KDG LIM Porting - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 03-24-2007, 08:54 AM   #31
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got myself a use LIM thank you for all the tips on measurement and the porting this will be very helpfull
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Old 03-24-2007, 10:30 PM   #32
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Fire: have fun and take oyur time. Let the bit do the grinding without to much pressure being applied. Easier to keep control that way.
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Old 03-25-2007, 10:33 PM   #33
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IT'* in!!! Fired her up without any problems. I had a few snags getting there though. No problem with fuel line kink. Good advice from Boosty once again Is there an optimal time to test this? Does the PCM have to relearn anything?

Edit 1 : Also done at the time of this mod:

- New injector o-rings
- Cleaned up throttle body and maf sensor
- TR55 plugs
- APN UIM kit w/ buttermore stovepipe
- Aluminum LIM gaskets w/ plenty of goop at corners
- Flushed out Dex cool and went with prestone dex compaible
- Added 180* (one hole drilled) stat
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Old 03-25-2007, 11:13 PM   #34
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jr's3800 saw the biggest gain after about 100 miles. Get out and drive it. The power gain will come to you.

The same was true for all the porting I've done to date. I feel an immediate gain, mostly in throttle response, then the power comes to me as it learns how to 'feed' the new top end.
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Old 03-26-2007, 01:03 AM   #35
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Exactly what I noticed so far. I must say though, at 5k she totally let go. Gotta love it. Will get back to you all in 100 miles or so.
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Old 03-26-2007, 01:49 AM   #36
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Sorry,

Had to get back sooner. Just took it for a ride after last post....... ABSOLUTELY LOVIN IT>
Take off in 2nd gear(rolling) is just ubergratifying. Can hardly wair until PCM learning is complete. Took a day off tomorrow Should easily have a hundred logged by then.

See you all tomorrrow about his time.
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Old 03-26-2007, 09:12 AM   #37
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Karl, you did the same thing Don did.

Ran all the miles on one long raod trip.
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Old 03-26-2007, 09:20 AM   #38
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Glad the fuel line was nothing....
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Old 03-26-2007, 12:51 PM   #39
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Default Re: KDG LIM Porting

Quote:
Originally Posted by karldergrosse
Sorry,

Had to get back sooner. Just took it for a ride after last post....... ABSOLUTELY LOVIN IT>
Take off in 2nd gear(rolling) is just ubergratifying. Can hardly wair until PCM learning is complete. Took a day off tomorrow Should easily have a hundred logged by then.

See you all tomorrrow about his time.
That change for second gear is interesting ain't it...LOL... Surprise that there is that much to be had with second gear...lol

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Old 03-29-2007, 07:07 PM   #40
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kdg,

I hate to pile on your misery, but I think a link to this:
http://www.bonnevilleclub.com/forum/...ic.php?t=74804

Is in order for anyone who might come across this thread in a search...

Good luck and I hope you get to the bottom of this.
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