Ported LIM
Senior Member
Posts like a Camaro
Joined: Oct 2003
Posts: 1,074
Likes: 1
From: Hamilton, Ontario
Originally Posted by willwren
Funny you should mention the (off topic here we go) L27 LIM. I don't recall any more than one done before, and don't recall the road test results. I'd be tempted enough to port one for beer money.
NOW you say that, if I knew that I woulda got you to port mine for me. :P I guess ill be the 2nd with a ported L27. It might be a good comparison when I get the supporting mods for it
Senior Member
True Car Nut
Joined: Aug 2004
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From: In your garage, swipin' da lug nutz
Originally Posted by willwren
Funny you should mention the (off topic here we go) L27 LIM. I don't recall any more than one done before, and don't recall the road test results. I'd be tempted enough to port one for beer money.
It'* about 50% done.
Thread Starter
Senior Member
Posts like a Turbo
Joined: Feb 2007
Posts: 494
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From: Alabama
Aren't the L27'* better matched from the factory than the L36?
I'd be interested in seeing the results though. A friend of mine has an L27 powered LeSabre that could benefit from this if it turns out to be worth the effort.
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I'd be interested in seeing the results though. A friend of mine has an L27 powered LeSabre that could benefit from this if it turns out to be worth the effort.
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Senior Member
True Car Nut
Joined: Aug 2004
Posts: 3,067
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From: In your garage, swipin' da lug nutz
The castings are somewhat better, but there is still room for improvement. Esp. inthe runner department...the runners are rough-cast, which negates airflow. The runners can be smoothed and polished, and even deepend a little bit, and the ports can be widened as well.
I'll post pics of my progress when I get a chance to.
I'll post pics of my progress when I get a chance to.
Thread Starter
Senior Member
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Joined: Feb 2007
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From: Alabama
Originally Posted by Barry
Are you still running the stock PCM? If so, do you plan on changing it to match the radiator fan "on" temp. to 180?
I should post a baseline acceleration video to compare to the one I posted on the last page if I can find it, the difference should be easily noticeable.
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Originally Posted by LeSabreUltra
Originally Posted by firebuick
i did mine last year at the same time as replacing my lower gasket and that got me going into the mod bug and i was please whit a 14 sec run at the end of the year whit the mod i have in my signature
this year so far i have a HV3 install and my MPH whent up to 95.47 but i have some traction problem that should be fix now
this year so far i have a HV3 install and my MPH whent up to 95.47 but i have some traction problem that should be fix now
Well guys, I finally have a full throttle video to share. This will give you a good idea of just how much this freed my car up. 700' elevation, 63* ambient air temp, level road surface in the country. Had to stop at 60 because I already got pulled over once tonight with a warning, I wasn't going to let it happen again.
You'll note I waited until 30 mph until I actually floored it...I was in "protect my car" mode. Burnouts are baaaad...gotta keep my trans alive and kicking!
Hope you enjoy, and maybe this will inspire someone else to do a PLIM.
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Second... Yes thats the difference I saw with my PLIM.... I was surprised to see how easily the car would pull to 5950 on the 1-2 shift... My Trans is still very tired tho.. I don't get the liberty of seeing the speedo move that fast anymore...LMAO...
And I also seem to have improved in Fuel economy.. 21 is the norm in town... And 32 is the norm on the interstate if I can keep my foot off the floor
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