292 timing problems
Thread Starter
|
Freshman User
Joined: Nov 2012
Posts: 43
Likes: 0
292 timing problems
Okay im timing my 292 and im doing it by the book, i have a mild isky cam replacing the stock cam... while lining the marks up the valves dont seem to be right. Are the valves suppose to be in the middle of opening and closing when the marks are lined up?
They are both pointed to the right with 12 link pins in between
They are both pointed to the right with 12 link pins in between
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Sounds like you're doing it right. Both at 3 o'clock, 12 pins, etc.
Never actually done this, but not sure what you're asking exactly, there are always valves opening and closing (obviously) - but, there are two revolutions of the crankshaft required to complete one iteration through the engine, so make certain for example when TDC on #1 cylinder after the compression stroke both valves will be closed, the distributor is lined up to #1, etc.
Should be able to follow the firing order as the crank is turned 1/4 rotation through each of the cylinders and watch for proper valve action throughout?
Never actually done this, but not sure what you're asking exactly, there are always valves opening and closing (obviously) - but, there are two revolutions of the crankshaft required to complete one iteration through the engine, so make certain for example when TDC on #1 cylinder after the compression stroke both valves will be closed, the distributor is lined up to #1, etc.
Should be able to follow the firing order as the crank is turned 1/4 rotation through each of the cylinders and watch for proper valve action throughout?
Thread Starter
|
Freshman User
Joined: Nov 2012
Posts: 43
Likes: 0
Ik im doing it by the book but its hard to explain, so i have both marks at the proper location... i have the valve cover off the passenger side as that is what the book is saying the #1 cylinder is located. When the marks are in the proper location the valves at #1 are in the process of switching from intake to exhaust...
Always thought #1 would be the closest cylinder toward you and that side is on the driver side. Am i reference #1 on the wrong side?
Always thought #1 would be the closest cylinder toward you and that side is on the driver side. Am i reference #1 on the wrong side?
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
#1 Y block cylinder is the forward most, passenger side. The book is correct there.
I don't see where the valves particular position "matters" insofar it is what it is, when the timing set marks are aligned at 3 o'****. I mean it matters but unless it's completely different than before?
Just get everything set up and walk it through two revolutions of the crankshaft - in firing order 15486372 and observe that each intake opens when it should, exhaust closes when it should, both valves closed on compression, etc etc. That's what matters.
I don't see where the valves particular position "matters" insofar it is what it is, when the timing set marks are aligned at 3 o'****. I mean it matters but unless it's completely different than before?
Just get everything set up and walk it through two revolutions of the crankshaft - in firing order 15486372 and observe that each intake opens when it should, exhaust closes when it should, both valves closed on compression, etc etc. That's what matters.
Senior User
Joined: Dec 2003
Posts: 443
Likes: 3
# 1 on the passenger side is where Ford put it. It does not really matter where you think it should go.
That sounds Right.
That means it's on the compression stroke. The cam key should be at about 7 Oclock with the cam and crank dots at about 3 O clock with 12 links between...both valves closed....sounds good to me.
I thought about this some and I can see whats confusing you. I think you are looking at as if both wheels are the same size. The crank spins much faster than the cam.
You can always check it by placing your finger in the spark plug hole and spinning it over by hand. Make sure all the plugs are out. When you fell the pressure...check your mark. I bet it will be back where you are now.
Fords V8 1234 on passenger.....5678 on drivers side. 1 & 5 are the front cylinders.
When the marks are in the proper location the valves at #1 are in the process of switching from intake to exhaust...
That means it's on the compression stroke. The cam key should be at about 7 Oclock with the cam and crank dots at about 3 O clock with 12 links between...both valves closed....sounds good to me.
I thought about this some and I can see whats confusing you. I think you are looking at as if both wheels are the same size. The crank spins much faster than the cam.
You can always check it by placing your finger in the spark plug hole and spinning it over by hand. Make sure all the plugs are out. When you fell the pressure...check your mark. I bet it will be back where you are now.
Fords V8 1234 on passenger.....5678 on drivers side. 1 & 5 are the front cylinders.
Trending Topics
Fleet Mechanic
Joined: Jan 2014
Posts: 1,529
Likes: 271
From: Billings Montana
Just make sure that when you have the dampner back on and set at top dead center by the marks on the dampner that both valves are closed on #1
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Ford Super Duty: 5 Things Owners LOVE, 5 Things They LOATHE!
Joe Kucinski
Every 2026 Ford Truck Engine RANKED from WORST to FIRST!
Michael S. Palmer
The Best F-150 Deal of Every Trim Level (XL through Raptor)
Joe Kucinski
Thread Starter
|
Freshman User
Joined: Nov 2012
Posts: 43
Likes: 0
So you could be saying that the timing marks on the timing chain gear doesnt necessarily mean that its at top dead center when lining those marks up, it will go to tdc when doing ignition timing
Fleet Mechanic
Joined: Jan 2014
Posts: 1,529
Likes: 271
From: Billings Montana
Don't know for sure but it is a possibility. Every other motor I have rebuilt in my life you put the chain on and line the marks up on the gears and bolt them down. The Y that I built I would have done it the same way except I read the shop manual first and I just scratched my head when I read how to do it. I did it that way and low and behold it worked. Go figure. But then again the firing order and the cylinder numbering is all messed up to.
Cargo Master
Joined: Apr 2003
Posts: 2,389
Likes: 58
At the tdc indication on the damper, either #1 or #6 will be at tdc of compression.
Thread Starter
|
Freshman User
Joined: Nov 2012
Posts: 43
Likes: 0
Thank you! So when the dots are aligned correctly the valves are overlapping and its not at tdc, you cleared it all up for me and i really appreciate the help! I didnt want to start it up and have all my hard work go to waste