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Hey guys, while Gene aka 92 SVX was over working on his interior wrap project I spotted a very nice and cost effective mod he had made to his car. A low cost cold air intake (CAI) made from off the shelf parts found at your local parts store. I believe the total cost is around $75??
I have now dubbed his intake the "GDIY" (pronounced Gee-dee) mod I am hoping I can encourage him to do up a "how too" with at least the part numbers needed to copy his work.... ![]() Here ya go Gene.. your very own mod. You deserve it because its simple, cost effective and a classic case of hot rodder ingenuity. C'mon Gene!
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2010 Subaru WRX 1992 SVX LS-L 89k miles-SOLD! KTM 250sx MX bike aka "Killer Pumpkin" Last edited by Bonestock; 02-11-2011 at 07:11 PM. |
#2
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Re: Gene's DIY CAI thread
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#3
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Re: Gene's DIY CAI thread
Ok Here it goes.
First I started by cutting out the Accordion section of the stock tube, for 2 reasons first it allows lots of movement, and second using smooth walled tubing should help air flow. I cut it as close to the idle control nipple as I could and still put a silicon coupler on you can cut it with a hacksaw. I think I used tin snips. I used a 3" silicon coupler from oreilly's. Part # 8771 ![]() Then into that goes a 22 degree bend part #8728 ![]() at $11.99. This will connect to a 4" straight piece part #8708 using the clamps that come with all these pieces $8.99 ![]() Which then connects to a 45 degree bend ![]() Part #8738 $11.99. Using the second of the silicon couplers this attaches to the stock MAF again needing some heat to fit. Then maf adapter part number #81413 $13.99 ![]() Discarding the plastic piece as it is for a smaller diameter piping. You will need to line up the inside and drill new holes to fit your maf. Then the maf adapter couples to the 90 degree bend part #8698 $10.99 ![]() Then that attaches to a 6" straight part #8718 $9.99 ![]() Then put your filter on the end. I had a filter so that was not included in the price but if you need one part #8136 ![]() cost $24.99 With out the filter it was $91.99 A little higher then my initial estimate. That is what I did as I pieced them one at a time if you want you can get the short ram part # 8208 for $39.99 ![]() comes with one coupler and 2 4" and the 45 bend which means you would only need the 22 bend the 90 and 2 couplers. You do need a straight piece inside the fender but the 4" may be enough I had the 6" so that is what I used. Using the Short Ram without filter its $78.95 ![]() Last edited by 92 SVX; 02-03-2011 at 10:38 AM. |
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Re: Gene's DIY CAI thread
I also went and did the crank case breather mod.
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Re: Gene's DIY CAI thread
Nice, great write up Gene!
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2010 Subaru WRX 1992 SVX LS-L 89k miles-SOLD! KTM 250sx MX bike aka "Killer Pumpkin" |
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Re: Gene's DIY CAI thread
I wonder if this is a direct fit to our stock MAF?
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2010 Subaru WRX 1992 SVX LS-L 89k miles-SOLD! KTM 250sx MX bike aka "Killer Pumpkin" |
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Re: Gene's DIY CAI thread
I have been looking on ebay for any CAi's that look as though they have a similar layout to the SVX.
Back in my Fiero days, it was discovered that a CRX CAI was a direct fit on a Fiero V6.
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2010 Subaru WRX 1992 SVX LS-L 89k miles-SOLD! KTM 250sx MX bike aka "Killer Pumpkin" |
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Re: Gene's DIY CAI thread
Looks good gene. What's the purpose of the tube on either side of the maf? just a bypass?
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#9
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Re: Gene's DIY CAI thread
Yes a bypass, I read on here a member did that because the stock maf is the limiter this will allow some unmetered air at wot supposed to give a small boost in power. I thought it isnt hurting why not.
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Re: Gene's DIY CAI thread
I used a 94-97 Honda Accord Cold Air Intake off ebay on my 2001 impreza RS.
![]() I just sawed off that last bend on the end that I didn't need. ![]() ![]() Holding this pipe in my hand has me thinking... If I was to take it and flip it over.. would it .. maybe? ![]() hmmmm.. photochop says maybe... if my svx wasnt parked under a snowbank... Last edited by Lookin4SVX; 02-04-2011 at 05:16 PM. |
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Re: Gene's DIY CAI thread
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Without it you will be running way lean, at the lower RPMs. ![]()
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www.svxfiles.com The first SuperCharged SVX, ![]() the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway ![]() Fiberglass Hood thread My locker 4.44 Swap link |
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Re: Gene's DIY CAI thread
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__________________
2010 Subaru WRX 1992 SVX LS-L 89k miles-SOLD! KTM 250sx MX bike aka "Killer Pumpkin" |
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Re: Gene's DIY CAI thread
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The bypass has only been on 5-6 days I can just plug the holes. I am not running any higher pressure fuel at the moment. A mod I have been thinking about but not ready to get into. |
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Re: Gene's DIY CAI thread
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I was already running a higher pressure fuel pressure ratio regulator from an 2000 Legacy, (43.5 as I remember, compared to our stock 36.3 psi) and I "felt/tested" some improvement in accelleration! ![]() He, Mychailo came up with the bypass mod which worked in conjunction with the higher PSI FPR to make a flatter, better A/F ratio for more better power. ![]() This mod is probably better for the SVX people who cannot just buy a chip that adjusts the timing for evan better results!
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www.svxfiles.com The first SuperCharged SVX, ![]() the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway ![]() Fiberglass Hood thread My locker 4.44 Swap link |
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Re: Gene's DIY CAI thread
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