LS1 head flow numbers for my 84TA
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LS1 head flow numbers for my 84TA
(I am planning on putting an LS1 I bought into my 84TA).
Did some work on my LS1 heads at the machine shop yesterday.
Charlie has a Superflow head flow tester and I got all numbers at 28" and 77 degrees.
Intake Numbers:
Lift 0.1
Before: 61
After: 62
Lift: 0.2
Before: 129
After: 141
Lift: 0.3
Before: 189
After: 207
Lift: 0.4
Before: 221
After: 245
Lift: 0.5
Before: 227
After: 261
Lift: 0.6
Before: 227
After: 268
Exhaust Numbers:
Lift: 0.1
Before: 53
After: 54
Lift: 0.2
Before: 101
After: 111
Lift: 0.3
Before: 137
After: 151
Lift: 0.4
Before: 165
After: 188
Lift: 0.5
Before: 179
After: 212
Lift: 0.6
Before: 188
After: 224
These are with stock valves.
I wanted to get some pics but Charlie's digital camera is a POS and won't work in a low light condition. Give me some feedback! I was pretty pleased with the results myself!
Did some work on my LS1 heads at the machine shop yesterday.
Charlie has a Superflow head flow tester and I got all numbers at 28" and 77 degrees.
Intake Numbers:
Lift 0.1
Before: 61
After: 62
Lift: 0.2
Before: 129
After: 141
Lift: 0.3
Before: 189
After: 207
Lift: 0.4
Before: 221
After: 245
Lift: 0.5
Before: 227
After: 261
Lift: 0.6
Before: 227
After: 268
Exhaust Numbers:
Lift: 0.1
Before: 53
After: 54
Lift: 0.2
Before: 101
After: 111
Lift: 0.3
Before: 137
After: 151
Lift: 0.4
Before: 165
After: 188
Lift: 0.5
Before: 179
After: 212
Lift: 0.6
Before: 188
After: 224
These are with stock valves.
I wanted to get some pics but Charlie's digital camera is a POS and won't work in a low light condition. Give me some feedback! I was pretty pleased with the results myself!
Senior Member
Joined: May 2000
Posts: 980
Likes: 1
What kind of feedback ?? They look better because you ported the heads! lol
------------------
92 Z28 5.7
------------------
Trick Flow 23° heads, Comp Cams XR270HR-10 cam, Accel intake base + ported TPI,
TES headers, Flowmaster catback, MSD ignition, #24 SVO injectors, 1LE aluminum driveshaft.
Click here to see pics of my car.
Check out our car club Truspeed
Check out the Bin Archive for all your .bin needs
------------------
92 Z28 5.7
------------------
Trick Flow 23° heads, Comp Cams XR270HR-10 cam, Accel intake base + ported TPI,
TES headers, Flowmaster catback, MSD ignition, #24 SVO injectors, 1LE aluminum driveshaft.
Click here to see pics of my car.
Check out our car club Truspeed
Check out the Bin Archive for all your .bin needs
Moderator
Joined: Jan 2000
Posts: 19,655
Likes: 309
Matt,
It looks like you have the information you need to size the cam, and lifts much over 0.500" will be a waste. I would try to find something that has a fairly aggressive ramp, lift to about 0.500", and a lot of duration over 0.300". I know the choices for LS1 engines are a bit limited, but a little homework here can really pay off.
You shouldn't have an trouble with flow on those heads - nice work!
------------------
Later,
Vader
------------------
"I'm'a do Things My Way - It's My way or the Highway."
Adobe Acrobat Reader
It looks like you have the information you need to size the cam, and lifts much over 0.500" will be a waste. I would try to find something that has a fairly aggressive ramp, lift to about 0.500", and a lot of duration over 0.300". I know the choices for LS1 engines are a bit limited, but a little homework here can really pay off.
You shouldn't have an trouble with flow on those heads - nice work!
------------------
Later,
Vader
------------------
"I'm'a do Things My Way - It's My way or the Highway."
Adobe Acrobat Reader
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