So I sent an email to Lunati, and they recommended a cam one size bigger than I expected. What do you think, will I achieve 330 HP and 15 Mpg with this cam? Just seems like too much duration for the compression, but maybe I'm wrong.
cams in question are
http://www.lunatipower.com/Product.aspx?id=1775
http://www.lunatipower.com/Product.aspx?id=1774&gid=287

The cam that I really like for your setup is part 10510702 (old # 60902). If you have any questions please feel free to let me know.

Shane


11126 Willow Ridge Drive
Olive Branch, MS 38654

Phone 662-892-1500
Fax 662-890-6309
Email spochon@lunatipower.com
www.LUNATIPOWER.COM


-----Original Message-----
From: techsupport@lunatipower.com [mailto:techsupport@lunatipower.com]
Sent: Monday, January 07, 2013 8:54 AM
To: spochon@lunatipower.com
Subject: Cam Recommendation from Website

CONTACT INFORMATION

Cam Type: Hydraulic Flat Tappet

VEHICLE INFORMATION
Vehicle Year: 1969
Vehicle Make: Pontiac
Vehicle Model: Firebird
Vehicle Weight: 3400
Vehicle Transmission: Automatic
Transmission Stall Speed: 1800
Vehicle Transmission Model: TH350
Vehicle Gear Ratio: 3.31
Tire Height: 26.1
Vehicle Intended Use: Street Performance Vehicle Requires Inspection: No

ENGINE INFORMATION
Engine Year: 1969
Engine Manufacturer: Pontiac
Engine Factory Cubic Inches: 355
Engine Current Cubic Inches: 355
Engine Compression Ratio: 9.2
Piston Bore Diameter: 3.750
Connecting Rod Length: 4
Crankshaft Stroke:
Desired RPM Range From: 1500
Desired RPM Range To: 5200

INDUCTION
Intake Manifold Type: Edelbrock Performer Ported Cylinder Heads: No

CYLINDER HEADS
Cylinder Head Manufacturer: Pontiac
Cylinder Head Material: Cast Iron
Head Runner Volume: 150cc
Intake Valve Size: 1.96
Exhaust Valve Size: 1.66
Ported Heads: Yes
Rocker Arm Ratio: 1.5
Adjustable Valvetrain: No
Maximum Valve Lift Capacity:

FUEL DELIVERY
Fuel Delivery System Type: Carbureted
Fuel Injector Or Carb Size: 750 QuadraJet Fuel Type: Pump Gas Unleaded Fuel Octane Rating: 91

POWER ADDERS
Super Charger: No
Super Charger Type: Centrifugal
Supercharger Boost Amount:
Turbo Charger: No
Turbo Charger Count: One
Turbo Charger Size:
Turbo Boost Amount:
Nitrous: No
Nitrous Amount:
Nitrous Stages:

CURRENT SETUP
Current Cam Manufacturer: Pontiac
Current Intake Duration:
Current Exhaust Duration:
Current Advertised Intake Duration: 269
Current Advertised Exhaust Duration: 277 Current Intake Valve Lift: .375 Current Exhaust Valve Lift: .410 Current Lobe Separation:
Current Intake Centerline:
Area For Improvement: More Upper RPM Power

COMMENTS
Comments: I might try to bump up the compression to 9.5 if that makes a crucial difference in cam choice. I want a cam that will help get me to 330 horsepower and at least 15 mpg at 60 mph at 70F. Also my phone is down, so email is preferred.
thanks for your time,

The second cam spec'd would be a better fit. The 1st one would be a dog until you get into the higher rpms.

I installed a Crower 60240 http://www.crower.com/pontiac-287-455-compu-pro-hydraulic-cam-270-hdp.html and am happy with it. It's similar to the Lunati cam spec'd.

1) need higher stall convertor(for sure)
2) I like cam no 1, but with 110 lobe seperation
3) BUT, the exhaust lift on cam no 1 may be too much for standard poncho head set up. I think .46 is about the max.
4) go roller

Contact Butler or SD performace. They will give you good info.