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 2Likes
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Post By incoming
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Post By spdbrake
07-24-2020, 10:41 PM
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CC Member
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Join Date: Apr 2020
Location: Victoria,
BC
Cobra Make, Engine: Classic Roadsters
Posts: 73
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Not Ranked
Help needed, weird wear marks SBF
Take a look at the photos of this timing cover off a ford 302. Just bought the car and tore down the engine. Super low mileage 88 5L.
Cracks are probably from it being overtightened at some point, but in the Center looks like wear marks. Or possible a super ****ty cast job?
Any thoughts??
Cheers
Michael
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07-25-2020, 06:04 AM
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CC Member
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Join Date: Nov 2018
Location: Priceville,
al
Cobra Make, Engine: Unique FIA
Posts: 334
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Not Ranked
Looks like a really nasty casting and possibly incorrect antifreeze? |
07-25-2020, 08:17 AM
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CC Member
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Join Date: Apr 2020
Location: Victoria,
BC
Cobra Make, Engine: Classic Roadsters
Posts: 73
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Not Ranked
I was thinking that too, but the other side - that holds the coolant(my bad-I didn’t post a picture of that side) looks fine. Just the chain side seems to be eaten away. My first thought was poor casting. But the grouping of the damage marks worried me a bit. The rest of the engine looks good though.
Thank you for the response.
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07-25-2020, 09:42 AM
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Senior Club Cobra Member
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Join Date: Jul 2000
Location: Chilliwack,BC,
BC
Cobra Make, Engine: F5 Roadster
Posts: 1,422
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Not Ranked
bolt
Looks like a bolt came loose and rattled around in there at an earlier time, actually cracked the cover in several spots. Find a new one.
Perry 
__________________
F5 cobra Mark 4 roadster, **SOLD** Ruby Wine Red with pearl,
dual 2" roll bars, warmed up 302, Edelbrock AVS carb and heads, E Street aluminum Heads, Comp cam and roller rockers, AOD, 4.10 Eaton Posi, Power Baer/disc brakes, block hugger headers, 2 1/2" under car exhaust, F500 18" black spoke wheels.
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07-25-2020, 11:18 AM
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CC Member
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Join Date: Jan 2009
Location: Las Vegas,
NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
Posts: 5,584
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Not Ranked
The rough surface inside the irregularities says it's coming from inside to outside. Those are casting globs. The interior was "finished off" because it was "good enough". The rest of the cracks are due to casting failures in the rest. It's a bad part that should never have been used.
__________________
Cheers,
Tony
CSX4005LA
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07-25-2020, 11:28 AM
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CC Member
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Join Date: Apr 2020
Location: Victoria,
BC
Cobra Make, Engine: Classic Roadsters
Posts: 73
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Not Ranked
Looking at it more I think I agree with Tony. I was worried that something came loose or was rattling around, but if that was the case you’ll see more circular patterns from either the timing chain or the retaining bolts hitting the case. These are randomly spaced but more to the center. Just a crap cast job that should never have been used. And now cracked- possibly from overtightening but also weakened from the holes and imperfections from casting.
Got a new one on order.
Anyway, thank you guys for the input. I’m grateful for everyone’s thoughts and responses
Hopefully I’ll have this cobra on the road by next summer. I’ve never even driven one before! So excited. I can only imagine how fun it’ll be to drive.
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07-25-2020, 12:41 PM
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CC Member
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Join Date: Sep 2017
Location: Frederick,
CO
Cobra Make, Engine: ERA FIA 2158, ERA 427SC 649 sold
Posts: 179
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Not Ranked
Looks like a bad of casting, could be coolant seeping through from the water pump side.
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07-25-2020, 01:10 PM
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CC Member
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Join Date: Apr 2020
Location: Victoria,
BC
Cobra Make, Engine: Classic Roadsters
Posts: 73
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That’s a possibility as well! Everything else in the engine looked good thankfully. It has about 40-50,000 total miles. But is from 1988.
I’m quite pleased with all of the responses from you guys. And quick too. I think this might be my first time posting on a forum. I don’t know why I’ve waited so long - everyone is so helpful with their input.
The cover is getting replaced for sure, but my OCD mind makes me inquire as to why this happened.
Also replacing the water pump, oil pump, harmonic balancer, heads, cam, lifters, rockers, pushrods, pistons, rings, bearings, bolts, gaskets, clutch, bearings and a ton of other things. Probably would have been cheaper to order a long block but not as fun.
Cheers
Michael
Oh! Has anyone tried the gear set for the T-5’s that apparently strengthens them good to ~600FP
Or I should say, anyone running a stock T5 WC that’s blown out the gears? Maybe I should start a different tread to ask that.
Anyway- hope you’re all enjoying the weekend. Beautiful weather here
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07-25-2020, 04:00 PM
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CC Member
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Join Date: Jun 2019
Location: Pasadena,
MD
Cobra Make, Engine: VMS BDR2058
Posts: 10
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Not Ranked
Coronavirus!
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08-04-2020, 10:54 AM
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CC Member
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Join Date: Sep 2018
Location: Jacksonville,
FL
Cobra Make, Engine: B&B-McGill
Posts: 57
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Not Ranked
Quote:
Originally Posted by MGM
That’s a possibility as well! Everything else in the engine looked good thankfully. It has about 40-50,000 total miles. But is from 1988.
I’m quite pleased with all of the responses from you guys. And quick too. I think this might be my first time posting on a forum. I don’t know why I’ve waited so long - everyone is so helpful with their input.
The cover is getting replaced for sure, but my OCD mind makes me inquire as to why this happened.
Also replacing the water pump, oil pump, harmonic balancer, heads, cam, lifters, rockers, pushrods, pistons, rings, bearings, bolts, gaskets, clutch, bearings and a ton of other things. Probably would have been cheaper to order a long block but not as fun.
Cheers
Michael
Oh! Has anyone tried the gear set for the T-5’s that apparently strengthens them good to ~600FP
Or I should say, anyone running a stock T5 WC that’s blown out the gears? Maybe I should start a different tread to ask that.
Anyway- hope you’re all enjoying the weekend. Beautiful weather here |
I'd suggest to start a new thread in the transmission section regarding the gears. I would like to see any responses.
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