Catastrophic Engine failure. 454 gen 6
08-05-2021 | 02:11 PM
#64
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From: SE Virginia/NH
08-05-2021 | 03:08 PM
#65
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From: Virginia Beach
Get the factory timing set that comes with the retainer plate and be done with it. No need to degree it.
08-05-2021 | 04:31 PM
#66
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From: Western Pennsylvanoa
The 0/keyway is lining up with the alignment dot on the cam gear. There should be a corresponding dot on the crank gear that lines up with the dot on the timing gear for 0/straight up.
They way was installed, the cam was very advanced leading to intake valves smacking pistons.
Could have been a lot worse.
Dave, make sure to get the intake valves checked. It was pretty noise when running and pictures make it look like they were all touching.
**Edit - I saw you mentioned above that you had new valves.
They way was installed, the cam was very advanced leading to intake valves smacking pistons.
Could have been a lot worse.
Dave, make sure to get the intake valves checked. It was pretty noise when running and pictures make it look like they were all touching.
**Edit - I saw you mentioned above that you had new valves.
08-06-2021 | 08:59 AM
#67
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From: SE Virginia/NH
It ran beautiful (exhaust sounded great) up to 2k rpms, but didn't make enough power to even get on plane.
In the interest of being honest and not bashing a vendor who doesn't deserve it... The markings got covered with assembly lube. The timing set was perfect. I pulled the cover last night and just shook my head.
New piston and rings are in. Bearings all look good. Now to decide what to do about the oil pickup. I ordered a Moroso that gets bolted on, but it's 1/2" shorter than the one I had in there. Worse comes to worse I'll weld a tab on the old new one. I could braze it's but I'd rather have it bolted in.
One last thing, before I took the 1,3,5,7 head off, I turned the motor over to line up the timing and what a surprise, contact. I didn't have contact when I first built it because the lifters weren't pumped up. When I pulled the head it was smooth again.
In the interest of being honest and not bashing a vendor who doesn't deserve it... The markings got covered with assembly lube. The timing set was perfect. I pulled the cover last night and just shook my head.
New piston and rings are in. Bearings all look good. Now to decide what to do about the oil pickup. I ordered a Moroso that gets bolted on, but it's 1/2" shorter than the one I had in there. Worse comes to worse I'll weld a tab on the old new one. I could braze it's but I'd rather have it bolted in.
One last thing, before I took the 1,3,5,7 head off, I turned the motor over to line up the timing and what a surprise, contact. I didn't have contact when I first built it because the lifters weren't pumped up. When I pulled the head it was smooth again.
Last edited by HawkX66; 08-06-2021 at 09:06 AM.
08-06-2021 | 09:47 AM
#70
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From: SE Virginia/NH
I am, but you really should braze the pick up on. The pickup is just a press fit unless you're talking about something else I'm not picturing.
Thanks. Hopefully the humidity stays reasonable for a while like it is right now. Makes working on the boat so much nicer not having to bathe the parts in sweat.
I need to throw a new lower shift cable in before I drop the motor back in. Other than that this won't be bad to finish up.
Thanks. Hopefully the humidity stays reasonable for a while like it is right now. Makes working on the boat so much nicer not having to bathe the parts in sweat.
I need to throw a new lower shift cable in before I drop the motor back in. Other than that this won't be bad to finish up.
