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

My LE Head Flow #'s

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Old Jun 15, 2004 | 12:26 PM
  #1  
Mystic97Z's Avatar
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My LE Head Flow #'s

just got my heads back today from Lloyd,
port/polished with 2.00/1.56 valves

Lift- Intake- Exhaust-

.5000 265.6 183.8
.5500 271.7 188.9
.6000 274.2 192.0
.6500 273.3 193.3
.7000 271.0 193.7

i don't know a ton about this stuff, these good numbers?

a big thanks to Lloyd, he's good to work with and the heads look awsome!

Last edited by Mystic97Z; Jun 15, 2004 at 12:41 PM.
Old Jun 15, 2004 | 12:58 PM
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those his stage 2 heads?
Old Jun 15, 2004 | 01:03 PM
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nope , "LE1" heads,
stage 1 i guess
Old Jun 15, 2004 | 01:23 PM
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Good numbers. Good for about 520~540 hp at the crank under optimum conditions (tune, supporting parts, etc.)
Old Jun 15, 2004 | 02:28 PM
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Nice numbers, Im getting the "LE1" port also, hope they flow as good!
Old Jun 15, 2004 | 03:05 PM
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how about the low lift numbers?

(ie .200-.450)
Old Jun 15, 2004 | 03:21 PM
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sweet i think im goin with him also
Old Jun 15, 2004 | 03:27 PM
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hey by the way mystic have you got those on your car yet? you posted in my thread about his heads last week and said ud have them on and dyno'd soon let me know when u do that!
Old Jun 15, 2004 | 04:01 PM
  #9  
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i am working on the car everyday, will be done soon this weekend for sure, then next week sometime will be putting it on the dyno

here are the lower numbers for ya

lift ----- intake ----- exhaust
.2000 --- 136.0 --- 103.6
.2500 --- 161.6 --- 121.4
.3000 --- 192.7 --- 138.8
.3500 --- 218.2 --- 153.4
.4000 --- 239.1 --- 165.6
.4500 --- 256.2 --- 177.0
Old Jun 15, 2004 | 04:03 PM
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Did you go with his LE1 cam also?
Old Jun 15, 2004 | 04:20 PM
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yes
Old Jun 15, 2004 | 05:11 PM
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the exhaust looks alittle weak mine are 271/230 at .6000 but krs did mine
Old Jun 15, 2004 | 06:10 PM
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Keep in mind the heads he's talking about (LE1) have stock valves and, of course, flow numbers aren't everything.
Old Jun 15, 2004 | 06:20 PM
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Originally posted by amean94ta
the exhaust looks alittle weak mine are 271/230 at .6000 but krs did mine
Then they gave you fake numbers. A stock lt1 casting isnt going to flow 230 exhaust. Even with a pipe, i dont see it happening.
Old Jun 15, 2004 | 06:21 PM
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Originally posted by jkipp84
Keep in mind the heads he's talking about (LE1) have stock valves and, of course, flow numbers aren't everything.
LE1/LE2/LE3 heads are NO DIFFERENT from each other except for minor differences to suit each camshaft better. There is no difference in the level of the port. His heads do NOT have stock valves. (2.00/1.56)



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