New Factory Replacement Engine
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Joined: Sep 2001
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Whats the powertrain call center? Is it Ford?
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http://www.jasperengines.com/gas-engines.php
A jasper engine will never make you sorry you bought it.
Tim
A jasper engine will never make you sorry you bought it.
Tim
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nothing against what your saying here, but a 300k mile motor isnt something you see everyday. I for one have not had a factory motor last me more than 200k miles, but i am fairly hard on my stuff, and the fact of the matter is..its only a factory motor once.
With that being said, look at what the police rely on day in and day out, aluminum headed 4.6L motors, and those get run to 300k miles all the time, they have little to no issues. Any nonsense you may or may not have heard about aluminum head reliability is just that, nonsense, the aluminum heads produced in the aftermarket are actually far superior quality to those that ford spits out on the 4.6/5.4 motors. Nothing against it if you want to keep iron heads, but aluminum heads will actually let you run more compression on a lower octane gas btw.
If your not looking for a whole lot more power, than some aftermarket iron heads might be the ticket, but like you said, most crate motors come with aluminum heads now, which isnt necessarily a bad thing, but if your dead set on iron heads..then i guess you wouldnt want that. Just my .02
With that being said, look at what the police rely on day in and day out, aluminum headed 4.6L motors, and those get run to 300k miles all the time, they have little to no issues. Any nonsense you may or may not have heard about aluminum head reliability is just that, nonsense, the aluminum heads produced in the aftermarket are actually far superior quality to those that ford spits out on the 4.6/5.4 motors. Nothing against it if you want to keep iron heads, but aluminum heads will actually let you run more compression on a lower octane gas btw.
If your not looking for a whole lot more power, than some aftermarket iron heads might be the ticket, but like you said, most crate motors come with aluminum heads now, which isnt necessarily a bad thing, but if your dead set on iron heads..then i guess you wouldnt want that. Just my .02
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Joined: Jan 2008
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From: Maine, Virginia
I have 100K on the engine now and it purrs like she did the day she was returned to me. My brother in law keeps telling me to mindful of the oil pump as the engine has crested 100K.
Other parts of the truck are becoming a nuisance now, I'm starting to become slightly disenchanted with an old truck that has 200k on the clock.
With all that I've heard and read, jasper engines seem to be the highest quality rebuild that you'll find.
Tim
Posting Guru
Joined: Mar 2005
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From: Central,Texas
but seeing is believing in person about Fords 100,000 mile tune up with there MOD motors, GM.s LS motor i would take over a 5.4 any day !
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If i were you i would upgrade the motor while your doing this , A motor with a mild cam & better heads is going to run better than stock , better milage & will last just as long . I wouldn't spend the money on aluminum heads unless your doing to do some serious building , So do you want stock , better than stock , or fast ???? I like the last one ... Lew
pedant
Joined: Jan 2008
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From: EXTREME southwest CT
You were involved in the thread I linked to......
BTW, the rebuilder I used offers all different levels of crate motors.
http://www.promarperformanceengines....te_engines.asp
Aluminum heads on the 351W H.O.(of course) to help stave off detonation.
I bought the standard level rebuild 460, and have been happy for a year and a half.
These guys were within 100 miles and delivered that afternoon.
I'm sure there are other reputable rebuilders, and of course national chains like Jasper that take pride in what they do and will stand behind their product.
BTW, the rebuilder I used offers all different levels of crate motors.
http://www.promarperformanceengines....te_engines.asp
Aluminum heads on the 351W H.O.(of course) to help stave off detonation.
I bought the standard level rebuild 460, and have been happy for a year and a half.
These guys were within 100 miles and delivered that afternoon.
I'm sure there are other reputable rebuilders, and of course national chains like Jasper that take pride in what they do and will stand behind their product.
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You were involved in the thread I linked to......
BTW, the rebuilder I used offers all different levels of crate motors.
http://www.promarperformanceengines....te_engines.asp
Aluminum heads on the 351W H.O.(of course) to help stave off detonation.
I bought the standard level rebuild 460, and have been happy for a year and a half.
These guys were within 100 miles and delivered that afternoon.
I'm sure there are other reputable rebuilders, and of course national chains like Jasper that take pride in what they do and will stand behind their product.
BTW, the rebuilder I used offers all different levels of crate motors.
http://www.promarperformanceengines....te_engines.asp
Aluminum heads on the 351W H.O.(of course) to help stave off detonation.
I bought the standard level rebuild 460, and have been happy for a year and a half.
These guys were within 100 miles and delivered that afternoon.
I'm sure there are other reputable rebuilders, and of course national chains like Jasper that take pride in what they do and will stand behind their product.
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Joined: Sep 2001
Posts: 11,958
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The long block is F4TZ6V012CRM from what Ed said before.
The price from Fordtruckpartsguy.com is MSRP $2,000.00 CORE $400.00 PRICE $1,800.00
http://www.trademotion.com/partlocat...&siteid=215005
The price from DirectFordParts.com is MSRP 2,000.00 CORE $400.00 PRICE $1,774.50 .
http://www.trademotion.com/partlocat...&siteid=214290
The price from Fordtruckpartsguy.com is MSRP $2,000.00 CORE $400.00 PRICE $1,800.00
http://www.trademotion.com/partlocat...&siteid=215005
The price from DirectFordParts.com is MSRP 2,000.00 CORE $400.00 PRICE $1,774.50 .
http://www.trademotion.com/partlocat...&siteid=214290
New User
Joined: Nov 2009
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Okay, i know this is a thread revival and all.
lol
but..
ATK makes good motors.
this is a link to their performance wing, a 302 300hp, cast iron heads.. etc.. pretty stock replacement for 2k+ Ford 302 Crate Engine 300 HP: High Performance Engines | ATK Custom Built Crate Engines
and they have many otther motors for all power ranges.
lol
but..
ATK makes good motors.
this is a link to their performance wing, a 302 300hp, cast iron heads.. etc.. pretty stock replacement for 2k+ Ford 302 Crate Engine 300 HP: High Performance Engines | ATK Custom Built Crate Engines
and they have many otther motors for all power ranges.
Senior User
Joined: Sep 2004
Posts: 144
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From: Pensacola, FL
I can speak to the 300 hp 302 ATK reman. I have put 25,000 on their engine with great results. The engine has been flawless and I like the 24 month unlimited miles warranty. I'm running a Edelbrock Performer RPM manifold, 600 cfm Edelbrock carb, MSD full mechanical distributor with 6al box, Carter electric fuel pump. The dyno sheet on the engine from ATK shows 306 hp and 380 fp of torque. My panel is a daily driver, delivers 13.8 mpg around town, 18 on the highway. I will never rebuild another engine. ATK is where I will go again.
Correction