302 to 454?
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New User
Joined: Jun 2005
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From: San Antonio, Texas
302 to 454?
My 302 isnt working to well and lacking power on top of that. I have a chevy 454 that Im rebuilding but dont have anything to put it in. What about my Bronco? What sort of things go in to doing this?
Lead Driver
Joined: Jun 2005
Posts: 8,465
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From: Calgary Canada
well, aside from the fact that bowtie engines make the baby jesus cry, I'd say go for it! Of course, you'd need custom motor mounts, a chevy tranny, custom driveshaft etc . . . .
But it would be a neat swap, and unique for sure.
But it would be a neat swap, and unique for sure.
Elder User
Joined: Sep 2003
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From: colorado
sell that hunk-o-chevy and you'll have enough to buy a complete 460 and all the parts to swap it in.
460's are cheap and plentifull compared to chevy big blocks. plus you won't have to swap in the whole drivetrain.
if you do go with the bowtie, be sure to take plenty of pictures and post them somewhere so we can laugh and call you bad names please.
460's are cheap and plentifull compared to chevy big blocks. plus you won't have to swap in the whole drivetrain.
if you do go with the bowtie, be sure to take plenty of pictures and post them somewhere so we can laugh and call you bad names please.
Last edited by bassdude; Sep 10, 2006 at 05:17 PM.
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From: San Antonio, Texas
the chevy is old
if i tried to sell the chevy i dont think i would get crap for it. its got 193,000 miles on it. i took it out of a 79 c10 burban that i bought off my mother in law for 700 dollars. needless to say she didnt really take care of it. the marines dont pay all to much so buying a whole other engine would be kinda hard
Elder User
Joined: Sep 2003
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From: colorado
Sempre Fi!!
i think you would spend way more trying to adapt the chevy in there.
around here you can pick up a running 460 for a hundred bucks any day.
if money's tight why not run an ad to trade the big block for a good running 302 or 351?
i think you would spend way more trying to adapt the chevy in there.
around here you can pick up a running 460 for a hundred bucks any day.
if money's tight why not run an ad to trade the big block for a good running 302 or 351?
Last edited by bassdude; Sep 10, 2006 at 05:32 PM.
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From: San Antonio, Texas
thats a good idea. well being 19 and having 2 kids with one on the way makes money a little tight. these are all future plans of course, not gonna happen for a while. I kinda like the big block so i figure on keepin it. I could bore out the 302 to maybe 347 and that would give me enough dislpacement to produce the power im trying to get without having to replace the drivetrain. but the 454 just stock would give the power i need but on the other hand its more work to get it in. Thus you see my dilemma.
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From: Sussex
From my experience, most V8's with 193,000 miles on them are pretty tired. Is it even worth all the trouble and expense to put such a high mileage motor in the truck. A fresher 302 or 351 probably produces more power than a 454 with almost 200,000 on it. Just my 2 cents.
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From: San Antonio, Texas
no no, you mis-understood, the 454 might go in the bronco AFTER im done rebuilding it, not the way it is now. as far as fuel delivery goes im undecided between throotle body fuel injection or carbureted like it was before. I cant choose between the holley truck avenger 770 cfm, or the edelbrock EFI kit. I like carbs because their so damn simple to work on, versus the efi is harder but wont stall out.
Last edited by big89bronco; Sep 11, 2006 at 07:57 PM. Reason: forgot
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From: Albany, Oregon
If Money is an issue, and sounds like it is...being that you said you have 2 kids and another on the way and you're a teenage boy, and you'll have to rebuild the 454 anyway, It sounds like Rebuilding the 302 would be the most economical option, and part of the rebuild would be paid for from the sale of the 454.
I understand wanting more power, but i also understand money being tight. Moreover when you rebuild it no one said the 302 had to be stock, and some of the parts may not be too much more than stock, and still leave you spending less than the 454 swap.
Just my 2 cents.
I understand wanting more power, but i also understand money being tight. Moreover when you rebuild it no one said the 302 had to be stock, and some of the parts may not be too much more than stock, and still leave you spending less than the 454 swap.
Just my 2 cents.
Last edited by j41385a; Sep 12, 2006 at 02:40 AM.
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From: San Antonio, Texas
anyone have an idea on where I could find info a swap like this? another question i forgot to ask. i was thinking of swapping out the efi for a off-road carb set up, what all is involved. i know i would have to change the fuel pump when i put on the intake and carb, what else has to be changed?
Postmaster
Joined: Dec 2004
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From: Maple Valley, WA
Cmon man, Are you seriously asking this in a ford truck forum??? Junk the chevy, its a pile, I would laugh if I saw some dude with a chevy in his bronco. I laugh at ford street rods with chevys in them. Its not worth it, and its retarded.
Hotshot
Joined: Oct 2002
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From: The Big, Oregon
Honestly, I would just go with an aftermarket controller on the factory EFI, it's way better off road than a carb, and with the aftermarket system, you can overcome the tuning issues with the factory system. Get the 302 out of there, and put a 351w in (direct bolt-in swap, aside from the intake and exhaust), you'll gain a good deal of torque and it will scoot along nicely.
Swapping in the 454 will involve all custom mounts and driveshafts, plus you will have to use a different t-case. You will probably have to go with an NP205 or aftermarket t-case to get the correct drop for the Ford front end, or you will have to swap in a GM or Dodge front axle to use a GM NP205 t-case.
I just don't think that the 454 swap will be as inexpensive as you think, and in the long run will end up costing you far, far more than it would to upgrade the existing engine.
Swapping in the 454 will involve all custom mounts and driveshafts, plus you will have to use a different t-case. You will probably have to go with an NP205 or aftermarket t-case to get the correct drop for the Ford front end, or you will have to swap in a GM or Dodge front axle to use a GM NP205 t-case.
I just don't think that the 454 swap will be as inexpensive as you think, and in the long run will end up costing you far, far more than it would to upgrade the existing engine.