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#1 |
Registered Member
Join Date: Dec 2004
Location: Seattle, WA
Posts: 44
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![]() It has been suggested that I consider a crate 302 (from a reputable remanufacturer) w/ larger 1.84/1.52 Valves and Bowl hog, a larger cam and a 351W firing order. From a "horsepower" point of view, what advantages does this hold over a regular 302? What does the 351W firing order add?
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trn6d7kll "...I will rain down upon thee with great vengance and furious anger......." -Jules W. |
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#2 |
Registered Member
Join Date: Dec 2004
Location: South Central PA
Posts: 358
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![]() As far as I know, the staggered firing order is better for the overall efficiency of the engine... The 1-5-4-2-6-3-7-8 fires too many cylinders that are adjacent relative to the 1-3-7-2-6-5-4-8 order... resulting in better balance.
5/1 6/2 7/3 8/4 |
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#3 |
Knuckle-Basher
Join Date: Mar 2005
Location: Stockton, CA
Posts: 249
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![]() I always figured this was balanced better. Is this something that can/should be done with a 289?
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Matt's '65 Coupe http://s178.photobucket.com/albums/w277/deltamustang65/ If Nissan Motorsports = NISMO, wouldn't Honda Motorsports = HOMO? |
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#4 |
Registered Member
Join Date: Nov 2004
Location: Austin
Posts: 88
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![]() i have a 306 what are the advantages to the 351 fireing order. and if i decited to do this. do i need to adjust anything to make it run correctly?
matt
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65 mustang GT, Matallic Ferrari red,306 Cobra, Edelbrock 1406 modifiied ,Edelbrock Performer manifold, C6 , Edelbrock shorties and exhaust system. My 65 |
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#5 |
Registered Member
Join Date: Sep 1998
Location: Oviedo, FL
Posts: 992
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![]() I understood from Ford engineers, back in the day. That they changed to the 351W firing order to ease the load on the front main bearing.
If you want to change your 289,302 to the 351W firing order. All you have to change is the camshaft and then rearrange the spark plug wires in the dist. cap to the 351W firing order.
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"Support our Troops" Dave 1968 Cougar 2004 Thunderbird 2007 F150 Harley-Davidson, SuperCrew 1986 LTD 1997 Ranger 1992 Honda Civic |
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#6 |
Registered Member
Join Date: Nov 2006
Location: Rgv
Posts: 10
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![]() hey, i have a 306,with a E303 cam is that good enough to try the 351w firing order and will it help me in the quarter mile.or it's just going to make my stang sound like it's braking down?? gearhead999, pillyfanfrombirth ,can you all tell me. anyone!!!!
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#7 |
Ride Hard
Join Date: Oct 2000
Location: Wyoming IL
Posts: 1,094
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![]() PDR-
Your cam (E303) is what decides your firing order. You already have the 351w firing order. Ryan
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65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored |
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#8 |
Registered Member
Join Date: Nov 2006
Location: Rgv
Posts: 10
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![]() thanks, man i will try it and see how it goes
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#9 |
Registered Member
Join Date: Nov 2006
Location: Rgv
Posts: 10
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![]() thanks, i will try it and see what happens
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#10 |
Registered Member
Join Date: Aug 2006
Location: budds creek md
Posts: 100
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![]() i was told by comp cams it lessens the load on the front main bearing. i dont undedrstand if the 1372 order is better then why do all the cam companys still offer a choice when all cams between 289-302-351w are interchangeable and does not matter year , crank etc.
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