[KamZL1]

I know a majority of people go with Kong for porting but I was wondering if anyone has experience with modern airflow dynamics, how it compares to the x port. Asking because I live in Houston and probably going to do porting when I do headers/pulley in the next few months. It would be much more convenient to get it done locally than to ship off IMO. All feedback appreciated,

Thanks,

[Z OH 6]

Jokerz is another option, they also do fantastic work.

[radz28]

Something I'd been thinking about (I think Alec, from LMP said a few videos ago), that on these max effort combinations, it really pushes these little blowers to a (possible) reliability point. I understand a 900-WHP 1740 build and longevity is different than a 700-WHP 1740 build and longevity (you obviously are going to be spinning the blower faster/harder for more air flow), but with all the material that has to be cut-out (I imagine around bearing plates and supports), how much the rotors may or may not move around in the case. I mean, the rotors probably don't wiggle much below their rated RPMs (by Eaton), but what about the bearing support just behind the snout? Or - what about the shaft-support area? Is there any real mechanical analysis done for these porting programs in these areas?Maybe it doesn't even matter.

Just thinking out loud...

I don't know if there's really an appreciable difference, at this level of porting, from anyone listed so far. I've read and watched great results from all of them. Had I gone a different path, I'd probably gone with any of those guys. While not as convenient, I've heard Synergy does good porting, too.

[Raisin Man]

Originally Posted by KamZL1

I know a majority of people go with Kong for porting but I was wondering if anyone has experience with modern airflow dynamics, how it compares to the x port. Asking because I live in Houston and probably going to do porting when I do headers/pulley in the next few months. It would be much more convenient to get it done locally than to ship off IMO. All feedback appreciated,

Thanks,

Why don’t you check out Katech? I know nothing about Kong, but Katech has actually built quite a few engines that have won in both IMSA & Trans Am competition. The other guys, not so much. Might pay a bit more for the quality reliability.

[Z OH 6]

Originally Posted by Raisin Man

Why don’t you check out Katech? I know nothing about Kong, but Katech has actually built quite a few engines that have won in both IMSA & Trans Am competition. The other guys, not so much. Might pay a bit more for the quality reliability.

Nothing wrong with Katech but the others mentioned here also have very good reputations.

[CW3SF]

Originally Posted by radz28

Something I'd been thinking about (I think Alec, from LMP said a few videos ago), that on these max effort combinations, it really pushes these little blowers to a (possible) reliability point. I understand a 900-WHP 1740 build and longevity is different than a 700-WHP 1740 build and longevity (you obviously are going to be spinning the blower faster/harder for more air flow), but with all the material that has to be cut-out (I imagine around bearing plates and supports), how much the rotors may or may not move around in the case. I mean, the rotors probably don't wiggle much below their rated RPMs (by Eaton), but what about the bearing support just behind the snout? Or - what about the shaft-support area? Is there any real mechanical analysis done for these porting programs in these areas?Maybe it doesn't even matter.

Just thinking out loud...

I don't know if there's really an appreciable difference, at this level of porting, from anyone listed so far. I've read and watched great results from all of them. Had I gone a different path, I'd probably gone with any of those guys. While not as convenient, I've heard Synergy does good porting, too.

I would agree regarding those who pulley and spin them harder. That’s why my build is stock pulleys. I don’t think it’s a good idea to spin the 1.7 harder.

[JSH]

Originally Posted by CW3SF

I don’t think it’s a good idea to spin the 1.7 harder.

HPE increased rpms by going to a 10% lower, and CAP decreased rpm by going to a 2.40" [or 2.45"?] upper, so, in summary, mine is probably spinning a little faster than stock.

[ZapperZ]

Really like Kong CNC
103mm throttle body,Big Gulp,2"headers,AWE exhaust and a good tune
Excellent formula for a track car
NO pulley change

[KamZL1]

Originally Posted by ZapperZ

Really like Kong CNC
103mm throttle body,Big Gulp,2"headers,AWE exhaust and a good tune
Excellent formula for a track car
NO pulley change

yeah this is what I want to do but a pulley as well because more than likely it will never see a track. also I think standard rf is fine until you really start getting up there..

[Katech_Zach]

Depends on your combination. We have had good results with a few blower porters including our own. It all depends on your combination. A max effort port is meant to be spun to death, you wont utilize its additional airflow unless you death spin it. A generic ported blower works well with relatively stock or mild modifications. Max effort ports may even hurt mildly modified cars until you add a giant cam, "death pulleys", etc.

Same thing with any part of the engine (using a giant cam with tiny heads, large port heads with a tiny cam, etc). You need to think about the combination, and not just the blower.

[Z OH 6]

Originally Posted by Katech_Zach

Depends on your combination. We have had good results with a few blower porters including our own. It all depends on your combination. A max effort port is meant to be spun to death, you wont utilize its additional airflow unless you death spin it. A generic ported blower works well with relatively stock or mild modifications. Max effort ports may even hurt mildly modified cars until you add a giant cam, "death pulleys", etc.

Same thing with any part of the engine (using a giant cam with tiny heads, large port heads with a tiny cam, etc). You need to think about the combination, and not just the blower.

Basically what I was told by Vengeance Racing as well when asking about the Kong X port.

[KamZL1]

Originally Posted by Z OH 6

Basically what I was told by Vengeance Racing as well when asking about the Kong X port.

really so x port really isn't worth until you address fueling in a serious way (dsx & cam/injectors) better off getting standard port for headers/pulley staying at or under 700?

[radz28]

Late Model Performance's Kong X-Port on a completely stock CT5-V:


Complete Street Performance's standard Kong Port on a ZL1 that had a tune and then added/tuned for the blower:


It might depend on what you think is good value. Maybe another 10-15-WHP is worth $500 to some - maybe not.

[AZIROC]

Originally Posted by Z OH 6

Basically what I was told by Vengeance Racing as well when asking about the Kong X port.

+1 when I just called Kong. I'm not looking to do a max effort build, just basic bolt ons ( no cam/heads) but was going to do a pulley. They said a reg port would be fine but an x port wouldn't be worth it as im not trying to spin the blower that hard.