Mast Motorsports announced 12* LS3 style heads for small med and lg bore ls engines!
12-18-2008, 05:45 PM
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Mast Motorsports announced 12* LS3 style heads for small med and lg bore ls engines! http://www.mastmotorsports.com/black...linder%20Heads
They will also offer fuel rail kits and rocker arms under their "Black Label" line of products.
They are also offering cam-phaser style camshafts for L92 engines and their M-90 style of controls for both gen III and gen IV engines (including VVT).
Very promising.
They will also offer fuel rail kits and rocker arms under their "Black Label" line of products.
They are also offering cam-phaser style camshafts for L92 engines and their M-90 style of controls for both gen III and gen IV engines (including VVT).
Very promising.
12-20-2008, 09:23 PM
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http://www.mastmotorsports.com/black...linder%20Heads
They will also offer fuel rail kits and rocker arms under their "Black Label" line of products.
They are also offering cam-phaser style camshafts for L92 engines and their M-90 style of controls for both gen III and gen IV engines (including VVT).
Very promising.
They will also offer fuel rail kits and rocker arms under their "Black Label" line of products.
They are also offering cam-phaser style camshafts for L92 engines and their M-90 style of controls for both gen III and gen IV engines (including VVT).
Very promising.
12-20-2008, 09:47 PM
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12-20-2008, 09:55 PM
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In the link, but here I copy and pasted for you, these are for the 3.9 bore head with a 2.055 intake valve and 1.59 exhaust valve:
Flow Data w/ 3.900" Bore Plate
Lift | Intake | Exhaust
.100 | 73 | 57
.200 | 155 | 114
.300 | 228 | 164
.400 | 281 | 204
.500 | 320 | 222
.550 | 333 | 228
.600 | 343 | 232
.650 | 351 | 236
.700 | 355 | 240
I wonder how much of a difference it would make over my tea stg 2.5 5.3 heads, here's the flow chart on mine:
Lift Intake Exhaust
.100" 67.2 57.5
.200" 140.4 110.7
.300" 207.8 168.7
.400" 252 213.2
.500" 290.3 240.8
.550" 304.1 248.7
.600" 317 254.7
Depending on the price I dunno if it'd be worth it.
Flow Data w/ 3.900" Bore Plate
Lift | Intake | Exhaust
.100 | 73 | 57
.200 | 155 | 114
.300 | 228 | 164
.400 | 281 | 204
.500 | 320 | 222
.550 | 333 | 228
.600 | 343 | 232
.650 | 351 | 236
.700 | 355 | 240
I wonder how much of a difference it would make over my tea stg 2.5 5.3 heads, here's the flow chart on mine:
Lift Intake Exhaust
.100" 67.2 57.5
.200" 140.4 110.7
.300" 207.8 168.7
.400" 252 213.2
.500" 290.3 240.8
.550" 304.1 248.7
.600" 317 254.7
Depending on the price I dunno if it'd be worth it.
12-22-2008, 01:34 PM
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Out of curiousity, if you were going to the trouble of building a new head, why not set it up for a LS7 intake? Stock LS3 heads already outflow the intake.
12-22-2008, 02:01 PM
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In the link, but here I copy and pasted for you, these are for the 3.9 bore head with a 2.055 intake valve and 1.59 exhaust valve:
Flow Data w/ 3.900" Bore Plate
Lift | Intake | Exhaust
.100 | 73 | 57
.200 | 155 | 114
.300 | 228 | 164
.400 | 281 | 204
.500 | 320 | 222
.550 | 333 | 228
.600 | 343 | 232
.650 | 351 | 236
.700 | 355 | 240
I wonder how much of a difference it would make over my tea stg 2.5 5.3 heads, here's the flow chart on mine:
Lift Intake Exhaust
.100" 67.2 57.5
.200" 140.4 110.7
.300" 207.8 168.7
.400" 252 213.2
.500" 290.3 240.8
.550" 304.1 248.7
.600" 317 254.7
Depending on the price I dunno if it'd be worth it.
Flow Data w/ 3.900" Bore Plate
Lift | Intake | Exhaust
.100 | 73 | 57
.200 | 155 | 114
.300 | 228 | 164
.400 | 281 | 204
.500 | 320 | 222
.550 | 333 | 228
.600 | 343 | 232
.650 | 351 | 236
.700 | 355 | 240
I wonder how much of a difference it would make over my tea stg 2.5 5.3 heads, here's the flow chart on mine:
Lift Intake Exhaust
.100" 67.2 57.5
.200" 140.4 110.7
.300" 207.8 168.7
.400" 252 213.2
.500" 290.3 240.8
.550" 304.1 248.7
.600" 317 254.7
Depending on the price I dunno if it'd be worth it.
12-22-2008, 03:30 PM
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Not if you put a gmpp or other single plane on it, if I got these heads, i'd probably pick up an ETP single plane with the dominator flange for it since I would have to replace my gmpp that's on my cathedral ports right now.
12-24-2008, 09:32 AM
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will a 2.16 intake valve even clear a 3.90 bore?
even if it physcally fits, is there even a point to have such large valves on a 3.90 bore...if anything, id imagine they would perform poorly compared to a properly valved head for that bore size...
even if it physcally fits, is there even a point to have such large valves on a 3.90 bore...if anything, id imagine they would perform poorly compared to a properly valved head for that bore size...
