Timing on a 1995 Motor Home, 454 Chevy engine with P chassis?

Question:
The manual states that timing shhould be 4* BTC. Is says that if timing marker is on top ( one o'clock position as you look from front of engine) to use the #1 plug and if the marker is on the bottom (7 O'clock position) to use the #8 or #5 plug. My tming marker is at the 5 O'clock position. What plug do I use for timing?
Thanks

Answers:

I have a trans am, 1995...The steering goes haywire at times....?

Steve.....You always use the #1 plug for timing purposes on pre-1996 engines. That was because after '96 is when Mfg's went to OBD (on board diagnostics) computers that have sensors to adjust timing. Now in your case you need to bring the timing mark up to match with your marker on the block. Do this by bumping the starter. Make sure its on the compression(firing) stroke and go from there. Connect your timing light to the #1 plug and start the engine while watching the mark on the balancer pass the marker on the block. Putting a white chalk or paint mark on the balancer mark will really help you see it better as it passes the marker on the block. Then rotate the distributor till the line on the balancer matches the 4 degree mark on the block marker while at the specified mfg idle speed. I f ya need further help e-mail me...........Hope that does it for you...

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When to change timing belt on MGF 2001 plate - 35,000 miles on the clock at the moment.?

I confess being old school, but I have found the $ 1 plug, take the plug out, put a long screw driver down the hole, poped the dist cap, and found ware the rotor was pointing.
Have some one bump the engine, till the rotor is pointing at # 1 plug hole, and screw driver will ly have come way up.
From that point, a bit of tweeking ought to work.

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