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Old 02-11-2009, 07:08 PM   #1
SlowJoe
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Gt-40p heads and cam.

can i run a tfs stage one on gt-40p heads on a 88 short block? dont know the specs on it yet. but i am searching
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Old 02-11-2009, 07:13 PM   #2
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ok i guess i can

Valve Setting Intake: .000 in.
Valve Setting Exhaust: .000 in.
Advertised Duration (Degrees): 275 intake/279 exhaust
Duration at .050 in. Lift (Degrees): 221 intake/225 exhaust
Camshaft Lift: .312 in. intake/.319 in. exhaust
Valve Lift with 1.6 Rocker Arms: .499 in. intake/.510 in. exhaust
Lobe Separation (Degrees): 112
Intake Cam Timing at .050 in. Valve Lift:
Opens 3 degrees BTDC
Closes 38 degrees ABDC
Max lift: 108 degrees ATDC
Exhaust Cam Timing at .050 in. Valve Lift:
Opens 49 degrees BBDC
Closes 4 degrees BTDC
Max lift: 116 degrees BTDC
Firing Order: 1-3-7-2-6-5-4-8
Characteristics: Good idle, strong mid-range power. Aftermarket intake, heads, and headers recommended. Requires modified Mass Airflow sensor. Best with 9:1-10.5:1 compression ratio.
Valve Springs with 1.6 Rocker Arms: TFS-51400413
Valve Springs with 1.7 Rocker Arms: TFS-31400414
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Old 02-11-2009, 07:20 PM   #3
EHardy1971
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Yep. The '86 engines are the ones you have to be concerned with,because they had no valve reliefs in the pistons.
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Old 02-11-2009, 07:34 PM   #4
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Old 02-11-2009, 08:34 PM   #5
QWKSNKE
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yes you can.
It is a nice pulling cam with the GT40 iron heads. Brian and I rebuilt a member's car a few years ago. He put my OEM heads (from the 93) and that cam on it and put down around 250rwhp
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Old 02-11-2009, 09:04 PM   #6
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We will spray it. No doubt!lol got to keep it in the 7s. Where it was with the last budget motor.lol
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