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Thread: The old CAI question

  1. #21
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    Quote Originally Posted by RedHeartbeat View Post
    Exh shop is going to squeeze the pipe down to a smaller size at every bend.
    I doubt that it'd be enough to hinder any more performance than the actual bend will. Remember the intake can only flow as much as the throttle body will let through. The ideal intake is should be as straight as possible.
    2000 GMC Sierra 5.3L 4x4 ECSB

  2. #22
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    Quote Originally Posted by conekiller01 View Post
    slightly off topic but i have a friend with a ricer and he artistically thought up the idea of having an exhaust shop bending him his own custom intake pipe? now it was only a 3in pipe but turned out clean and got it done for like 40 bucks minus like 2 clamps and a filter.......has anyone tried or thought to try to do this on our style trucks?

    ..kinda makes sense to me but what do i know lol....
    Jon is building mine...3.5" alum pipe. Should be done any time now......
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    99 GMC | 5.3 | Skinny White Guy Tuned

  3. #23
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    Quote Originally Posted by Toadz View Post
    I doubt that it'd be enough to hinder any more performance than the actual bend will. Remember the intake can only flow as much as the throttle body will let through. The ideal intake is should be as straight as possible.
    Okay, if thats the way you feel, go get a 4" pipe bent at an exhaust shop.. At the bend, it may cut it down to as small as 3". Just go get a 3" pipe and put it on there. It'll flow the same as the 4" with the 3" bend.

    I guess you want to tell me porting and polishing heads and throttle bodies does nothing too. Why does an ORY flow better than a stock Y? It's mandrel bent. No restriction.

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  4. #24
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    I still have a couple of UPD CAI for sale. $200 shipped with AFe air filter. See pics in the for sale section.
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  5. #25
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    Quote Originally Posted by pl4yboy View Post
    Okay, if thats the way you feel, go get a 4" pipe bent at an exhaust shop.. At the bend, it may cut it down to as small as 3". Just go get a 3" pipe and put it on there. It'll flow the same as the 4" with the 3" bend.

    I guess you want to tell me porting and polishing heads and throttle bodies does nothing too. Why does an ORY flow better than a stock Y? It's mandrel bent. No restriction.
    Yeah bro that was an absurd statement up above. Not trying to bust balls or anything. Any restriction to the tubing is going to be a detriment to performance, which is of course why you go through the trouble of installing an aftermarket cai in the first place. Same goes for the exhaust

  6. #26
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    Quote Originally Posted by Mang213 View Post
    Yeah bro that was an absurd statement up above. Not trying to bust balls or anything. Any restriction to the tubing is going to be a detriment to performance, which is of course why you go through the trouble of installing an aftermarket cai in the first place. Same goes for the exhaust
    You're missing my point though. You can put a 400" intake tube on there but the throttle body is the main restriction. If you're going to an exhaust shop to have a tube bent, wouldn't they be able to do mandrel bending?

    Porting can make or break an engine. You're comparing apples and oranges here. Also with porting, a smaller port can flow better than a larger port. Major apples and oranges there so I'm not sure why you even brought that up since we're talking about an intake tube.
    Last edited by Toadz; 10-08-2009 at 05:36 PM.
    2000 GMC Sierra 5.3L 4x4 ECSB

  7. #27
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    Quote Originally Posted by Toadz View Post
    You're missing my point though. You can put a 400" intake tube on there but the throttle body is the main restriction. If you're going to an exhaust shop to have a tube bent, wouldn't they be able to do mandrel bending?

    Porting can make or break an engine. You're comparing apples and oranges here. Also with porting, a smaller port can flow better than a larger port. Major apples and oranges there so I'm not sure why you even brought that up since we're talking about an intake tube.
    You're making a moot point regardless. Your TB might be able to allow more air than you'd be getting with an exhaust shop intake tube. So you, sir, are comparing apples to oranges. The point was that the opening and clearing of passages allows more airflow period. I guess we're just on different levels...

    1969 Chevy RCLB C10 350/TH400 SOLD
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  8. #28
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    Quote Originally Posted by Toadz View Post
    You're missing my point though. You can put a 400" intake tube on there but the throttle body is the main restriction. If you're going to an exhaust shop to have a tube bent, wouldn't they be able to do mandrel bending?

    Porting can make or break an engine. You're comparing apples and oranges here. Also with porting, a smaller port can flow better than a larger port. Major apples and oranges there so I'm not sure why you even brought that up since we're talking about an intake tube.
    well unfortunately, I didnt bring up porting. That was Pl4yboy. But regardless, I stand behind what he stated about porting, and all the rest of it, too. Ask any of these highly modded truck owners in here whether or not a direct and/or UNOBSTRUCTED airflow path through the engine matters. I suspect you may wind up on the receiving end of a resounding YES. Not trying to argue with you, but the proof is in the puddin. Thank you, and God bless America.

  9. #29
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    Quote Originally Posted by Mang213 View Post
    well unfortunately, I didnt bring up porting. That was Pl4yboy. But regardless, I stand behind what he stated about porting, and all the rest of it, too. Ask any of these highly modded truck owners in here whether or not a direct and/or UNOBSTRUCTED airflow path through the engine matters. I suspect you may wind up on the receiving end of a resounding YES. Not trying to argue with you, but the proof is in the puddin. Thank you, and God bless America.
    Thanks, glad someone has some smarts.

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


  10. #30
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    Quote Originally Posted by pl4yboy View Post
    You're making a moot point regardless. Your TB might be able to allow more air than you'd be getting with an exhaust shop intake tube. So you, sir, are comparing apples to oranges. The point was that the opening and clearing of passages allows more airflow period. I guess we're just on different levels...
    No, I believe we're on the same level but I think we completely misunderstood each other. Okay, so the point was that the opening and clearing of passages allows more airflow, period. Then I agree. Let's end it at that, haha.

    Quote Originally Posted by Mang213 View Post
    well unfortunately, I didnt bring up porting. That was Pl4yboy. But regardless, I stand behind what he stated about porting, and all the rest of it, too. Ask any of these highly modded truck owners in here whether or not a direct and/or UNOBSTRUCTED airflow path through the engine matters. I suspect you may wind up on the receiving end of a resounding YES. Not trying to argue with you, but the proof is in the puddin. Thank you, and God bless America.
    Sorry the porting comment wasn't directed towards you. What do you mean you stand behind what he stated about porting? He didn't really state anything about porting, I made more of a statement about porting than he did..so I'm a bit confused there.

    I wasn't trying to argue whether or not a direct and/ore unobstructed airflow path through the engine matters. Of course that matters. There are way too many variables though, as in how much the TB can flow, how much the intake, heads, exhaust, etc. can flow. Then there is the case of too big of an airflow. Like I said, I believe we completely misunderstood each other!
    2000 GMC Sierra 5.3L 4x4 ECSB

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