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You are watching: Timing marks on a 350 chevy engine


When installing a cam and also then aligning the time chain point out in a 350 chevy go the #1 piston need to be at TDC once this is gift done? Or does that only matter when you are stabbing the distributor in.
Yes. #1 and also #6 will be in ~ TDC. When you align the gears "dot come dot" together in the picture, be aware that #6 will certainly be in ~ TDC on the compression stroke and #1 will be in ~ TDC ~ above the exhaust stroke. Install distributor accordingly.

Women and also cats will carry out as castle please, and men and also dogs need to relax and also get offered to the idea.- Robert A. Heinlein
Yes. #1 and #6 will certainly be at TDC. Once you align the gears "dot come dot" together in the picture, be conscious that #6 will certainly be at TDC ~ above the compression stroke and #1 will be at TDC ~ above the exhaust stroke. Install distributor accordingly.

So the distributor rotor would certainly actually it is in pointed in ~ #8 piston then if the time chain is installed as shown or 180 levels out?
All you must worry around is obtaining the 2 dots to align.There"s a dowel pen on the cam and also the crank has actually a keyway.If the dots space lined up you can"t screw it up.Then acquire your #1 piston ~ above TDC compression stroke(your timing mark on the crank should be close come zero). Autumn the distributor in and the rotor have to be pointing slightly before the #1 position (it rotates clockwise).
“A culture that puts equality before freedom will gain neither.A society that put freedom before equality will gain a high degree of both.” Milton Friedman68 convertible, 454 T56 6 rate in progress
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69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI power distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
I always use about 10 degrees before TDC ( advanced) through the time mark because you space going to have actually to advancement the disti from zero to get it to run well anyway.
"67 rs - ordered new by mine Grandfather327 L30, K-K
, deluxe int, tach & gauges, 12 bolt posi, 4 speed.the Melrose rs - L30 327/275hp
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If you resize (blow up) the photo and look closely at the 2nd tooth previous the keyway, there is a definite circle pattern v what shows up to it is in a triangular shaped punch mark in the center. That"s the one to use. :thumbsup:
Karl / VetteFreak69 Camaro RS 350/350TH...Burgundy...711-Black Int/Houndstooth seat 2007 Corvette Conv. LS-2/A6...Monterey Red/Black peak & Int
69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
Nope
. They never corrected THAT misprint/typo in the company Manual either, which has actually caused much more "won"t start" first-fires than anything else. The reminder of the rotor shouldn"t suggest at ANY piston or cylinder. Through the #1 cylinder in ~ TDC on the compression punch (both valves closed), install the distributor so the guideline of the rotor points to the #1 cable tower in the cap. Yes, it"s that easy. :thumbsup::beers:
Before girlfriend drop the dist in, face the pump slot in the direction of the front and also rear that the engine. Confront the dist rotor come the former of the car and also drop the in and also it should be in ~ the #1 post of the dist cap and also you already know what direction the vacuum advance should face.

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Here"s the correct orientation the the distributor body, advance window, and also vacuum advancement can, and also the exactly indexing of the wires in the cap with the distributor correctly installed. :thumbsup::beers:
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