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Originally posted by Big block 66 f100:
isnt the distributor on the 302 and the 351 the same unless its the clevland.oops i ment to quote 68stanger

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quote:

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Originally posted by 68stanger:
from your 5.0L

timing cover, water pump, alt bracket, heads, valve covers, T5 or AOD, motor mounts, injector rails (soft lines on the ends of the rails might need to be extended,

you will need

distributor, oil pan/pickup, intake, PS bracket for 351w, balancer 28oz in), 28oz in flywheel or flexplate, 351w swap headers,

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dont forget a cowl hood and solid steering shaft...rag joint wont fit with swap headers plus it gets rid of the sloppy steering
 

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Posted by Duncan Motors (Member # 7045) on :
 
i have a stock hood and didnt have to get a solid steering shaft.
 

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Posted by phildog (Member # 1214) on :
 
I swapped mine to a 351w and kept the stock rag joint. I had Ford Racing swap shorties on it, and they fit great, but were probably costing me a lot of power.
 

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Posted by 96232 (Member # 9375) on :
 
will my AOD be ok for the swap assuming the 5.8 is stock?
 

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Posted by 68stanger (Member # 7842) on :
 

quote:

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Originally posted by 96232:
will my AOD be ok for the swap assuming the 5.8 is stock?

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same trans bolt pattern as a 302. it will hold up just fine for a stock 5.8L
 

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Posted by 96232 (Member # 9375) on :
 
what about smog, Will it be problem as long as the cam stays stock. What about the crossover tube for the EGR on the back of the heads, will there be a clearance problem between the firewall and the tube?
 

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Posted by 68stanger (Member # 7842) on :
 
technacally it would NOT be smog legal but I highly doubt the smog tech will even notice the difference between the 302/351w engine.

the 302 crossover tube probably will not work on a 351 because it would not be long enough, the heads on a 351w will be spaced different then a 302 engine (farther apart). but im sure you could just grab that part from another 351w
 

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Posted by 68stanger (Member # 7842) on :
 
fire wall spacing will not change between the 302/351w. shock tower clearence will be slightly affected, its has a taller deck so the heads are pushed a little further out because of it.

you should go with a 302 based stroker over a STOCK 351w
 

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Posted by 96232 (Member # 9375) on :
 
another question, Should I be looking for a 157 or 164 tooth flywheel?
 

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Posted by 96232 (Member # 9375) on :
 
and does the harmonic balancer need to be exactly 28 oz inbalance, or can it be 28.2 or 28.4 oz inbalance. Summit only lists 2 at the exact 28 oz inbalance, but more come up as 28.2 or 28.4 oz
 

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Posted by 89'LXNOTCH (Member # 8810) on :
 
You can use the 157 tooth 28 oz. flywheel and any of the 28 oz balancers. Im almost done with my 351 fox swap. Can get expensive but a mild 351 Windsor will easily make more power with cast iron heads than a 302 with aluminum heads and major bolt ons. I have a freshly resurfaced Centerforce Billet Steel 157 tooth 28 oz balance flywheel if you need it for $250. Call me if interested at 510-522-2347. Good Luck
 

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Posted by 68stanger (Member # 7842) on :
 
if your going to use your 5.0L starter then then a 157t 28oz imbalance flexplate/flywheel will work just fine.
 

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Posted by username1822 (Member # 8583) on :
 
Actually, it would be a smog legal swap if you got it reffed and had all the correct smog equipment.

As long as the motor you are swapping in is from the same year car or newer than yours, and in the same "family" (truck engine in a truck, car engine in a car), then it's legal.

The 1995 Cobra R came with a 351w, so it would be a legal swap for an 1995 or older mustang.

Here's more info.
http://www.bar.ca.gov/80_BARResources/07_AutoRepair/Engine_Change_Guidelines.html
 

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Posted by phildog (Member # 1214) on :
 
Cut the crossover tube between the heads and splice in a piece of high temp silicone hose. Put a Lightning lower intake on it with a Cobra upper and drive it to the smog shop. With shortie headers on it, 95% of the smog guys will not have a clue that it is a 351w.

I wouldn't bother with the swap if you are just going to run some low buck 351. It would be cheaper to put the money spent on swap parts into the existing 302. Swapping a windsor is worth it if you are going all out. Otherwise, I'd stick with the 8.2" deck motors.
 

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