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Old 12-25-2012, 05:39 PM   #26
Skylane765
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Quote:
Originally Posted by JWR046 View Post
good point. I am definitely getting a no tune CAI. I will probably get a pully but do not want to tune the car yet. JRE has some great results. I am thinking the CAI and 90MM TB to start and then can add pulley etc with or without a tune when I want. Still want to retain the factory warrentee at this point. A CAI and TB is a pretty cheap upgrade which can be utilized with any future mods.
I am ramming Rotofab CAI and going with 5% OD pulley and no tune. I do not see how the pulley and TB will still maintain warranty, so I will be ready to reinstall OEM.

As far as I can see, only CC and CAI will not void warranty, OD the SC and then have it go bad will not fly for warranty.
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Old 12-25-2012, 09:22 PM   #27
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I am having a memory lapse but what does the CC stand for??
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Old 12-25-2012, 09:51 PM   #28
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I am having a memory lapse but what does the CC stand for??
Catch can I think
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Old 12-28-2012, 06:08 PM   #29
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Catch can I think
Thanks, you are correct!!
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Old 01-09-2013, 10:20 PM   #30
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SO ???

Ive purchased the rotofab cold air and 90 mm GM TB
Will it need a tune or not ?????
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Old 01-15-2013, 10:55 AM   #31
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Originally Posted by ace32x View Post
car is currently stock. but im throwing a rotafab intake on my m6 zl1 as soon as i recieve it and was wondering if the stock throttle body had any gains to be had by replacing it with a nw 102? for now im not modding to heavily but down the road i will be doing a cam and valve springs and heat exchanger/pump and headers so it will eventually be needed.

was just curious if the money was worth it now to pick one up to combo with the intake
It only flows about 1180 CFM but respoonds very well to porting. Anohter 170 CFM or so can be attined with a good port job. The bottom of hte throttle blade is pretty shrouded.
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Old 01-15-2013, 12:42 PM   #32
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It only flows about 1180 CFM but respoonds very well to porting. Anohter 170 CFM or so can be attined with a good port job. The bottom of hte throttle blade is pretty shrouded.
i ended up buying a 102, need to port the snout now. i also need a heat exchanger but i havent seen anyone making one for the zl1 yet except for cooler logic
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Old 01-15-2013, 08:41 PM   #33
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i ended up buying a 102, need to port the snout now. i also need a heat exchanger but i havent seen anyone making one for the zl1 yet except for cooler logic
KDI makes an HX too. I have the cooler logic unit which is very nice.
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Old 01-15-2013, 08:57 PM   #34
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i ended up buying a 102, need to port the snout now. i also need a heat exchanger but i havent seen anyone making one for the zl1 yet except for cooler logic
I did the 102NW and had KDi do their complete blower and snout porting. Also went with their HX as well. The porting on the blower was extremely well done and the HX is VERY nice piece to say the least. Highly recommend both.
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Old 01-15-2013, 09:09 PM   #35
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I did the 102NW and had KDi do their complete blower and snout porting. Also went with their HX as well. The porting on the blower was extremely well done and the HX is VERY nice piece to say the least. Highly recommend both.
what all do they port on the blower? i need to get my snout ported still but i havent looked into the blower yet. i bought theyre Heat exchanger today aswell
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Old 01-15-2013, 09:45 PM   #36
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i ended up buying a 102, need to port the snout now. i also need a heat exchanger but i havent seen anyone making one for the zl1 yet except for cooler logic
Quote:
Originally Posted by ace32x View Post
what all do they port on the blower? i need to get my snout ported still but i havent looked into the blower yet. i bought theyre Heat exchanger today aswell
They open the snout all the way up to the 102 opening and then do a real nice transition into the blower housing. As far as the blower itself. You would have to see it truthfully. There is no area left untouched in the housing area. When Keith was explaining it to me over the phone I didn't appreciate the amount of work that was going into it until I got it back. But once you do a before and after its pretty amazing. You won't be disappointed.
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Old 02-05-2013, 01:22 AM   #37
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What TB does the ZR1 Corvette have?
87mm
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Old 02-18-2013, 03:24 PM   #38
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off topic but I don't know why the heck GM didn't put a 90mm TB on the ZL1, CTS-V or ZR1 when they had the parts already from the LS7 which has been around since 2006. GM must've known these S/C cars get modded and the 90mm TB would've been a better baseline to start with.
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Old 02-18-2013, 03:56 PM   #39
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At what size TB do you need to port the snout? Has anyone used a 95mm TB yet?
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Old 02-22-2013, 10:42 AM   #40
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the snout is 87mm, so with any throttle body larger than that, porting the snout would be necessary.
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Old 02-22-2013, 04:18 PM   #41
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the snout is 87mm, so with any throttle body larger than that, porting the snout would be necessary.
I though the snout was 90mm. I have 90mm no porting on the snout.
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Old 02-25-2013, 02:55 PM   #42
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I though the snout was 90mm. I have 90mm no porting on the snout.
maybe the back of the 87 and 90 are the same diameter? I assumed the 90 would be larger.

If you reach your fingers in and feel the transition between the throttle body and the snout is it smooth?
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Old 02-25-2013, 03:43 PM   #43
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off topic but I don't know why the heck GM didn't put a 90mm TB on the ZL1, CTS-V or ZR1 when they had the parts already from the LS7 which has been around since 2006. GM must've known these S/C cars get modded and the 90mm TB would've been a better baseline to start with.
I asked Al from GM at C5 fest in Indy and he said they had to use the 87mm because the 90mm caused the engine to get hotter faster due to the increased HP and it started pulling timing faster......he said it was a delicate balance they were trying to stay within and they had to go with the 87mm.
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Old 02-25-2013, 03:54 PM   #44
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They do pick up a good bit of power and are cheap and easy to do.
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Old 02-25-2013, 04:46 PM   #45
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The VMax CNC pattern ported OEM unit is good for both power and off idle response.

As for heat from the extra power, RX Super Chiller time!
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Old 03-02-2013, 06:05 PM   #46
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In stock no wait also.
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Old 03-02-2013, 08:17 PM   #47
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In stock no wait also.
Is the throttle body as easy to swap as the LS3?
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Old 03-06-2013, 09:30 AM   #48
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Is the throttle body as easy to swap as the LS3?
Yes
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Old 03-06-2013, 11:13 AM   #49
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The VMax CNC pattern ported OEM unit is good for both power and off idle response.

As for heat from the extra power, RX Super Chiller time!
Are these ported LSA Tb's ported out to 90mm?
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Old 03-06-2013, 12:32 PM   #50
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How much boost are people picking up with a 102mm TB and ported snout?
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