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JohnJL's Avatar
 
Join Date: Jan 2005
Location: Toronto, Ontario
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MegaSquirt Airbox Question and TBitz Tip

First the question...


I am following Bitz Racing's Megasquirt install manual (Thanks Tony!) and did all the steps on pages 17-20 where it very specifically described how the fuel distributor is removed and a 'block off place' installed. But the pics on page 36 (and the ones here: BITZ EFI pics ) clearly show that part of the airbox and assembly not installed in the final assembly.

Here are some other pics from this board showing that part of the airbox not installed. And there is no mention of cutting the airbox in the Bitz manual.

Anyone have more detailed instructions/pics on cutting the airbox and whether the air regulator assembly is needed?

Oh, here's the tip: You can remove the injector bungs very easily by tapping them out from the bottom with a brass drift and hammer. Only takes a few taps and they come right out. No need to dremel.

Here are the pics from flipper and tony with no sight of that regulator assembly...

Also, where do the AAR hoses connect to/from in an MS install?

Thanks all.

__________________
2007 911 Turbo - Not a toy
1985 911 Cab - Wife's toy
1982 911 3.2 Indiash Rot Track Supercharged track toy
1978 911 3.0 Lichtbau toy "Gretchen"
1971 911 Targa S backroad toy
Old 07-25-2005, 04:02 AM
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kenikh's Avatar
 
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How come you guys just don't graft on the stock airbox for that sleeper look?
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Old 07-27-2005, 04:02 PM
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my kits on the way ! I made a new aluminum airbox to save the original . also I will help you when I see what I get
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Old 07-28-2005, 09:39 AM
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Tony's kit is made to install without having to make any permanent changes. MOst people will never go back to CIS and therfore cut down their airbox. You do not have to remove the right side where the air metering plate is. It will give you much better access to the engine bay if you do.

Teh decision is up to you. If you want to cut it out, just follow the contour from the bottom above the passenger side runners. Then just cut off the top. Noah had a great post a while back showing his air box destruciton, err I mean how he cut it down.

I think Ben has the right idea of fabbing up a new one.
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Old 07-28-2005, 09:52 AM
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I seem to recall the pop off valve on the EFI system is no longer necessary. Looking clean though.
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Old 07-28-2005, 02:09 PM
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Re: MegaSquirt Airbox Question and TBitz Tip

Quote:
Originally posted by JohnJL
First the question...


I am following Bitz Racing's Megasquirt install manual (Thanks Tony!) and did all the steps on pages 17-20 where it very specifically described how the fuel distributor is removed and a 'block off place' installed. But the pics on page 36 (and the ones here: BITZ EFI pics ) clearly show that part of the airbox and assembly not installed in the final assembly.

Here are some other pics from this board showing that part of the airbox not installed. And there is no mention of cutting the airbox in the Bitz manual.

Anyone have more detailed instructions/pics on cutting the airbox and whether the air regulator assembly is needed?

Oh, here's the tip: You can remove the injector bungs very easily by tapping them out from the bottom with a brass drift and hammer. Only takes a few taps and they come right out. No need to dremel.

Here are the pics from flipper and tony with no sight of that regulator assembly...

Also, where do the AAR hoses connect to/from in an MS install?

Thanks all.

JohnJL,

As mentioned above the kit was designed to keep the CIS look and give you the option to go back to CIS (Highly unlikely event) after you've installed the kit.

So most folks that install the kit know from the start they will never go back to CIS, so anything that is non essential for EFI is removed. This means cutting up the airbox and getting rid of non essential CIS parts.

If you go for the "Clean look", then the AAR will require a small air filter at the intake. You can use one those oil breather filters. The other side of the AAR goes back the the airbox via the existing aluminium hose. You'll also need an air filter at the oil cap location, a cone type air filter, and a 90 degree rubber boot, and 90 degree metal hose to attach the cone filter. Check the gallery section on my web page for pictures.

Thanks for the "tip". I can't recall if the new EFI injector bungs will fit without the stakes ground away on the intake runners, though.

Cheers,
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'78 911SC with BITZRACING EFI conversion kit
Old 07-29-2005, 01:46 PM
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Thanks everyone.

Noah, it looks like you kept your plumbing inside the airbox intact? Mine came out...
__________________
2007 911 Turbo - Not a toy
1985 911 Cab - Wife's toy
1982 911 3.2 Indiash Rot Track Supercharged track toy
1978 911 3.0 Lichtbau toy "Gretchen"
1971 911 Targa S backroad toy
Old 07-30-2005, 11:13 PM
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Its a real beeeaaaaatttccchhh! Check out mine emerging...this is 3 hours into a 5 hour "operation."
__________________
2007 911 Turbo - Not a toy
1985 911 Cab - Wife's toy
1982 911 3.2 Indiash Rot Track Supercharged track toy
1978 911 3.0 Lichtbau toy "Gretchen"
1971 911 Targa S backroad toy
Old 07-31-2005, 11:48 PM
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pic

Alien...

__________________
2007 911 Turbo - Not a toy
1985 911 Cab - Wife's toy
1982 911 3.2 Indiash Rot Track Supercharged track toy
1978 911 3.0 Lichtbau toy "Gretchen"
1971 911 Targa S backroad toy
Old 07-31-2005, 11:50 PM
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