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05-14-2010, 01:36 PM
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CC Member
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Join Date: May 2009
Location: Chandler,
az
Cobra Make, Engine: FFR, stock 5.0
Posts: 58
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Not Ranked
Anyone knows how to assemble a 302?
Well.... more like a 351w, but they are the same thing anyways 
I just got a 351w that I'm gonna rebuild and I want to learn how to assemble it myself. Anyone knows how and would like to teach me? 
-China |
05-14-2010, 01:55 PM
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CC Member
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Join Date: May 2000
Location: Northern VA,
VA
Cobra Make, Engine: Classic Roadsters
Posts: 2,765
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Yeah, . . It's kinda like a Chevy 409 only different. 
Maybe one of the folks in AZ can help ! ???
.
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05-14-2010, 04:15 PM
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CC Member
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Join Date: Apr 2009
Location: Phoenix,
az
Cobra Make, Engine:
Posts: 848
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I would suggest buying a book on the subject, specific to the 302/351.
There is a lot more to building a motor than just bolting parts together. Machining and cleaning of the donor block, selecting the right parts, proper assembly procedures, etc.
While watching someone is really helpfull, solid basic engine building is a must.
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05-14-2010, 04:27 PM
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CC Member
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Join Date: Jan 2003
Location: Atlanta,
GA
Cobra Make, Engine: CAV GT40 with 331 KC
Posts: 2,187
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05-14-2010, 04:31 PM
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CC Member
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Join Date: Jan 2008
Location: Sacramento, CA,
Posts: 636
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Instructions are found in the oil pan on a 3x5 card.
Sorry.... couldnt resist  |
05-14-2010, 06:07 PM
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CC Member
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Join Date: May 2009
Location: Chandler,
az
Cobra Make, Engine: FFR, stock 5.0
Posts: 58
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Not Ranked
I actually do have a book specifically on building a 302. Includes lots of pictures too.
http://www.amazon.com/Rebuild-Small-...1&sr=8-1-fkmr1
but I still have questions on it. Example: Main bearings - on a honda, you have to go off a chart on what 'color' bearings you need, because they have 8 different thickness. In the 302 I guess there is only 1 thickness. |
05-14-2010, 06:14 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Nah, theres lot's of different thickness bearings available, not colored coded though (that sounds weird, must be a Honda thing). The bearing package will come with the "undersize" marked on it, typically in .010 increments. .010, .020, .030, like that.
Myself I like to use TWO methods to verify the rod and main bearing clearance. First, measure the crankshaft rod journal, then the rod or main bearing itself, do the math. Second, I like to double check that with Plastigauge. If your math is right, the Plasitgauge should confirm it.
Don't be intimidated by those who insist Plastigauge is for sissys or not manly enough. It's manly enough for many of the professional league race teams, Ferrari for instance. It's just another confirmation step in the building process, you'd be a fool NOT to use it!
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05-14-2010, 06:40 PM
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Senior Club Cobra Member
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Join Date: Sep 2003
Location: Dawsonville,
GA
Cobra Make, Engine: 302 done, CSX289 comp body, leaf spring chassis to original specs...
Posts: 899
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Not Ranked
I agree with Pat and would highly recommend any Tom Monroe book. When I was building a 302 it was invaluable. Very complete explanations and many pictures... right down to bolt sizes, clearance, and torque specs.
Good luck.
-John
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Yeah I know I ain't nobody's bargain, But hell a little touchup, and some paint...
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05-18-2010, 09:21 AM
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CC Member
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Join Date: Jan 2000
Location: Maricopa,
AZ
Cobra Make, Engine: Car builder/restorer FFR
Posts: 439
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Bring it over. We can have it done in a morning.
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05-18-2010, 11:25 AM
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CC Member
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Join Date: Jun 2003
Location: Freedomia,,
Il
Cobra Make, Engine: Coupe,Blue w/white stripes SB; Roadster, Blue w/white stripes BB w/2-4s; SPF installer/Hot Rod-Custom Car builder
Posts: 1,376
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Quote:
Originally Posted by China
but I still have questions on it. Example: Main bearings - on a honda, you have to go off a chart on what 'color' bearings you need, because they have 8 different thickness. In the 302 I guess there is only 1 thickness.
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That's a common Japanese practice, all bikes with plain bearings have that type of system. I believe it allows two things, a closer tolerance engine and less wasted material. If a crank is undersize somewhat or the register bores a little large, the bearings compensate. On the bikes you would read the coding on the crankcase and crank( probably rods too)
and use a chart in the manual to pick bearings. It has it's advatanges/disadvantages. That's not the case with most american V8s. Not sure if they junk undersize cranks/oversize bearing registers or just regrind the cranks. Typically US engines use standard undersizes as was mentioned by Ernie. Micro polishing helps gain more clearance if needed. I think there is a reliance on the bearing crush, as well, to take up some variances. Compared to the other procedure assembling the Ford engine is almost "tossing" them together.
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WDZ
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05-18-2010, 12:44 PM
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CC Member
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Join Date: May 2010
Cobra Make, Engine:
Posts: 1
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I have built many small block fords, mostly for drag racing, what would like to know?
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05-18-2010, 03:31 PM
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Senior Club Cobra Member
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
Posts: 3,235
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This is one of the of the best books for a novice or even a seasoned mechanic that I've seen so far...........
http://www.amazon.com/How-Rebuild-Sm.../dp/0912656891
mine has many grease stains and smudges on many pages and many notes written in the margins.......I've rebuilt quite a few 302/351-W engines, but still have the book open on the work bench when assembling an engine.....has all the torque specs, crank/rod journal specs and mucho info including many helpful photos!!!!!!!!!!!!
David
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DAVID GAGNARD
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05-19-2010, 10:24 AM
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CC Member
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Join Date: Apr 2009
Location: Phoenix,
az
Cobra Make, Engine:
Posts: 848
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Besides the book, you need experience in the areas of cleaning, scraping, and sweeping. I could help you these.  |
05-19-2010, 11:02 AM
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Senior Club Cobra Member
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
Posts: 3,235
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Quote:
Originally Posted by Car Nut
Besides the book, you need experience in the areas of cleaning, scraping, and sweeping. I could help you these. |
My first lesson in engine building (really assembling an engine) was to wash the block inside and out 2 or 3 times, then go and wash all the tools you think you might use, inside and out till they shine like brand new..........
David
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DAVID GAGNARD
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05-19-2010, 01:29 PM
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CC Member
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Join Date: May 2008
Location: Sacramento,Ca.,
Ca.
Cobra Make, Engine: Midstates (2001)
Posts: 1,724
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Not Ranked
If you pay attention on how you take it appart.....
you should be just fine putting it back together.....
do get the books and study them and make friends
with the machinest....he can help you out when you
have questions........
theres nothing like being able to say you assembled your first
engine and it runs........hopefuly.......without makeing some funny noises....
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