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Cam specs on a 1967 Pontiac 400, 335 hp

Lift, duration at .050" and lobe center line angles

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Firebird App. Pontiac Part # Duration @ .050 Degrees Int/Exh Adv Duration Degrees Int/Exh Lobe Center Degrees Int/Exh Lobe Separation Angle Overlap Cam Lift Int/Exh Gross Lift Int/Exh
(1.5:1 Ratio Rocker) Gross Lift Int/Exh
(1.65:1 Ratio Rocker) 1977 TA6.6 549431 274/289 62 .249/.270 .374/.406 .411/.446 1978 TA6.6 10003402 273/289 54 .270/.271 .406/.407 .446/.448 1979 TA6.6 10003402 274/298 55 .249/.270 .374/.406 .411/.446 1967 400, 1968 350, 1973-76 400 w/ AT 9779066(E) OEM 200/210 273/282 106/116 111.25 55 .272/.271 .408/.407 .449/.448 1967-68 400HO w/ MT 9779067(P) OEM 200/213 273/289 113.5 54 .272/.271 .408/.407 .449/.448 1968 400 HO MT & RA-I AT, 1969 350 HO MT, 1969 400 MT, 1970
RA-III MT/AT, 1971-72 455 HO MT 9779068(S)
OEM 212/225 288/302 113/118 116 63 .272/.271 .408/.407 .449/.448 1967 RA MT/AT, 1968 RA-I MT,
(Some 1969 GTO RA-III MT) 9785744 (H)
OEM 224/236 301/313 112/119 115 76 .272/.271 .408/.407 .449/.448 1968-70 RA-II & RA-IV MT/AT 9794041
(T) OEM 230/240 308/320 112/115 114 87 .313/.313 .470/.470 .516/.516 (Stock in RAIV)

Posted on Sep 20, 2017

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SOURCE: Need the cam shaft specs Duration and Lift. 1971 Lincoln mark 111

go google and type in cam shaft specifications for ford v 8 engine
find a page that displays your engine size and the specifications will be there
what you want is expressed in degrees of rotation

Posted on Oct 03, 2015

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Need specs on for 1971 lincoln 460 engine camshaft ,duration and lift specs


http://www.ford-trucks.com/forums/284830-1969-460-cam-profile-please-help.html

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The duration and lift for 1971 Lincoln 460 CI engine camshaft


COMP CamsĀ® - Ford Engine Technical Specs and Information

www.compcams.com/Pages/411/ford-technical-info.aspxBig Block, 426 Hemi, 1966-1971 .... With the V8 engine sizes ranging from 221-460, there is an engine size and configuration to cover just about any need or application. ...The 4.6L version of this engine first came out in the 1991 Lincoln Town Car ... All of the factory valve springs are designed to work with a certain lift cam, ...

1969 460 Cam Profile? Please Help - Ford Truck Enthusiasts Forums

www.ford-trucks.com/.../284830-1969-460-cam-profile-please-help.htm...
Sep 18, 2004 - I have searched enough to know that a 1969 460 from a Lincoln had 365 hp and about ... to look at the stock engine blueprints they have but they do not list a 460 until 1971. ... lobe lift .253/.253, valve lift, .443/.443 dur 276/276 ..... Diesel Engine Fuels, Competition, Performance, Engines & Troubleshooting ...

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Whats the cause of a slightly bent pushrod and a rocker arm to nearly come off?


the high lift cam has no compensation and so the valve retainer bottomed out causing the rocker to slip sideways and bend the push rod
you would have been better fitting a prolonged duration cam rather that a high lift for the following reasons
1 --- you can used standard rocker gear
2 ---there is no valve bounce at high rpm
3 --- smoother air flow in the inlet manifold so there is not such a stop/ start action when rpm is low
4--- less wear on cam followers and cam lobes
cam shafts are all about open duration so longer open with smaller lift is better than the same duration with a fast up and down action

Sep 15, 2017 | Cars & Trucks

1 Answer

What arm the specs for 95 camaro lt1 350


Block and Basics
Displacement: 350 cubic inches, 5733 cubic centimeters, 5.7 liters
Block Material: Cast Iron
Main Bearings: 2-Bolt Centers and Ends (The Corvette LT1/LT4 had 4-bolt mains)
Stroke: 3.48"
Bore: 4.00"
Compression Ratio: 10.4:1
Combustion Chambers: 54 cubic centimeters
Factory Redline Rating: 5700 Rotations Per Minute

Bottom End
Piston Material: (10159437) Eutectic Aluminum/Silicon Alloy
Connecting Rod Material: (10108688) Powdered Metal
Crankshaft Material: (12556307) Cast Iron

Top End and Valvetrain
Cylinder Heads: (10168448) Cast Aluminum, 2 valves per cylinder/16 valves total, ~212 CFM flow (Impala SS and Caprice heads were made of cast iron*)
Valve Diameter: (intake- 10241743, exhaust- 12550909) 1.94 intake, 1.50 exhaust
Valve Overlap: 41*
Valvesprings: (10206040) 85 lbs, seated
Camshaft Specs (12551705): 205/207 duration @ 50*, .447/.459" lift, 117 Lobe Seperation Angle
Rocker Arms: (10089648) 1.5:1 Stamped Steel
Timing Chain: (10128485) Powdered metal link

Intake and Fuel Delivery
Fuel Delivery: Electronic Fuel Injection, sequential port
Injector Size: (17124248) 3.0gps, 22lbs/hr speed density (1992-1993), 24lbs/hr mass airflow (1994-1997)
Throttle Body: 48 millimeter twin butterfly
Intake Manifold: (12552137) Aluminum

Factory Power Ratings
92-96 LT1 Corvette: 300bhp, 330lb-ft
1996 LT4 Corvette: 330bhp, 340lb-ft
1992 LT5 Corvette: 375bhp, 370lb-ft
93-95 LT5 Corvette: 405bhp, 385lb-ft
93-95 LT1 F-Body: 275bhp, 325lb-ft
96-97 LT1 F-Body: 285bhp, 325lb-ft
96-97 WS6/SS: 305bhp, 335lb-ft
93-97 Firehawks: 315bhp, 340lb-ft

Factory LTX Camshaft Specifications**:
1992 Y-body: 205/207 0.451/0.450 lift 117 LSA
1993-1995 Y-body, F-body: 202/207 0.450/0.460 lift 116 LSA
1994-1996 B-bodies (including L99 4.3L): 191/196 0.418/0.430 lift 111 LSA
1996 Y-body, 1996-1997 F-body: 200/207 0.447/0.459 lift 117 LSA
1996 Y-body, F-body LT4: 203/210 0.476/0.479 lift 115 LSA


hope this helps

Mar 04, 2015 | Cars & Trucks

1 Answer

I have a 86 302 with a roller cam but I need the specs on it all that is stamped on it is a F5. Any clues


Call the cam manufacturer

You can use your degree wheel & dial
indicator, to measure the lift & duration

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1 Answer

How to time a camshaft without a cam card the manufacturer of a camshaft will provide the amount of degrees the cam should be timed at, lets say 108 degrees at full inlet lift. if a camshaft did not have...


Not sure I am following, but it should like instead of simply lining up the marks as one would normally do, you want the theory?
Anyway, the point of a camshaft timing is to not only make sure the intake opens when the piston goes down, closes going up for compression, stays closed while going down for power, but then opens going up for exhaust, but that it also matches the distributer.
The easiest thing to do if a cam had no marks, would be to compare it with the original, and just transfer the marks. If it is more of a "full race" cam, it will have lobes more advanced for opening, but will also have more lobe retention on the other end as well, so will still be symmetric, I believe. In effect a less sharp lobe. Anyway, the angle is always given relative to TDC on the crankshaft.

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1 Answer

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1 Answer

Cam shaft lift


rpm range =2000 to 5400....
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duration at .050=214 In 214 EX
gross lift .463" IN .463" EX
lobe center 111
advance 4
valve lash .000 IN .000 EX

a good mid and top end performer ...good luck

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1 Answer

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1 Answer

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