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#155690 - 02/26/05 11:22 PM need a snorkel
countryracer Offline
New Boot

Registered: 02/25/05
Posts: 10
heres my problem, im tryin to make a snorkel for my rig, its a 75 chevy 3/4 ton 4x4... i know how im goanna do it but one part stops me every way i look at it....connecting it to the engine i found a kit from k&n but its for smaller engines or low reving v6's and v8's....any ideas
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1975 Chevy 3/4 ton 4x4, 35x14.5in superswampers TSL Radials

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#155691 - 03/07/05 12:55 PM Re: need a snorkel [Re: countryracer]
JLowe Offline
New Boot

Registered: 03/04/05
Posts: 13
Loc: Abilene, TX
What engine do you have? 2 bbl or 4 bbl carb? CFM? How much power are you turning out roughly? How much do you want to put out? Sorry for all the questions, but it might help me and others help you. Hope I can I help.


Edited by JLowe (03/07/05 12:56 PM)
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2003 Jeep TJ-2.4L I4 w/ minor upgrades, NV1500, 31x10.50 BFG AT

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#155692 - 03/11/05 03:05 PM Re: need a snorkel [Re: JLowe]
countryracer Offline
New Boot

Registered: 02/25/05
Posts: 10
sorry for the lack of info..... well its a 350cui. 4bbl edelbrock 650cfm(soon to be a 750 off-road) edelbrock intake(soon to be an air-gap), the engine is modified with cam, stronger bottom end and a rough guess i honestly couldnt give you, but its more than strong(white smokes the 35's on the rear! im not too worried about makin more power, but more is always good. I found a plenum from k&n but i found out all their stuff wont flow enough for my app. Even if its only good for off road and not highway its fine, i can always switch back when not trailing for a while. As i said before its the connection too the carb. that satops me dead in my tracks, im trying to avoid having to make a custom piece(easy but im just bein lazy). A single would be fine(3 or 4 inch i guess) but dual would be cool.
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1975 Chevy 3/4 ton 4x4, 35x14.5in superswampers TSL Radials

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#155693 - 03/13/05 09:27 AM Re: need a snorkel [Re: countryracer]
JLowe Offline
New Boot

Registered: 03/04/05
Posts: 13
Loc: Abilene, TX
What you could do is get one of those cheap chrome air cleaners they have at auto parts stores. the big ones. I think they're 18". Then you can go to a Hardware store or a plumber and get a short section of 18" sewer line. Maybe 6 iinches if your hood will clear it. Then you could use a 3" or 4" hole saw on the sewer pipe on each side. Then grab the correct size of PVC pipe. Thread the pipe up about 2" on one end. Get four PVC nuts and insert the pipes into the big sewer pipe. Route it as needed using the least restrictive elbows you can find and then cap it off with a couple of K&N's. Make sure you use a precharger bag on the K&N's or water wil deteriorate them quickly and i mean quickly. If you use the K&N oil on the precharger bag it will protect them even better. Also make sure you clean the pipe out. Plastic dust is bad. Hope this helps. Estimated cost is under 100$ if you don't paint it.
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2003 Jeep TJ-2.4L I4 w/ minor upgrades, NV1500, 31x10.50 BFG AT

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#155694 - 03/14/05 02:28 AM Re: need a snorkel [Re: JLowe]
countryracer Offline
New Boot

Registered: 02/25/05
Posts: 10
the 18inch air cleaner yer talkin about, is it the open type where the air filter is exposed all around or does it seal, and have an have a small opening(like most older e-f-i vehicles? What gauge of sewer pipe? The sewer pipe yer talkin about is basically a big round pipe usually pretty thin? If yeah then i think i got a pretty good idea on what you mean, and ill give it a try, for the k&n's you mean cone type filters or just one big round filter(for carb'd apps.)........well thanks for the info and ideas and ill give it a try and let you know how it works

~thanks~
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1975 Chevy 3/4 ton 4x4, 35x14.5in superswampers TSL Radials

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#155695 - 03/17/05 03:03 PM Re: need a snorkel [Re: countryracer]
JLowe Offline
New Boot

Registered: 03/04/05
Posts: 13
Loc: Abilene, TX
I'm talking the big chrome or aluminum open face cleaner. The sewer pipe should just barely fit in it. then you could put a cone style on the tubes or a proper height round style in the cleaner dish. Also I forgot to say to RTV around the edges of the air cleaner before the sewer pipe is in there so you can get a good seal. Any grade of sewer pipe will work. It's not going to be seeing any impact. If you put on a round style filter you can put screen on the tube ends to prevent leaves and stuff from getting sucked in. Hope this helps.
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2003 Jeep TJ-2.4L I4 w/ minor upgrades, NV1500, 31x10.50 BFG AT

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#155696 - 03/17/05 08:06 PM Re: need a snorkel [Re: JLowe]
countryracer Offline
New Boot

Registered: 02/25/05
Posts: 10
Thanks, ill keep you posted
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1975 Chevy 3/4 ton 4x4, 35x14.5in superswampers TSL Radials

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#155697 - 06/27/05 05:14 PM Re: need a snorkel [Re: countryracer]
Chevy_Muscle Offline
Gang Member

Registered: 06/24/05
Posts: 19
Loc: Murphy, TX
I'm going to guess that the longer you make this intake tubing for your snorkle

and/or

the more restrictive to flow (narower the pipe).....


it will adversley affect your top end power. However, it shouldn't hurt your low-end torque too much depending on how restrictive it is.

As far as your engine goes.... how big your cam is will be the determining factor on how well this thing will run at lower RPMs and a long intake snorkel. If you have a big/long duration cam, you may have performance problems with this setup.
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'03 YZ250 '04 TTR-125K (Wife's) '03 TTR-125LE (Daughter's) '03 KX-65 (Son's) 06 K2500 HD CC 4x4 Chevy 69 K5 Blazer 97 K1500 Suburban 89 IROC-Z 57 Chevy Bel Air 2dr HT

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#548254 - 12/20/12 10:03 AM Re: need a snorkel [Re: Chevy_Muscle]
ceshiwuhao Offline
New Member

Registered: 12/20/12
Posts: 3
As far as your engine goes.... how big your cam is will be the determining factor on how well this thing will run at lower RPMs and a long intake snorkel. If you have a big/long duration cam, you may have performance problems with this setup



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