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80's 351W H.O. Information

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Old Jul 3, 2003 | 08:55 AM
  #16  
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80's 351W H.O. Information

Originally posted by Dan76'F100
Remember this?


Like you knew j/k
Yeah, I knew. Still wish I had that truck tho'.

Coogles, the 351c has the same bell housing pattern as the windsors. The 351m/400 shares the same pattern with the 429/460 385 series.
 
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Old Aug 3, 2003 | 10:09 PM
  #17  
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80's 351W H.O. Information

I have a 89 351w and a 351 HO. i am rebuilding the 351w and was wondering if I would benefit from swapping the heads out. put the HO heads on the 89 351W. I'm keeping the 89 because of the EFI. How would i find out the specs between the 2 heads(cc, valve dia, flows, etc?)
 
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Old Aug 4, 2003 | 12:26 AM
  #18  
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80's 351W H.O. Information

Originally posted by Coogles
man oh man i got really confused when he said 4 valve heads. I never heard of a single over head cam windsor!! Hell if there was one id have it.

4v heads means they are heads designed for a 4 venturi carb.

I have an HO in my 88 f250. I dont know exactly what the difference is either.


Oh another comment, 351w and 351w ho will bolt to same tranny. 351c/m and 400m bolt to same tranny. 429 and 460 bolt to the same tranny. None of them mix. windors are winsors, clevelands are clevelands, and the big blocks are big blocks.

The 351M/400M has the same bellhousing as the big block.
 
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Old Aug 4, 2003 | 12:39 AM
  #19  
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80's 351W H.O. Information

Originally posted by skosler
I have a 89 351w and a 351 HO. i am rebuilding the 351w and was wondering if I would benefit from swapping the heads out. put the HO heads on the 89 351W. I'm keeping the 89 because of the EFI. How would i find out the specs between the 2 heads(cc, valve dia, flows, etc?)
They are both W motors, all parts interchange including the intake you want. What year is the second motor?
 
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Old Aug 4, 2003 | 07:43 AM
  #20  
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80's 351W H.O. Information

Well I took a c6 of a 400m thinking I could put it on my a460. However the bell housing did not lign up properly. They closely related, but offset. It wasnt the same. They were both 71. explain that
 
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Old Aug 5, 2003 | 12:37 PM
  #21  
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80's 351W H.O. Information

Originally posted by Coogles
Well I took a c6 of a 400m thinking I could put it on my a460. However the bell housing did not lign up properly. They closely related, but offset. It wasnt the same. They were both 71. explain that
There were some 400's built in 71' with a windsor/cleavland bellhousing. They were usualy connected to a FMX tranny.

all other 351M's and 400's use the 370-429-460 bellhousing.

As for the 351 H.O.

They are basicly the same motor as the older 2v motors, only with a larger cam, a cast iron 4v intake, and a 4160 holley carb.
 
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Old Aug 5, 2003 | 02:28 PM
  #22  
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80's 351W H.O. Information

I was wondering if I would benefit from using the HO heads on the 89 351 W. I'm thinking that the HO heads would have better flows and maybe give me higher compression?
 
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Old Aug 5, 2003 | 02:44 PM
  #23  
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80's 351W H.O. Information

But its not an fmx tranny, its a c6 out of a lincoln.
 
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Old Aug 5, 2003 | 09:47 PM
  #24  
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80's 351W H.O. Information

Originally posted by Coogles
But its not an fmx tranny, its a c6 out of a lincoln.
Sounds like maybe you are just mistaken, that it did not line up. The 351M/400 is the same as a 429/460 the C-6 in my '91 is bolted to a 460 and it came from a '79 Bronco that had a 351M in it.

You will need to use the proper flexplate and torque convertor for the 460.
 
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Old Aug 6, 2003 | 01:35 AM
  #25  
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80's 351W H.O. Information

my 460 has a fmx now with a stall converter 8-)
 
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Old Sep 13, 2003 | 07:33 AM
  #26  
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80's 351W H.O. Information

THE 351w ho cam specs lift 444int./452exh. adv. dur 206int./221exh. on a 115 lobe separation
hp rated 210@4000 rpm
trq. 305 ft lb. @2800 rpm
 
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Old Sep 13, 2003 | 08:37 AM
  #27  
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80's 351W H.O. Information

Originally posted by skosler
I was wondering if I would benefit from using the HO heads on the 89 351 W. I'm thinking that the HO heads would have better flows and maybe give me higher compression?
You won't be able to use the HO heads on yours. Your engine's heads are designed for the fuel injection system, not a carb. The HO heads are for carbs.
 
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Old Sep 13, 2003 | 04:27 PM
  #28  
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80's 351W H.O. Information

I run a 351w in my 85

stroked and punched to 396
ford racing GT-40 alum heads (2-valve,LOL)
comp 4X4 exteme cam (best choice I made)
Edelbrock performer manifold
Edelbrock 750cfm carb
MSD 6 AL ignition
Headman shorty headers
K&N filter
8.8 wires
stock dist.
Keith black pistons
serpintine belts(had to use elec. fuel pump, new timing cover had no provision for stock

HAve dyno ticket for 380 hp-420 ft/lb

Needless to say I love my windsor and according to the info I had stock it was only 15hp less than a 460 of the same year
 
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Old Sep 13, 2003 | 05:44 PM
  #29  
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80's 351W H.O. Information

Originally posted by MW95F250
You won't be able to use the HO heads on yours. Your engine's heads are designed for the fuel injection system, not a carb. The HO heads are for carbs.
Really?
 
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Old Sep 13, 2003 | 06:51 PM
  #30  
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80's 351W H.O. Information

In my never ending search for more power, I looked at that route (when I had the 84 F-150). And the carb HO heads will not work with the EFI heads.
 
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