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SB Professional Products Intake #157977
11/28/08 10:45 AM
11/28/08 10:45 AM
Joined: Nov 2006
Posts: 319
Northern Va
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Mopar73340 Offline OP
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Wondering if anyone is using the Professional Products SB intake manifold #55026 has had any negative or positive experience with performance or fit and finish? I can't run the edelbock or other magnum style dual plane intakes as the water outlet will interfere with my A/C compressor so this manifold looks to be the best solution. Thanks

Re: SB Professional Products Intake [Re: Mopar73340] #157978
11/28/08 11:23 AM
11/28/08 11:23 AM
Joined: Apr 2004
Posts: 1,396
Mass
dgc333 Offline
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I have been running one on my 360 for the past 25k miles. I have no complaints about at all. I can't make a comparison to anything since I built the engine with this intake.

The folks that have actually taken the time to make some measurements say the intake has slightly smaller runners than an Air-Gap so it likely gives up a little on the top end and picks up some on the bottom end. I have also seen a couple of engine builds (sb Chevy) that they made 450 HP using that manifold so it's no slouch by any means. My engine is making ~ 370 HP with this intake.



Dave Clement Pembroke, MA 03 PT Cruiser GT Turbo 99 Dakota SLT+ CC 4x4 68 Barracuda sport coupe http://home.comcast.net/~dgc333/
Re: SB Professional Products Intake [Re: Mopar73340] #157979
11/28/08 11:26 AM
11/28/08 11:26 AM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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RapidRobert Offline
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these "crosswind" intakes are made in China & I understand the early ones had severe quality/fit problems but that has been corrected. I have not used one myself but was considering it as the price is right & the only reason I didn't is I decided to redrill my magnum heads & use my current intake that would be a better fit with it's 318 sized ports since the crosswind has 340/360 intake port size & I want a perfect match.


live every 24 hour block of time like it's your last day on earth
Re: SB Professional Products Intake [Re: RapidRobert] #157980
11/28/08 11:36 AM
11/28/08 11:36 AM
Joined: Apr 2004
Posts: 1,396
Mass
dgc333 Offline
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Mass
Magnum heads are the same regardless of whether they came from a 5.2 or 5.9 and are the 340/360 size so the CrossWind would have the correct size ports.

I went with the CrossWind because it has mounting provisions for both the LA and magnum heads and I wanted the option of using either head. I wound up going with the magnum heads.


Dave Clement Pembroke, MA 03 PT Cruiser GT Turbo 99 Dakota SLT+ CC 4x4 68 Barracuda sport coupe http://home.comcast.net/~dgc333/
Re: SB Professional Products Intake [Re: dgc333] #157981
11/28/08 11:47 AM
11/28/08 11:47 AM
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Lincoln Nebraska
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RapidRobert Offline
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Quote:

Magnum heads are the same regardless of whether they came from a 5.2 or 5.9 and are the 340/360 size so the CrossWind would have the correct size ports.


My mag heads have smaller ports that match the 318 port size on my holley street dominator intake & are much smaller than the port openings on the 360 587 & 974 heads that I have laying around. Other wise I would have grabbed one as they're on eGay regularly for ~$185 or so which ain't bad. Unless I'm missing something here


live every 24 hour block of time like it's your last day on earth
Re: SB Professional Products Intake [Re: RapidRobert] #157982
11/28/08 11:57 AM
11/28/08 11:57 AM
Joined: Jan 2003
Posts: 1,263
Southwestern Ontario Canada
racealittle Offline
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Southwestern Ontario Canada
I bought a polished one used for cheap, and it seems to be a good fit. There are minor casting flaws that require attention to be eyecandy perfect. These could have been easily dealt with by the manufacturer before shipping. They didn't seem to bother the previous owner.


Too many cars, too many parts, too little coin, too little space to work in, too little time left to make it all happen! Update: down to one ride, still too many parts, a little more jingle in the pocket, gaining space, and it's going to happen this year!
Re: SB Professional Products Intake [Re: RapidRobert] #157983
11/29/08 09:49 AM
11/29/08 09:49 AM
Joined: Apr 2004
Posts: 1,396
Mass
dgc333 Offline
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Mass
Quote:

Quote:

Magnum heads are the same regardless of whether they came from a 5.2 or 5.9 and are the 340/360 size so the CrossWind would have the correct size ports.


My mag heads have smaller ports that match the 318 port size on my holley street dominator intake & are much smaller than the port openings on the 360 587 & 974 heads that I have laying around. Other wise I would have grabbed one as they're on eGay regularly for ~$185 or so which ain't bad. Unless I'm missing something here




You have some sort of mongrel head. The magnum intake port is the same as the 340/360 open chamber heads. The difference (besides the closed chamber) is in the exhaust port.


Dave Clement Pembroke, MA 03 PT Cruiser GT Turbo 99 Dakota SLT+ CC 4x4 68 Barracuda sport coupe http://home.comcast.net/~dgc333/
Re: SB Professional Products Intake [Re: dgc333] #157984
11/29/08 01:05 PM
11/29/08 01:05 PM
Joined: Jan 2003
Posts: 1,482
Lake Orion, MI
goldduster318 Offline
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Lake Orion, MI
I had one on my 360...changed it out yesterday for the edelbrock air gap. I didn't really have any problems with it that were its problem, but I had an oil leak at the one end and figured i'd just put an edelbrock on it. If anybody wants one I have one I'd sell pretty cheap, just send me a PM (even has a 195 t-stat, heater tube and bypass fitting). I also took it off because people (mostly my Dad) were giving me crap about using Chinese knockoffs. Otherwise, its almost identical to the Edelbrock Air Gap.


'70 Duster 470hp 340/T56 Magnum/8 3/4 3.23 Sure-Grip
Re: SB Professional Products Intake [Re: goldduster318] #157985
11/29/08 03:00 PM
11/29/08 03:00 PM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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RapidRobert Offline
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Did your dad contribute anything toward your new purchase.


live every 24 hour block of time like it's your last day on earth
Re: SB Professional Products Intake [Re: RapidRobert] #157986
11/29/08 10:19 PM
11/29/08 10:19 PM
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Posts: 12,419
Kalispell Mt.
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HotRodDave Offline
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There is an article in the currant issue of Popular hot rodding that used that intake on a 318 and made 477HP.

I have an eddy air gap and have seen the two next to eachother. Probably cost a couple HP from casting quality but no real obvious differance. A bunch of people were haveing issues with various leaks and bad angles and such but have not heard those problems lately, mabey they fixed them. I chose to spend the extra on the eddy.


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: SB Professional Products Intake [Re: HotRodDave] #157987
11/30/08 08:14 AM
11/30/08 08:14 AM
Joined: Jan 2006
Posts: 8,162
USA
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360view Offline
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anyone have the approximate runner length and port cc's of this intake ?

Re: SB Professional Products Intake [Re: HotRodDave] #157988
11/30/08 10:47 AM
11/30/08 10:47 AM
Joined: Nov 2006
Posts: 319
Northern Va
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Mopar73340 Offline OP
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Mopar73340  Offline OP
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Joined: Nov 2006
Posts: 319
Northern Va
Quote:

There is an article in the currant issue of Popular hot rodding that used that intake on a 318 and made 477HP.

I have an eddy air gap and have seen the two next to eachother. Probably cost a couple HP from casting quality but no real obvious differance. A bunch of people were haveing issues with various leaks and bad angles and such but have not heard those problems lately, mabey they fixed them. I chose to spend the extra on the eddy.





Thanks for the replies. I would like to use the Eddie Air Gap also as that is what I am currently running, but I'm switching to Magnum heads and the Eddie Air Gap puts the thermostat on the pass side and it appears as though it will interfere with the A/C compressor

Re: SB Professional Products Intake [Re: Mopar73340] #157989
11/30/08 01:11 PM
11/30/08 01:11 PM
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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HotRodDave Offline
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Kalispell Mt.
If you already are useing an LA intake just have the intake bolt holes redrilled on your mag head in the LA bolt pattern. I made myself a jig and it works great and have done many heads with it. That is a lot cheaper than even the chinese manifold.


I am not causing global warming, I am just trying to hold off a impending Ice Age!









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