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-   -   Time For The Cobra To Get A New Engine - The 347 Build (http://www.motorgen.com/forum/showthread.php?t=43136)

Vettezuki 01-18-2013 07:21 PM

Quote:

Originally Posted by 94cobra69ss396 (Post 109792)
. . . I weighed all the pistons and rods and 6 were 1081g, 1 was 1082g and 1 was 1080g.

What's the tolerance of your scale?

94cobra69ss396 01-18-2013 08:38 PM

I don't know what the tolerance on it is. However, the issue was the pressure plate. It was 42g out. They had to drill the weights to get it in balance. They also marked it for me so that I can install it in the same postion that they balanced it. I picked it up tonight and will be putting it back together this weekend.

Leedom 01-19-2013 12:21 AM

Quote:

Originally Posted by 94cobra69ss396 (Post 109982)
I don't know what the tolerance on it is. However, the issue was the pressure plate. It was 42g out. They had to drill the weights to get it in balance. They also marked it for me so that I can install it in the same postion that they balanced it. I picked it up tonight and will be putting it back together this weekend.

Good luck Ron. You need to hurry up and finish it. My dad has some $$ for you to drop his 428 into his Mach.

94cobra69ss396 01-19-2013 07:42 AM

Thanks Adam. I'm getting ready to start assembling it now and I'm hoping to have it built today and then drop it in tomorrow if the winds cooperate. Tell your dad I'm in and we can set up a weekend to do it as soon as I have the Cobra done.

94cobra69ss396 01-19-2013 07:20 PM

I have the engine done and ready to drop into the car tomorrow.

94cobra69ss396 01-20-2013 08:20 PM

I only worked on it for about 4 hours today but I got the engine and trans back in. I about another 2-3 hours worth of stuff to do before I'll be able to start it.

94cobra69ss396 01-27-2013 04:29 PM

It's done and no more vibration! I actually finished it last Monday but when I started it up it had a lifter tap and was missing. It was dark by then and I was pissed so I called it a night and went inside. With the rain I and other things I wasn't able to take a look at it until today.

So this morning I pulled the TB and elbow off so I could pull the valve cover. I found that the exhaust rocker on cylinder one had backed off so I torqued it back down and put it back together. I started it back up and the lifter tap was gone but it was idling a little rough. I took it for a test drive and it was misfiring.

I then pulled the plugs to see how they looked which they all looked fine and did a compression test. All cylinders were about the same and had good compression. So I put it all back together and took a look at the MSD box. I've had issue with the box before so I bypassed it and went for a test drive. Still had the misfire!

Out of frustration I decided I would try the old plugs. I just bought new ones when I put it back together this time because the old ones which only have 800 or so miles looked a little fouled. So I put the old ones back in and would do you know, it was the new plugs. I don't know which one is bad because they all look good but at least one is.

So the car is running great, well rich but other than that great. Now I just need to come up with the money to get the final tune and see what she puts down.

Leedom 01-28-2013 10:40 PM

Nice Ron. Congrats. Was it worth it?

94cobra69ss396 01-28-2013 11:00 PM

Not sure until I get it tuned. All I know is it feels a lot more powerful than it did before. I drove it over to Phil's tonight and getting on the freeway it broke loose at 3/4 throttle in third. There's bad news though. The check engine light came on and the codes are for EGR and coolant temp sensor. I'm not sure why because they are the same as they were before but it's been the theme of this build.

Leedom 01-28-2013 11:07 PM

Its the curse of the Santa Fe.:rolling:


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