How to Check TOP DEAD CENTER???

over 40 five oh driver · 01-17-2001, 02:59 PM

Tom351 has the best solution if you have the TDC tool. If not, simply rotate engine by hand to get the balancer and timing mark at TDC or zero, reinstall distributor using the marks you did make on what I assume was distributor body to the block where it slides in? Make sure the rotor is indexed at the #1 position and mark the inner part of the distributor along with where the rotor points to on the upper intake. If it fails to start, you were off a full turn on the crank/balancer marks for TDC. Pull the cap and rotate engine by hand to get the balancer TDC mark and previous marks lined back up as before. Now, pull distributor out far enough to rotate engine by hand to get the crank/balancer around a full 360 degrees and place it back on TDC mark. Put distributor back in lining up the marks on the rotor to the #1 position again along with relative position marks on the inner part of distributor and upper intake, and, using the marks you had already made on the distributor to block. Should fire up as the crank will turn the balancer 720 degrees while the distributor only turns a full 360. If you have a TDC tool, go with Tom351 method as it will get you right on it. Good luck...

------------------
*92' GT, Keith Craft Racing 306 (10.25:1 CR), PRO-M 80mm MAF,65MM TB, Edelbrock U/L intake,
TFS-TW heads milled .056" (52cc chambers), CompCams XE274HR (.555/.565" lift w/1.6 rockers), A-351 adjustable roller rockers, 30# injectors,
Kirban FPR w/external pump, FRPP ceramic coated headers, Bassani X-pipe w/cats, Bassani cat back, Centerforce DF clutch/T.O. bearing...MSD 6AL w/MSD distributor, Steeda Tri axe, aluminum D/S, 3.73's, w/Factory Five U/L control arms. Lakewood 50/50 shocks. Stee

[This message has been edited by over 40 five oh driver (edited 01-17-2001).]

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01-17-2001, 02:59 PM	#3
over 40 five oh driver Registered Member Join Date: Sep 1998 Location: Oklahoma City Posts: 278	Tom351 has the best solution if you have the TDC tool. If not, simply rotate engine by hand to get the balancer and timing mark at TDC or zero, reinstall distributor using the marks you did make on what I assume was distributor body to the block where it slides in? Make sure the rotor is indexed at the #1 position and mark the inner part of the distributor along with where the rotor points to on the upper intake. If it fails to start, you were off a full turn on the crank/balancer marks for TDC. Pull the cap and rotate engine by hand to get the balancer TDC mark and previous marks lined back up as before. Now, pull distributor out far enough to rotate engine by hand to get the crank/balancer around a full 360 degrees and place it back on TDC mark. Put distributor back in lining up the marks on the rotor to the #1 position again along with relative position marks on the inner part of distributor and upper intake, and, using the marks you had already made on the distributor to block. Should fire up as the crank will turn the balancer 720 degrees while the distributor only turns a full 360. If you have a TDC tool, go with Tom351 method as it will get you right on it. Good luck... ------------------ *92' GT, Keith Craft Racing 306 (10.25:1 CR), PRO-M 80mm MAF,65MM TB, Edelbrock U/L intake, TFS-TW heads milled .056" (52cc chambers), CompCams XE274HR (.555/.565" lift w/1.6 rockers), A-351 adjustable roller rockers, 30# injectors, Kirban FPR w/external pump, FRPP ceramic coated headers, Bassani X-pipe w/cats, Bassani cat back, Centerforce DF clutch/T.O. bearing...MSD 6AL w/MSD distributor, Steeda Tri axe, aluminum D/S, 3.73's, w/Factory Five U/L control arms. Lakewood 50/50 shocks. Stee [This message has been edited by over 40 five oh driver (edited 01-17-2001).]