Spring Recomendation for Lunati Cam
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Joined: Dec 2005
Posts: 196
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From: Pittsburgh, PA
Car: 87 TA / 87 Firebird
Engine: 385 FastBurn / Performance 3.4L
Transmission: TKO600 / 700R4
Axle/Gears: Ford 9" / GM 10bolt
Spring Recomendation for Lunati Cam
Can anyone recomend a good spring # for the heads to help pull enough power out of lunati cam #SM-225.
Its for a chevy 305 SB w/ Fuel Injection
Also what Rockers would you recomend 1.5.1 or 1.6.1 w/ 5/16 pushrods
Brand: Lunati
Product Line: Lunati Hydraulic Flat Tappet Camshafts
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 1,800-5,800 RPM
Intake Duration at 050 inch Lift: 225
Exhaust Duration at 050 inch Lift: 225
Duration at 050 inch Lift: 225 int./225 exh.
Advertised Intake Duration: 275
Advertised Exhaust Duration: 275
Advertised Duration: 275 int./275 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.477 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.477 in.
Valve Lift with Factory Rocker Arm Ratio: 0.477 int./0.477 exh. lift
Lobe Separation (degrees): 108
Intake Valve Lash: 0.000 in.
Exhaust Valve Lash: 0.000 in.
Computer Controlled Compatible: No
Grind Number: SM-225
IM still learning, b/c im starting my engine build this summer before I go to college, would like to get it done before I turn 19.
Thanks for the input
Its for a chevy 305 SB w/ Fuel Injection
Also what Rockers would you recomend 1.5.1 or 1.6.1 w/ 5/16 pushrods
Brand: Lunati
Product Line: Lunati Hydraulic Flat Tappet Camshafts
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 1,800-5,800 RPM
Intake Duration at 050 inch Lift: 225
Exhaust Duration at 050 inch Lift: 225
Duration at 050 inch Lift: 225 int./225 exh.
Advertised Intake Duration: 275
Advertised Exhaust Duration: 275
Advertised Duration: 275 int./275 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.477 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.477 in.
Valve Lift with Factory Rocker Arm Ratio: 0.477 int./0.477 exh. lift
Lobe Separation (degrees): 108
Intake Valve Lash: 0.000 in.
Exhaust Valve Lash: 0.000 in.
Computer Controlled Compatible: No
Grind Number: SM-225
IM still learning, b/c im starting my engine build this summer before I go to college, would like to get it done before I turn 19.
Thanks for the input
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