93 RM air intake options - Chevy Impala SS Forum
 
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post #1 of 7 (permalink) Old 04-08-2014, 09:14 PM Thread Starter
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93 RM air intake options

Are there any more efficient or better air intake systems for the 1993 RM Sedan TBI?
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post #2 of 7 (permalink) Old 04-09-2014, 10:07 AM
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A search should garner a number of different configurations.

One is the Caddy hat, sewer pipe, and cone filter. Another is the dual snorkel, with a second intake tube assembly hooked to opposite side of the toaster. I do not think there is much else that would qualify for a cold air intake. to make room for the air cleaner for the Caddy hat/sewer pipe system, you can move the vapor canister under the wheelhouse extension with a bracket from a 94-96 vapor canister, that is located on the opposite side.

With enough money and imagination, you could probably find something different.

1991 OCC 461 (.030 over 454) BBC, 3.23 posi, flash to pass, drop spindles & springs, Impala rims, Hydroboost, Recaros, MOMO/wood SW w/QR, custom wood shift knob, Pioneer DEH P77DH
1992 OCC now with 5.7 tbi, DEH P77DH
For a parts list, check https://www.impalassforum.com/vBulle...ion-parts.html
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post #3 of 7 (permalink) Old 04-09-2014, 10:28 AM Thread Starter
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Do you know what Caddy hat fits on the 5.7 TBI? I've seen some at the JY recently. They are all FWD.
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post #4 of 7 (permalink) Old 04-09-2014, 08:21 PM
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Any of the ones that look like commas. Grab the rubber connector, the bolts that hold the TBI to the manifold, and the bent stud and nut. You need a 20 inch piece of 3 inch standard drain pipe, a 45 degree street elbow, and a filter that fits a 3 1/2 tube. If you can get an aluminum tube, you can use a filter for a smaller diameter tube. Make a two sided "box" from thin gauge sheet metal (aluminum or steel) to separate the filter from the heated part of the engine compartment, so it can draw air from behind the headlight and around the horns. Use a piece of rubber seal (part of a door seal will work) to seal against the hood.

1991 OCC 461 (.030 over 454) BBC, 3.23 posi, flash to pass, drop spindles & springs, Impala rims, Hydroboost, Recaros, MOMO/wood SW w/QR, custom wood shift knob, Pioneer DEH P77DH
1992 OCC now with 5.7 tbi, DEH P77DH
For a parts list, check https://www.impalassforum.com/vBulle...ion-parts.html
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post #5 of 7 (permalink) Old 05-03-2014, 06:06 PM
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Is a filter like this large enough for the 350?

http://amzn.com/B00062ZGO2

Anything seems better than the 1" tube that came factory, but what do you think?

Here's the alternative I guess:

http://amzn.com/B000BPWTKS


Quote:
Originally Posted by Fred Kiehl View Post
Any of the ones that look like commas. Grab the rubber connector, the bolts that hold the TBI to the manifold, and the bent stud and nut. You need a 20 inch piece of 3 inch standard drain pipe, a 45 degree street elbow, and a filter that fits a 3 1/2 tube. If you can get an aluminum tube, you can use a filter for a smaller diameter tube. Make a two sided "box" from thin gauge sheet metal (aluminum or steel) to separate the filter from the heated part of the engine compartment, so it can draw air from behind the headlight and around the horns. Use a piece of rubber seal (part of a door seal will work) to seal against the hood.

Longroof in the Driveway-- 1993 RMW:
SS Rims, Billsteins, CC625s, airlift 1000s, LT1 fans, air pump delete.

with a little company:
a '16 HRV and a Tundra
Gone: '96 Black SS & '95 RMW
Location--way down south
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post #6 of 7 (permalink) Old 05-03-2014, 09:01 PM
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The one I use is a dry filter on ebay: http://www.ebay.com/itm/321005004417...84.m1423.l2649

If I were to choose between the two you listed, I would pick the first one.

You do not have the room for a long filter like the second one, if you mount it where the vapor canister is, and put a box around the filter. I moved the vapor canister behind the wheelhouse extension with a canister bracket from a 94-96.

1991 OCC 461 (.030 over 454) BBC, 3.23 posi, flash to pass, drop spindles & springs, Impala rims, Hydroboost, Recaros, MOMO/wood SW w/QR, custom wood shift knob, Pioneer DEH P77DH
1992 OCC now with 5.7 tbi, DEH P77DH
For a parts list, check https://www.impalassforum.com/vBulle...ion-parts.html
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post #7 of 7 (permalink) Old 05-04-2014, 12:12 AM
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Quote:
Originally Posted by Fred Kiehl View Post
The one I use is a dry filter on ebay: http://www.ebay.com/itm/321005004417...84.m1423.l2649

If I were to choose between the two you listed, I would pick the first one.

You do not have the room for a long filter like the second one, if you mount it where the vapor canister is, and put a box around the filter. I moved the vapor canister behind the wheelhouse extension with a canister bracket from a 94-96.
Good idea on the canister move, and thanks for the eBay link. Looks good.

-Leland

Longroof in the Driveway-- 1993 RMW:
SS Rims, Billsteins, CC625s, airlift 1000s, LT1 fans, air pump delete.

with a little company:
a '16 HRV and a Tundra
Gone: '96 Black SS & '95 RMW
Location--way down south
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