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Old 11-09-2005, 01:07 PM
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MUSTANG 289 into 351? or Bigger?

im not sure my title accurately defines what i want to ask ! A while back i bought a 67 mustang with a 289 4BB and i just picked up another 661/2 mustang also with a 289 and both with an automatic 3speed transmission! I started buying parts the best i could from Mexico(where i live) so far i bought the Carb edlebrock 600, the edlebrok performer intake. headman headers going to flowmasters. i recently picked up up edlebrok cam with timing chain. . Well, back when i bought my first mustang i posted wanting to know what would it take for my little 289 to torque so hard that lifts the front end off the line ? I was thinking that i would go to a 351...or would i have to go higher to get that much power out of the motor? Can anyone help me on that? Here in Mexico the street racing is just getting hot ...still trying to get off the ground since the parts are very hard to get here!!! if anyone can help me get the car ready for take off i would appreciate it! thank you! One mustang im going to make into a racing car and the other i want to try to make it into a restoration piece(came really nice on the out side all original chrome a and the body is tight!)

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Old 11-09-2005, 01:19 PM
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just really depends, a 289 will fly but you have to crank it hard 7500+ rpm, but if you already have the 289 it would cost less unless you have a 351 already, another thing i would think about is stroking the 289 to a 347, pulling the tires requires some pretty good power and traction and suspention work, i had a 289 in a capri that would scream. it had 55cc chambers heads on it , solid cam and a 750 holley, never had it at the track but that dude would fly, but i turned it 8000 rpm.
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Old 11-09-2005, 01:26 PM
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hotting up a 289

I go with 347 on this one. Since you already have the 289 block, and other parts, you would be about as well off to go with a 347 stroker kit, rather than going with a 351.
One advantage to a 347 over the 351 is that you will save about 65 lbs in front end weight, and a 347 wont give up anything to a 351 performance wise.
If you didnt already have your 289, and the other parts youve already gotten, I would have opted for going with the 351, since it would be a cheaper engine to build than the 347. But, that being said, you would then also have to buy another intake, etc etc etc. since the 351W is a taller and wider engine than the 289/302 block.
As for power enough to do wheelies, there are several ways to do that. Not only build a lot of power into the engine, but super sticky tires and a very deep gear, along with serious suspension modifications, will get the job done. You will also have to stiffen up your chassis with subframe ties, or youre going to warp your car to a pretzel.
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Old 11-09-2005, 04:14 PM
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to get the wheels "off the ground" costs roughly $5000

to make a "winner" for street racing costs roughly $500-2500

how much money do you want to spend?

I do agree with all the suggestions in the previous posts
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Old 11-09-2005, 04:52 PM
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words of wisdom

ok dude getting the wheels of the ground is tuff but i think u can almost get them off with that 289. I have a 68' mustang with a 289 and that motor is good a torque monster its bored and stroked. with a 650 edelbrock and edelbrock intake manifold.and that car moves it will keep up with the best of them. so with a blower,supercharger,nitrous or some kind of power adder i think it is possible with a 289 save money too.
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Old 11-12-2005, 05:18 PM
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IN addition

Well, for some reason i didn't get notification that there were replies. Thank you all for your replies. HOWEVER, today i bought a 351 from a junk yard here in Mexico. It looks like it is 83-67 some where about in there! SO, there were some mixed opinions here...should i go with the 351...or should i stick with the 289 and stroke it out to a 347? Thanks again one and all!
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Old 11-12-2005, 06:15 PM
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Quote:
Originally Posted by exiled1
Well, for some reason i didn't get notification that there were replies. Thank you all for your replies. HOWEVER, today i bought a 351 from a junk yard here in Mexico. It looks like it is 83-67 some where about in there! SO, there were some mixed opinions here...should i go with the 351...or should i stick with the 289 and stroke it out to a 347? Thanks again one and all!
since you have the 351, i would just have the machine work done and buy a rebuild kit, a 331-347 motor takes all aftermarket parts, which cost $$
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Old 11-12-2005, 08:55 PM
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67 Mustang Redux

I totally concur with 347, since you have already obtained the 351W, go with it. The only disadvantages to running the 351W vs the 347 stroker kit is that you are adding about 80 lbs to your front end, which isnt too critical, and a little bit more of a tight fit for headers.
The advantage of running the 351 over the 347, is that it could easily cost you close to $2000 to put in a decent 347 kit in your 289 block, and the biggest chunk of that is the crank, rods, and pistons. Performancewise, you would probably never know the difference, as far as a street engine goes.
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Old 11-13-2005, 12:02 AM
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Yeah a 347 would be cool, but that 351 Windsor can be stroked to 408 cubes pretty easily. There is no replacement for displacement.
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Old 11-13-2005, 03:16 AM
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THe only note that I wish to add is that doing a 289/347 the only reuseable part you have is the block, as nothing else is of value for a 347,,, heads, intake, etc... too small. It will take lots of head to make the power you need.

Of course.... ditto for a 351W. All the top end is too small for any power production. At least you are saving on the crankshaft rods price.

As merc suggested...... go big.
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Old 11-13-2005, 03:05 PM
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I don't think you ever specified which 351 you have/want. Being that you believe it to be in the 67 - 83 year range, it could be a 351W, which most of us assume that you have, the 351C or the 351M. Depending on which one it is, there is a world of difference in what you can do with them performance wise. You need to know that basic fact before you go anywhere.
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Old 11-13-2005, 08:19 PM
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Nsfci

As for a 408 stroker, for the 351W, I agree theres no substitute for cubic inches. However, from the performance and cost aspect, the 3.85 stroker crank is the best bang for the buck, giving you a 390 cube engine, and other than the crank, uses standard production parts,( read that as very inexpensive) since the 3.85 stroker uses stock 351W rods and stock 289/302 pistons.
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Old 11-13-2005, 09:31 PM
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If you want a quick street-race car, and your on a budget...try this.

Build either the 289 or the 351W.
Install H-beam rods.
Speed Pro forged pistons and Hellfire rings.
Put a 200+HP NOS plate under a good Holley or BG 650 double-pumper.
Put a 3.70-4.10 gear out back with a set of Cal-Trac bars, and some sticky Mickey-Thompson street/strip tires.

So, how much money do you want to spend?
How fast do you want to go?
Glenn
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Old 11-19-2005, 07:07 PM
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stroker?

hELLO,
WHERE IS THE best place to learn how to stroke out a motor ? I hate that i am so not knowing! i was a psych major so motors werent really in my shcooling! could you please point me in the right direction? i have a 289 and a 351 and lots of time with some to little cash on my hands !!!.
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Old 11-19-2005, 08:42 PM
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Bigger strokes

Stroking an engine is not something you can accomplish at home as it requires , either a lot of custom machine work or, an after market stroker kit, which, if it uses special rods and pistons will come as a complete setup.

To stroke an engine using the stock crankshaft requires an offset crank grinder, extensive knowledge of what rods would work with your engine after youve cut the crank down, and knowledge of pistons as well.

In a nutshell, to stroke an engine requires taking meat off of the inside of rod throw, then regrinding the throw to a diameter to fit a rod and bearing other than the stock one.
For example if you want to stroke an engine .200", you have to take .100" off the inside of the rod throw, then regrind it round and size it to fit another rod and rod bearings. What offset grinding does is to move the center of the rod throw outward, increasing the stroke. To destroke a crank you take the meat off the outside of the throw.
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