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 9Likes
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3
Post By patrickt
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1
Post By Tommy
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3
Post By dtpcobra
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2
Post By dtpcobra
12-05-2023, 03:32 PM
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CC Member
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Join Date: Mar 2019
Cobra Make, Engine: Hi-Tech Street Roadster
Posts: 18
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Not Ranked
Experienced Insight Wanted - BBFE removal after dropped valve!
Hi all,
Well, unfortunate series of events. Started the car and heard clacking all of the sudden in the valve train area. Short story, following investigative disassembly, I have a broken valve spring, bent pushrod and collapsed lifter with damage to the cylinder wall. So, engine out is next. What is the recommended strategy to remove the long block (High-Tech Motorsports chassis HTM65C0115)?
1. Disconnect trans (Toploader) and remove the long block, after removing alternator and water pump assemblies?
2. If not possible on the above strategy, does the transmission come attached...which does not seem likely.
Thank you...appreciate the feedback.
Last edited by dtpcobra; 12-05-2023 at 03:43 PM..
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12-05-2023, 04:06 PM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 18,998
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Not Ranked
Awesome car
Don’t be discouraged
I would disconnect trans and pull motor out.
Myself I would pull tranny from the cockpit.
Easy enough then helps with engine out front.
Probably detail trans while out, Clean, paint and fluids.
Motor pops right out.
Craig has done this a lot. Might be a good sounding board.
Where are you located?
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12-05-2023, 04:28 PM
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CC Member
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Join Date: Mar 2019
Cobra Make, Engine: Hi-Tech Street Roadster
Posts: 18
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Not Ranked
Thanks for the reply, that’s what I was thinking as well. Located in Phoenix metro, Gilbert, Arizona.
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12-05-2023, 09:35 PM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 18,998
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Not Ranked
Ah
To far for me to help.
All the best on that. There is plenty of resources here.
Keep us in the loop.
We can pep talk you through it.
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12-06-2023, 05:09 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,002
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Not Ranked
And you know that if the engine went in, the engine can come out. But, pulling an engine out is easier than putting it in. You really need a helper to drop it back in.  |
12-06-2023, 05:23 AM
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CC Member
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Join Date: Mar 2019
Cobra Make, Engine: Hi-Tech Street Roadster
Posts: 18
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Not Ranked
Quote:
Originally Posted by patrickt
And you know that if the engine went in, the engine can come out. But, pulling an engine out is easier than putting it in. You really need a helper to drop it back in. |
For sure! |
12-06-2023, 07:20 AM
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CC Member
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Join Date: Mar 2019
Cobra Make, Engine: Hi-Tech Street Roadster
Posts: 18
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Not Ranked
Quote:
Originally Posted by 1985 CCX
Ah
To far for me to help.
All the best on that. There is plenty of resources here.
Keep us in the loop.
We can pep talk you through it.
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Thanks and we'll need 'm! |
12-07-2023, 01:05 PM
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CC Member
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Join Date: Feb 2006
Location: Thousand Oaks,
CA
Cobra Make, Engine: Classic Roadster
Posts: 1,367
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Not Ranked
Best to remove the hood and remove as much of the accessories as you can. Thats a heavy beast. Your engine puller will be fully extended. Approach from the side and a couple helpers to keep an eye on things.
Good luck!!
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12-07-2023, 01:11 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,002
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Not Ranked
Quote:
Originally Posted by MaSnaka
Your engine puller will be fully extended.
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Depends on your engine puller. With a Kubota you just come straight in.
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12-07-2023, 02:48 PM
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CC Member
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Join Date: Feb 2002
Location: Dadeville,
AL
Cobra Make, Engine: Sold my EM.
Posts: 2,459
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Not Ranked
A definition:
TWO-TON ENGINE HOIST : A tool for testing the maximum tensile strength of
everything you forgot to disconnect.
__________________
Tommy
Cheetah tribute completed 2021 (TommysCars.Weebly.com)
Previously owned EM Cobra
"Never attribute to malice that which is adequately explained by stupidity." - Hanlon's Razor
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12-09-2023, 11:13 PM
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CC Member
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Join Date: Mar 2019
Cobra Make, Engine: Hi-Tech Street Roadster
Posts: 18
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Not Ranked
Progress!
We did confirm that the block is a real 428 Cobra Jet block with webbing a main journals. Confirmed the broken valve spring, with bent valve as well as bent pushrod and collapsed lifter. Since this block is already at 40 over stock and therefore, not likely as candidate to sleeve the damaged cylinder wall, we are planning to look for an alternative 428 block. Leads appreciated. Alternatively, we are also investigating sources for new reproduction FE blocks (BBM or Shelby for example). Feedback welcome!
Last edited by dtpcobra; 12-09-2023 at 11:25 PM..
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12-09-2023, 11:30 PM
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CC Member
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Join Date: Mar 2019
Cobra Make, Engine: Hi-Tech Street Roadster
Posts: 18
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Not Ranked
interior tunnel removed for access to remove engine and trans together.
Last edited by dtpcobra; 12-09-2023 at 11:37 PM..
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