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  #16  
Old 03-17-2011, 10:15 PM
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Nevada Al Nevada Al is offline
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I would also love to see what that motor pushes on the dyno....
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  #17  
Old 03-26-2011, 08:02 PM
lonnie1952 lonnie1952 is offline
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Nice build...I love EFI
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  #18  
Old 03-30-2011, 10:22 PM
grayfoxbody grayfoxbody is offline
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I am building similar speed density setup hypereutectic flat tops e7 heads exhaust port opened up & polished compress ratio 9.5 comp cam 34-255-5 cam try to finish this week install next week! no time to dyno til i get back from japan?
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  #19  
Old 12-16-2012, 01:51 PM
lesoster lesoster is offline
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Ultimate EFI Build

re-post aaaaaaa
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  #20  
Old 12-16-2012, 01:55 PM
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Ultimate EFI Build (Re-Post)

Quote:
Originally Posted by lesoster View Post
I am submitting this post to give thanks to this web site which has helped to contrubute to a successful engine build.

My truck is a 97 F-250HD, 4x4, long bed, extended cab, w/E40D automatic trans, with 167,000 trouble free miles, other than a leaking rear main oil seal.

Like many of you I was looking for more power out of my 460, so I decided to do a major rebuild and install some aftermarket components to provide additional power, while utilizing the stock EFI system so I can pass our lovely California smog test.

I an delighted to say that this build met my expectations. The following is a list of the aftermarket components that were installed during the engine build process.

a. Comp Cams #34-255-5 EFI performance cam, with new valves, springs and lifters.
b. Pocket port cylinder heads.
c. Doug Thorley "Try-Y" headers, #THY-214Y-F16-C
d. 3" Bullett performance mufflet and exhaust pipe.
e. BBK Twin Throttle Body, Summit #BBK-3502
f. BBK Adjustable Fuel Pressure Regulator (set @ 41 PSI), Summit #BBK- 1707.
g. BBK Fuel Regulator Gauge, Summit # BBK-1617
h. new 4-row (all metal) radiator, Summit #PLI-436009
i. Heavy duty torque converter from Midwest Converters, #F59-1BRY
j. Banks Trans Command, electronic transmission control module.
k. Timing advanced to 12 degrees BTDC

In addition to the above aftermarket parts, I also installed new pistons, 0.030 over.

Although I do not have any documented Dyno results to share with you, I can truthfully say that the increased power is a noticable improvement, especially at 1/2 throttle. I can now haul heavy loads and tow my Jeep over steep mountian passess in 3rd gear without the need to go to 2nd gear, full throttle. My milage under normal, unloaded conditions has risen from the previous 10 MPG to now 12 MPG.

If you want a dependable engine, utilizing the stock EFI system, this build should be just the thing for you.
Re-Post this article
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  #21  
Old 01-08-2013, 01:35 AM
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So what did this motor build cost?
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  #22  
Old 02-19-2013, 05:49 PM
BII Plow Truck BII Plow Truck is offline
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Eagerly watchig this thread because I just bought a 24,000 mile 1990 E350 RV and want to do some basic "Leave the engine installed" mods.
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  #23  
Old 02-20-2013, 09:20 AM
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I'd guess the thread has run its course, already.
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  #24  
Old 02-25-2013, 02:55 PM
oldmanbergie oldmanbergie is offline
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Hi guys, hope some one can help. Trying to put together a new 460 for my old 1986 350 4 door dually, gas. The old block had 5 cracked pistons and a striped head bolt. I am not having good luck finding a good short block, for a gas engine. I just picked up what was a early D9TE-AB truck short block, was told it cane from a tow truck with a gas engine??? When i looked at the pistons they didn't look wright, now i am sure this engine is EFI !!!Was wondering if any one has used EFI block with early D3VE-A2A heads summit SUM-3501 cam hyd lift, int. 503 ext. 503 duration 276/286. Aluminum intake holley 650 cfm carb. Do i have to start looking for a gas short block, or can this EFI block work? Will the valves hit the pistons?? Will the compression be to high, and require hi test gas ?? THANKS IN ADVANCE RICK.
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  #25  
Old 03-05-2013, 12:16 PM
BII Plow Truck BII Plow Truck is offline
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Quote:
Originally Posted by lesoster View Post
c. Doug Thorley "Try-Y" headers, #THY-214Y-F16-C
How much do headers really add to a stock 460 EFI?

According to this Four Wheeler article, it's 11 hp...
http://performanceunlimited.com/proj...ine_series.pdf


If my manifolds aren't leaking, I'm not sure it's worth risking breaking studs for 11 hp.

.

Last edited by BII Plow Truck; 03-05-2013 at 12:17 PM. Reason: Link format
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  #26  
Old 03-05-2013, 08:21 PM
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It's mentioned about a bbk fuel regulater.,would this be a good bolt on power upgrade?and from summit?mines a 93 250 4*4,460 long tube headers dumping into stock exhaust.
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  #27  
Old 06-03-2013, 06:03 AM
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cortina219 cortina219 is offline
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Quote:
Originally Posted by Florida 350 View Post
Thanks. I got it on last weekend. Took about 20 minutes and was a piece of cake. Only thing I had to do was borrow an o ring off the original regulator. I also put on the bbk gauge and have it set at ~41 pounds. Since I was taking off the air tubes anyway, I went ahead and cut out those goofy factory air horns. Yeah. Should have done hat 2 years ago if I would have known They were in there!! Complete woke up truck. I have WAY more gear in all 5 speeds as it's able to breathe. Happy with it all in all.

Lots of helpful info on this site. I appreciate everyone's input. Thinking about doing the rhp intake next!!
Hi I am re-building my 460 EFI engine now and am also replacing my fuel reg but I read something about removing air horns can you please tell me what this is about thanks Adam
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  #28  
Old 06-15-2013, 12:34 PM
Forger Forger is offline
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Take apart your whole intake (airbox to throttlebody) and you'll see. Or do a search.
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  #29  
Old 01-01-2014, 02:00 PM
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460 EFI Ultimate Build - Re Post

I've been asked to "Re Post" my original article.
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  #30  
Old 03-10-2014, 03:09 PM
saxxbills saxxbills is offline
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I have a 1997 Ford F250 HD 460 4x2 and have a similar setup. I have everything but the fuel pressure regulator. It was like looking at my engine specs. I have my timing set to 17 btdc and seems to be just fine. Tons of power. I am going to do the pressure regulator to finish it off. Thanks for the writeup.
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Old 03-10-2014, 03:09 PM
 
 
 
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