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Ported throttle body question

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Old 06-18-2009, 01:04 PM
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Originally Posted by TX Tahoe Z71
Hmmm... my iPhone app is detecting some b/s

Kidding, but I wouldn't put too much merit into it, that seems wayyyy off for only a ported t/b
hahaha yaw it's definatly off, the point I was trying to make is that I could tell by the seat of my pants it was quite a bit quicker I know it's not .7 sec in the quarter like my phone says that was just usless info but kinds interesting because it would test it over and over again, with similar times it would change by .3 sec when doing runs back to back. I don't want you guys thinking im putting faith into the iPhone app, like I said just some fun USLESS info! I would guess it droped my et .3 sec, Definatly helped alot more than my underdeive pulley!
Old 06-18-2009, 01:43 PM
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Originally Posted by jophuss36
hahaha yaw it's definatly off, the point I was trying to make is that I could tell by the seat of my pants it was quite a bit quicker I know it's not .7 sec in the quarter like my phone says that was just usless info but kinds interesting because it would test it over and over again, with similar times it would change by .3 sec when doing runs back to back. I don't want you guys thinking im putting faith into the iPhone app, like I said just some fun USLESS info! I would guess it droped my et .3 sec, Definatly helped alot more than my underdeive pulley!
.3 seconds is roughly 30hp...you would be lucky to drop a full 1/10 on the 1/4.
Old 06-19-2009, 12:09 AM
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Originally Posted by TXsilverado
.3 seconds is roughly 30hp...you would be lucky to drop a full 1/10 on the 1/4.
You don't have to believe it, but that's my guess on how much it helped me.
Old 06-19-2009, 10:11 AM
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okee dokee
Old 06-19-2009, 11:18 AM
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so most of you agree that this mod. does make a difference.

I need to P&P my TB!! So what tools exactly are needed to do the job??
Old 06-19-2009, 11:23 AM
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A dremel, lots of sanding wheels (from coarse to fine), some sandpaper to finish it off, and about two hours. A can of compressed air helps too (those computer duster cans) b/c you will have a lot of metal shavings.

Don't remove material close to where the blade closes or you could mess up the idle by letting too much air in.

Search ls1howto.com, ls1tech.com and this forum, I remember seeing a good write-up about it.
Old 06-19-2009, 11:29 AM
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^^^I appreciate the info man. I might do it this weekend.
Old 06-19-2009, 11:38 AM
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No prob. Let us know how it goes! Post up if you have any questions
Old 06-26-2009, 01:31 AM
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Originally Posted by LaSinister
^^^I appreciate the info man. I might do it this weekend.
I think there was alot of attention to detail in my shaner tb that helped with power, I think if I were u I'd spend the 125 bucks on a shaner! I just don't think I would have got the same gains if I did it in my garage! But if you don't have the125 I'd say don't forget the bumpstop!
Old 06-28-2009, 12:24 AM
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I've yet to see a ported TB give any real benefit on the dyno or actual gain at the track but reading this thread makes me want to start porting people's TBs for money.
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