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Author Topic:   Assembling a SBF 302
65ponycar
Gearhead

Posts: 819
From: Dayton, OH
Registered: Jul 2003

posted 01-08-2005 09:46 PM     Click Here to See the Profile for 65ponycar   Click Here to Email 65ponycar     Edit/Delete Message   Reply w/Quote
I have purchased an assembled/rebuilt 302. After firing the engine and driving <50 miles it developed a strong vibration and a knock.

I want to learn how to tear an engine down and re-assemble it. First questions I have are what books should I purchase and what "special" tools will I need?

Hopefully it will be bearing related, and I will not have to rip into the shortblock any at all.

Thanks, Dan

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steve'66
Gearhead

Posts: 9489
From: Sonoma,CA,USA
Registered: Mar 2000

posted 01-08-2005 11:06 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Dan,

The bearings are in the shortblock.

Lots of special tools involved. Are you sure it isn't something simple like ignition ... I can hope for you,,

Tell us everything.

SteveW

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bluestreek
Gearhead

Posts: 1724
From: Athens,GA
Registered: Jul 2001

posted 01-08-2005 11:27 PM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote
Busted flywheel can cause a vibration and knock. So can a rocker arm problem.

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1966 Mustang Coupe: Custom glass hood and BIG scoop sits atop a 289 stroked to 331 c.i., Steel crank, rods and girdle, TFS alum. heads, Stealth 8020 intake, Xtreme 268 Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi.
11.50 @ 116 mph (7.33 @ 93 mph)daily driver!
DanH

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65ponycar
Gearhead

Posts: 819
From: Dayton, OH
Registered: Jul 2003

posted 01-09-2005 12:01 AM     Click Here to See the Profile for 65ponycar   Click Here to Email 65ponycar     Edit/Delete Message   Reply w/Quote
ah man. I'm in over my head. I need to read up on this before I commit to even trying to do this myself. Any recommendations on books?

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steve'66
Gearhead

Posts: 9489
From: Sonoma,CA,USA
Registered: Mar 2000

posted 01-09-2005 12:07 AM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Go here for books,

http://mustangsandmore.50megs.com/Pages/Bookstore.html

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exlocal
Gearhead

Posts: 688
From: hacienda hts., CA, USA
Registered: Dec 2004

posted 01-09-2005 12:10 AM     Click Here to See the Profile for exlocal     Edit/Delete Message   Reply w/Quote
Try explaining the symptoms first. Is the vibration and knock under power or coasting, or both? Did the tranny come out during the engine change?

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65ponycar
Gearhead

Posts: 819
From: Dayton, OH
Registered: Jul 2003

posted 01-14-2005 04:02 PM     Click Here to See the Profile for 65ponycar   Click Here to Email 65ponycar     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by exlocal:
Try explaining the symptoms first. Is the vibration and knock under power or coasting, or both? Did the tranny come out during the engine change?


The vibration and knock only occur under power, i.e. as you accelerate into higher RPMs. The c4 was removed and reconditioned, new bellhousing (v8) and torque converter were added. Here is a link to a prior posting; all recent info is toward the end... NEW MOTOR HELP

Please note that I lost ALL oil pressure, albeit a short time the motor ran with zero pressure, but it did.

Thanks for any help, Dan

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mustangboy
Gearhead

Posts: 1098
From: Ont, Canada
Registered: Mar 2002

posted 01-14-2005 04:29 PM     Click Here to See the Profile for mustangboy     Edit/Delete Message   Reply w/Quote
I've always liked the "how to rebuild your smallblock ford" by Tom Monroe.Excellent book with pics and he takes the time to explain some things to watch out for.

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1968 mustang j-code sprint.13.69@101 306cu.in, stock ported heads,weiand exellerator,650 holley DP,hedman hedders,comp 292 Magnum cam,4-speed,8 inch 4.11 detroit locker http://mustangsandmore.50megs.com/MembersPics/mustangboy.html

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83T-bird
Journeyman

Posts: 11
From: SC
Registered: Jan 2005

posted 01-14-2005 11:07 PM     Click Here to See the Profile for 83T-bird   Click Here to Email 83T-bird     Edit/Delete Message   Reply w/Quote
I would try to rebuild it myself. If nothing else it would be good just to learn how. The 302 is probably the easiest, and cheapest motor to rebuild. The first motor I ever rebuilt was an "81" 302, and it ran a little over $700. But I had the block and the heads hot tanked, and the block bored 30 over. Starting out I wouldn't try to mess with the heads though (unless you have a machine shop to reseat the valves yourself.

The most important thing about rebuilding the bottom end (personally) is to be sure of your bearing clearance (main bearings and rod bearings), check for out of round cylinders, crankshaft, and rod ends. and remember to hone the cylinders before reinstalling.
Also can't stress enough.....pre-oiling is the secret to engine life.
(to check out of round you need a dail indicator, not hard you use once you figure it out.)

[This message has been edited by 83T-bird (edited 01-14-2005).]

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exlocal
Gearhead

Posts: 688
From: hacienda hts., CA, USA
Registered: Dec 2004

posted 01-16-2005 12:40 AM     Click Here to See the Profile for exlocal     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by 65ponycar:

Please note that I lost ALL oil pressure, albeit a short time the motor ran with zero pressure, but it did.


Oooo, how long is a "short time"?

------------------
reliving youth

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65ponycar
Gearhead

Posts: 819
From: Dayton, OH
Registered: Jul 2003

posted 01-16-2005 10:25 AM     Click Here to See the Profile for 65ponycar   Click Here to Email 65ponycar     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by exlocal:
Oooo, how long is a "short time"?


The engine lost oil pressure while I was under the hood. The car was ideling for maybe 10-15 minutes while I was making adjustments (timing/carb). I then got in, didn't look at a gauge (dumbass on my part) and started to drive down the driveway and go around the block, that is when I noticed and shut it down immediatly.

I did not make this clear but I'm 100% it's suffering from some major oil starvation issues. Do you guys know what I might have toasted or what I can expect to be ok?

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tininjun68
Journeyman

Posts: 73
From: Middlesex, NJ
Registered: Jan 2003

posted 01-16-2005 05:18 PM     Click Here to See the Profile for tininjun68   Click Here to Email tininjun68     Edit/Delete Message   Reply w/Quote
No oil pressure? How about the pickup for the oil pump? Did you pull down the pan to check it out?

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My interests? Finishing first w/o breaking out

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