LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LE2 Heads LE4 Cam ET's

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Old Aug 5, 2006 | 09:21 AM
  #1  
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LE2 Heads LE4 Cam ET's

First time out w/ new combo, car goes lean after 5400 (needs bigger injectors) so i was only shifting @ 6000 first pass was 12.8 @ 108 w/ 2.0 60', missed fourth gear then got back into the throttle. Second pass , hot lapped took it off the line at idle again 2.0 60' 12.35 @117, clutch slips alittle when hot lapped only in 3rd and 4th, next pass tried to take it off the line at 3500, burned tires through 1st ran 12.33 @ 117.9 again w/ a 2.0 60', hot lapped it but sat in the lanes for a bit, did nasty burnout to get the BFG DR's hot, took it off the line @ 2500 spun 3/8 the way through 1st squirmed when i hit second clutch barely slipped into 3 and 4 ran a 12.18 @ 118.7 w/ a 1.965 60'. I was pretty happy with the times and was pretty fun beatin up on the LS1's. Track was def. slippery as my buddy's car that runs consistant 12.80's could only muster 1 12 sec pass at a 12.98 rest were like 13.0's and 13.1's. TEmp was about 85 when we got there and about 78-80 after the sun went down, fairly high humidity. So theres alot more in it
Old Aug 5, 2006 | 09:23 AM
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Re: LE2 Heads LE4 Cam ET's

Nice MPH for ****ty weather and shakedown passes!
Old Aug 5, 2006 | 09:46 AM
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Re: LE2 Heads LE4 Cam ET's

117 very nice!
Keep working at it, 11.999 is so close
Old Aug 5, 2006 | 01:28 PM
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Re: LE2 Heads LE4 Cam ET's

there is a le4 cam out now???
Old Aug 5, 2006 | 02:32 PM
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Re: LE2 Heads LE4 Cam ET's

Originally Posted by Mustang4Lunch2
there is a le4 cam out now???
I think those cams are for strokers.
Old Aug 5, 2006 | 02:48 PM
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Re: LE2 Heads LE4 Cam ET's

Originally Posted by Jlo
I think those cams are for strokers.
Old Aug 5, 2006 | 03:10 PM
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Re: LE2 Heads LE4 Cam ET's

Pretty good times for that 60 ft.

VERY nnice MPH for needing more injector and this crummy weather right now. Get some bigger inj, more tuning, shift at 6400 RPM and some good weather (late Oct/Nov) and you should really turn some good MPH.

If you can get the car to get some 1.75 60 ft's, you should be in the mid 11's at 121 MPH with the above mentioned changes/weather.

OBVIOUSLY a better 60 ft or less weight would help also but I am trying to be realistic on expectations of a stock rear end and 6 speed.

Lloyd
Old Aug 5, 2006 | 05:18 PM
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Re: LE2 Heads LE4 Cam ET's

I agree with Lloyd on that one. Good numbers for shakedown runs, obviously it's not a drag car with those 60 ft times. Hell I'm happy to get 2.0's on my stock SS on BFG's.

Bret
Old Aug 5, 2006 | 05:44 PM
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Re: LE2 Heads LE4 Cam ET's

Poor little 10 bolt
Old Aug 5, 2006 | 06:54 PM
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Re: LE2 Heads LE4 Cam ET's

my buddies 396 ran 123 with 24lb injectors N/A with some old MTI heads. i would expect 117-118 from a heads cam stock shortblock.
Old Aug 5, 2006 | 08:39 PM
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Re: LE2 Heads LE4 Cam ET's

Thanks for the replies Llyod and Bret very happy with the combo once i can shift alittle higher and get at least a little more traction it'll break 11's easy which was my goal from the getgo , b/c i knew my 60' would suk . I mean it's a full weight 6 speed, It's really only a street car.Still has A/C. It has slp level II suspension: eibach springs matched to bilsteins, has spohn lca's w/ relocation brackets, spohn panhard, stock trq arm. Went with the cubes just for nasty torque my car makes over 400 rwtq from 2900 up to 5400 (which happens to be where my injectors fall off)= ALOT of fun on the street and highway. Great package Lloyd and Bret another Great COMBINATION.
Old Aug 5, 2006 | 09:13 PM
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Re: LE2 Heads LE4 Cam ET's

Those numbers look very promising. Sounds like a strong car. How does that LE 4 cam feel and why did you end up choosing LE2 heads for it? One day I'll have my damn boat assembled and running.

Daniel
Old Aug 5, 2006 | 09:58 PM
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Re: LE2 Heads LE4 Cam ET's

had le2.2cam and le2 heads 1k mi later it ended up spining bearings in the stock block 21k mi, So i already had the heads.
Old Aug 5, 2006 | 11:24 PM
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Re: LE2 Heads LE4 Cam ET's

great times for your shake downs. Lloyd does great work. My Impala SS went 12.18@ 112 with a off the shelf CC503 and LE2 heads. With a 3500 stall and a 1.66 60ft in a car that weighs 4400 lbs. The biggest thing that helped me was a 7.74 1/8th at 87 mph. Get your 60ft times down and get a better 1/8th and 11 are deffenetly in your near future. LLoyd rocks.
HVY SS

Last edited by hvyss; Aug 5, 2006 at 11:37 PM.
Old Aug 7, 2006 | 08:30 AM
  #15  
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Re: LE2 Heads LE4 Cam ET's

My best 1/8 was 7.999 @ 91.89 Need a better 60'



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