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351 Crate engine

Old 01-17-2009, 02:00 AM
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If your gonna do it, do it right;
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Old 01-17-2009, 09:57 AM
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It's an old Video but cool conversion...

One problem though...I understand it's a 460ci big block.
Bib block=Big weight

It'd be smarter to stick a 427 (or 460) Stroker out of a aftermarket 351 Windsor block like World Products or similar, mated to a TKO or 6 speed instead of heavy auto trannies.
You'll be adding little weight over a 4.6 but you be looking at 625hp/650torque
Me likey that part.
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Old 01-17-2009, 10:02 AM
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gonna get awful noseheavy aint it?
if going to a non-modular based motor, id go the relatively few extra bucks for a bigblock- although a bigblock fan(massive torque off-idle is great fun), gotta admit a blown 4.6 would probably runaway and hide from it just due to the reduced weight- and might actually be less expensive. getting the dash/instruments/idiot lights to 'work' without the electronic throttle, variable cam/charge motion control valves/distributorless ignition, etc might get expensive- let alone a PITA to sort out...now if you could adapt all the new knock sensing/COP ignition, etc to a old torky motor, that would be sweet- but expect some real deep pockets would be needed. saw pics of one with a old 65 427 SOHC under the stock hood, so the sky is the limit on 'what will fit' under the hood, just making it all work will either take a lot of electrical thought, or gutting the computer out and rewiring it oldschool- which would be kinda cool too, but still take a lot more time than just the oldschool level of work involving mounts/crossmembers/driveshaft/tranny-shifter/exhaust/front springs...
find a wrecked gt motor/pcm/harness, put a blower on it and you would probably save a lot of time and money- put a positive displacement blower on it for a few bucks more to boost bottom end torque, you'll have similar powerband, but still have a 'legal' car you can sell someday without getting into trouble for emissions tampering laws...even years after selling it.
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Old 01-17-2009, 10:29 AM
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Hey, since you'll be replacing the drive train anyways...
A carb. set up on a stroker will be the cheapest way to go.
It will spank your blown 4.6 and sound so much better.

Regular folks have a mis-conception about carburetors...
On a DD car, it's reliable. You have to re-jet if you travel to a different altitude, that's about it.
I put 100K Florida miles on that engine (picture) without doing any adjustments to the carburetor
Perform like a dream...

Last edited by pascal; 10-04-2009 at 07:56 PM.
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Old 01-17-2009, 11:39 AM
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Last edited by BruceH; 11-13-2010 at 12:58 PM.
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Old 01-17-2009, 01:07 PM
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Sure would be some fabrications...
And it's hard to tell how much it would cost, so in the end, the simplicity of the stroked carbureted mill would lose it's advantage in retrofitting it in the S197 engine bay...
I wish I'd done this before so I knew the labor involved to make it work.
Until then, I can only speculate....

Blowing the V6 is the quick add on power for the minimal money.
Still have to redo the drive train though.
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Old 01-17-2009, 02:53 PM
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Id just build a mod motor....
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Old 01-19-2009, 02:02 PM
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Thanks for all the input guys. I had originally thought of just taking a GT motor out of a totaled one. that way i could get all the engine mounts too. Its just hard to speculate on cost if i go that way. The only reason i thought of all this was to cut cost on simply trading in my car and getting a GT. Guess i will just have to see how far the price will drop on one.
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Old 01-19-2009, 02:55 PM
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Something else to consider in this case is whether you want to drive it on the street or not. Depending on your location, you may not be able to register the car for road use unless it has all the applicable emissions equipment for that chassis production year.
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