keep the bike looking right! (The same reason I am spending a fortune on this 106 build instead of blowing a marginaly larger sum for a S&S T111 engine new...)
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Smitty2u

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Re: Air filter cover fitment question.
« Reply #1 on: March 07, 2012, 07:09:13 PM »
I just went with a 58mm throttle body from the stock 50mm and my builder milled the opening on the stock intake to match the opening size on the new TB.  It can be done.   
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Twolanerider

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Re: Air filter cover fitment question.
« Reply #2 on: March 07, 2012, 07:14:59 PM »
Quote from: Smitty2u on March 07, 2012, 07:09:13 PM
I just went with a 58mm throttle body from the stock 50mm and my builder milled the opening on the stock intake to match the opening size on the new TB.  It can be done.    

His original Marelli throttle body and its air cleaner are entirely different beasts.  Not just a smaller round hole.  The hole isn't even round.  The Marelli T/B's were a dual throat unit with a rectangular face.
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Smitty2u

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Re: Air filter cover fitment question.
« Reply #3 on: March 07, 2012, 07:20:45 PM »
Quote from: Twolanerider on March 07, 2012, 07:14:59 PM
His original Marelli throttle body and its air cleaner are entirely different beasts.  Not just a smaller round hole.  The hole isn't even round.  The Marelli T/B's were a dual throat unit with a rectangular face.

My bad.... I should have read his original post a little closer.
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130TQ 124HP
TR Stage 2 Street Eliminator Pro-Touring Heads
TR-660-SM Cam
TTS Master Tuner
SE 10.5:1 forged pistons
4-5/8" stroke Se Pro Stroker Flywheel and rod Assembly, trued and welded by Revolution Performance
Cylinders 4.060 Bore
Timekin Bearing
SE 58mm TB
SE 5.3 grms/sec injectors
SE lifters,
SE rods
SE Clutch upgrade
V&H Power Dual headers with V&H Twin Slash Oval slipons.
Andrews 31T transmission sprocket
K&N air filter

wideglidejoe

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Re: Air filter cover fitment question.
« Reply #4 on: March 07, 2012, 07:52:34 PM »
What about modifying your stock backing plate, and still use the filter and front cover?  Mill an over-sized hole into your stock backing plate and attach a piece of a piece of .090 or .120 aluminum to your backing plate.  Mill the correct size opening into the aluminum plate. May have to do a little re-engineering to secure it. 

I haven't done this exact mod, but I've made a lot of brackets using .090 & .120 aluminum, with minimum garage tools, while working on street rods, 55-57 Chevy's, Cobra replica, etc.

Good luck!!
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clegg

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Re: Air filter cover fitment question.
« Reply #5 on: March 07, 2012, 08:39:39 PM »
It is starting to sound like fabrication will be the order of the day. I was hoping for a bolt on fix!
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Twolanerider

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Re: Air filter cover fitment question.
« Reply #6 on: March 07, 2012, 08:56:57 PM »
Does S&S not offer an air cleaner kit that mates to their throttle body (seems unlikely)?  Or do they just not offer an air cleaner that would allow to keep using the stock cover?
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clegg

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Re: Air filter cover fitment question.
« Reply #7 on: March 07, 2012, 09:23:00 PM »
The S&S mpunt used three screws around the perimeter instead of one big screw on the middle. May need to weld a piece onto the S&S unit and drill a hole in it. I just hate to mickey mouse...
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Twolanerider

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Re: Air filter cover fitment question.
« Reply #8 on: March 07, 2012, 09:24:36 PM »
Quote from: clegg on March 07, 2012, 09:23:00 PM
The S&S mpunt used three screws around the perimeter instead of one big screw on the middle. May need to weld a piece onto the S&S unit and drill a hole in it. I just hate to mickey mouse...

That's the old standard S&S mount that's been around for many many years.  At least they're consistent.  That's the kind of issue you hate discovering only after you're in to a project so d$$p.
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clegg

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    • CVO1: 2000 SERG, Black & Orange. 106 stroker, 585 S&S gear driven cams, SE billet cam plate w/ SE oil pump, 52mm S&S throttle body with closed loop VFI system, Vance & Hines 2 into 1. Headwork by Leo Hess at Full Blast Engineering.
Re: Air filter cover fitment question.
« Reply #9 on: March 08, 2012, 08:00:08 PM »
What? You mean there may be others who have felt and understand my "ballooning project cost" financial pain?  ;)
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