LOOKING FOR ENGINE UPDATE?
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LOOKING FOR ENGINE UPDATE?
HAVE A 78 BRONCO 351M/C6/203T/C RUNS GOOG, RUNS HOT, AND IS GUTLESS AND A PIG ON GAS.. NOW THE WIFE HATES IT, I HAVE NOW AQUIRED IT AS MY DRIVER..HEE HEE HEE HEE!!! I NEED SUGGECTIONS ON ENGINE CHOICES DON'T NEED A MAJOR STUMP PULLER... JUST A GOOD OVER ALL DRIVER. NO EMISSIONS WHERE I AM EITHER.. LOOKING FO RTHE BEST OF BOTH WORLDS, DONT MIND CHANGINIG DRIVE LIN IN FUTURE IF NEEDED... GO WITH THE 460 BOLTS UP? NO OVERDRIVE BAD GAS MILEAGE.. 351M CAMED AND INTAKE AND CARB/HEADERS?...NO OVER DRIVE... A BUILT TORQUEY 302 OR 351 W WITH AN AOD.... BE ENGOUHT OTO PUSH 78 TRUCKS WEIGHT? 32X15 TIRES ON 3:55 GEARS. AND BEING A DIESEL GUY, I THOUGHT OF THIS AS AN OPTION. 6.9 OR 7.3 IDI DIESEL, OR CUMMINGS 12V OR CUMMINGS 4BT? LOOKING FOR A DAILY DRIVER DRIVEABILITY WITH RESPECTIABLE FUEL MILEAGE. WITH OCCASIONAL TAILER TOW.. WHAT HAVE ANY OF YOU GUYS DONE AND OR THOUGHTS OF CHOICES?
KINDA NEED TO KEEP AUTOMATIC, BUT LOOKING INTO A STICK SHIFT AS WELL WITH AN OVER DRIVE...
KINDA NEED TO KEEP AUTOMATIC, BUT LOOKING INTO A STICK SHIFT AS WELL WITH AN OVER DRIVE...
Posting Guru
Joined: Oct 2007
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From: Sedro-Woolley, WA
Fast, cheap and easy would be an upgraded 400.
I always keep an eye out for any automotive 4BTs but, around here anyway, they are like hens teeth.
I definitely want to do a build with one though.
I always keep an eye out for any automotive 4BTs but, around here anyway, they are like hens teeth.
I definitely want to do a build with one though.
Cargo Master
Joined: Apr 2009
Posts: 3,038
Likes: 4
From: South west Idaho
Pulled the 400 out of my old 79 bronco about 20 years ago and replaced it with a 460 of the same year. Lot's more power and even with the worst 4/bl holley ever made it still got about the same MPGs that the 400 got with the motorcraft 2/bl. Luckily i had ever thing i needed from a 79 f-150 super cab.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
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From: NorCal
PM me if you decide to go 460.... I picked up swap plates (TransDapt 9433) complete with motor mounts for dirt cheap and will pass along the sweet deal.
http://www.summitracing.com/parts/trd-9433
http://www.summitracing.com/parts/trd-9433
Posting Guru
Joined: Feb 2011
Posts: 1,128
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From: sacramento
There is people reporting about 26 mpg with a 4bt cummins so that's something to think about if you can find one cheap enough the change in fuel bill will pay for the motor quick lol
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Laughing Gas
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From: Southern Illinois
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Elder User
Joined: Apr 2008
Posts: 542
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From: Dixon, IL
4Bt would be my first choice, but for way cheaper, you could do a 400 and add an OD trans. I've been thinking about adding a GM 700R4 (3.06 first gear, .70 OD) or a 4L80e. The adapter kit is like $700, but you can make that back in gas money very quickly.
Cargo Master
Joined: Apr 2009
Posts: 3,038
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From: South west Idaho
__Ha ha , helps if you understand Text messaging , i don't , i went to school for a reason . Just have to try and read it then give some kind of help.__
Posting Guru
Joined: Oct 2007
Posts: 1,144
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From: Sedro-Woolley, WA
I hear 20+ mpg from the CJ guys all the time but then they are the ones who are creating the 4BT shortage.
Posting Guru
Joined: Feb 2011
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From: sacramento
My number came from a guy on full size bronco forum. He was gettin about 26 with 3.55 gears and 36 inch tires.
Posting Guru
Joined: Oct 2007
Posts: 1,144
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From: Sedro-Woolley, WA
If I do happen across a good deal on a 4BT that is probably what I would put in too.
That is unless I find a screaming deal on a 77 and down decent Bronco.
For a full size pickup I think I would prefer a 6A or B, tall gears and an OD/UD.
Elder User
Joined: Feb 2011
Posts: 575
Likes: 6
From: Knoxville, TN
You said it's your daily driver now....we'll this is everything you'll need even if it's not your daily driver.
Then again, you can put in a small block, or a blown big block. You'll need to narrow down your long term plans with what you want to do so you can choose your engine more wisely.
Laughing Gas
Joined: Jul 2012
Posts: 1,123
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From: Southern Illinois
But I won't fight through that cluster fck.
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