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Efi 351w Swap

  • Thread starter Thread starter nelzfoxes
  • Start date Start date Sep 19, 2017
  • Tags Tags
    351w swap fox foxbody wagon
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90sickfox

Wasn't a pretty sight...and I've got big hands
SN Certified Technician
Mar 2, 2015
6,945
5,816
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Mar 16, 2020
#121
  • Mar 16, 2020
  • #121
On my notch the stock cobra springs are so soft I had to put coil spacers ( rubber ones ) to keep the car from bottoming out in the rear. It may be a shock control issue but it's been like that for 12yrs.
 

nelzfoxes

5 Year Member
Aug 20, 2013
472
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Mar 22, 2020
#122
  • Mar 22, 2020
  • #122
FoxMustangLvr said:
I doubt the Cobra springs will do you much good. What shocks/struts do you have front and back? Do you feel that the harsh ride is due to the front suspension setup or front and rear? How are your bushings?
Click to expand...
Impact up front feels harsh. Out back if I stand on the rear bumper I can get the rear to bounce. Up front it takes a lot more effort to get the suspension to bounce and undulate. It has come to my attention that I installed all springs without isolators. I ordered poly isolators for all 4 corners yesterday. I also ordered 1/2" coil spacers off of amazon yesterday. The coil spacers will go out back. I figure close to an inch of additional height out back. Up front is a question mark. Cobra front springs are 600 lb/in linear. The "B" springs are progressive I believe. I figure the weight of the 351 is using up the soft section of the springs leaving me with the harsh section of the spring for suspension articulation. Cobra springs are shorter than stock fox springs uninstalled. So I expect to maintain a certain amount of lowering although I do not know how much.
 

nelzfoxes

5 Year Member
Aug 20, 2013
472
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Mar 22, 2020
#123
  • Mar 22, 2020
  • #123
View: https://youtu.be/-LwNx60ux5o

Here is an example of stiff front suspension. Haha!
 

nelzfoxes

5 Year Member
Aug 20, 2013
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325
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Mar 22, 2020
#124
  • Mar 22, 2020
  • #124
The clutch is slipping pretty bad. Looks like I am gonna have to replace it.
 

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
Mar 22, 2020
#125
  • Mar 22, 2020
  • #125
90sickfox said:
On my notch the stock cobra springs are so soft I had to put coil spacers ( rubber ones ) to keep the car from bottoming out in the rear. It may be a shock control issue but it's been like that for 12yrs.
Click to expand...
I agree with you. The rear springs are soft. But it does help to launch the car I would think. The unibody for the Cobra must differ slightly from the fox body because with stock Cobra rear springs the Daddywagon ended up sitting quite low.
 
Reactions: 90sickfox

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
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Mar 31, 2020
#126
  • Mar 31, 2020
  • #126
nelzfoxes said:
Impact up front feels harsh. Out back if I stand on the rear bumper I can get the rear to bounce. Up front it takes a lot more effort to get the suspension to bounce and undulate. It has come to my attention that I installed all springs without isolators. I ordered poly isolators for all 4 corners yesterday. I also ordered 1/2" coil spacers off of amazon yesterday. The coil spacers will go out back. I figure close to an inch of additional height out back. Up front is a question mark. Cobra front springs are 600 lb/in linear. The "B" springs are progressive I believe. I figure the weight of the 351 is using up the soft section of the springs leaving me with the harsh section of the spring for suspension articulation. Cobra springs are shorter than stock fox springs uninstalled. So I expect to maintain a certain amount of lowering although I do not know how much.
Click to expand...
The “B” springs are the same length as the Cobra springs uninstalled. Because of the higher linear rate I expect the Cobra springs to compress less than the “B” springs.
 

nelzfoxes

5 Year Member
Aug 20, 2013
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Mar 31, 2020
#127
  • Mar 31, 2020
  • #127
Here is the part # which confirms that they are Ford “B” springs.
 

nelzfoxes

5 Year Member
Aug 20, 2013
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Apr 5, 2020
#128
  • Apr 5, 2020
  • #128
It’s done. Springs and spacers are installed. I think it turned out pretty good. The car is raised up... maybe an inch or so. I might try to take it to work tomorrow to see how the ride feels. I say “might” because the clutch is slipping pretty bad.
 
Reactions: hoopty5.0, 95BlueStallion, BlakeusMaximus and 3 others

nelzfoxes

5 Year Member
Aug 20, 2013
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Apr 6, 2020
#129
  • Apr 6, 2020
  • #129
I drove it. I even detoured into Philadelphia on the way home to run an errand. It’s definitely soaking up more of the smaller bumps. In order to maintain the softer feel I am gonna install a 4 cylinder mustang swaybar. I think it’s time to go full sleeper... right down to the super quiet exhaust. I will try to incorporate electric exhaust cutouts for those “special” occasions.
 
Reactions: hoopty5.0, Boostedpimp, 95BlueStallion and 3 others

95BlueStallion

My assy trans to myself
15 Year Member
Feb 22, 2007
5,125
3,091
214
Cedar Rapids, Iowa
Apr 7, 2020
#130
  • Apr 7, 2020
  • #130
I’ve always loved that car.
 

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
Apr 7, 2020
#131
  • Apr 7, 2020
  • #131
95BlueStallion said:
I’ve always loved that car.
Click to expand...
Thanks! As I've said in the past it's an ongoing project. I would really love to get all the cosmetics taken care of. A six speed manual transmission would be great behind an even more powerful 351 based engine. LED / HID lighting would be fantastic. A class II hitch receiver to replace the bolt on hitch would be a welcome addition as well. 1995 Cobra R rims are also awaiting refinishing and installation. I will turn 50 soon so time and money are the enemies. I am gonna keep-on-keepin'-on!
 
Reactions: 90sickfox, Monkeybutt2000, General karthief and 2 others

95BlueStallion

My assy trans to myself
15 Year Member
Feb 22, 2007
5,125
3,091
214
Cedar Rapids, Iowa
Apr 7, 2020
#132
  • Apr 7, 2020
  • #132
nelzfoxes said:
Thanks! As I've said in the past it's an ongoing project. I would really love to get all the cosmetics taken care of. A six speed manual transmission would be great behind an even more powerful 351 based engine. LED / HID lighting would be fantastic. A class II hitch receiver to replace the bolt on hitch would be a welcome addition as well. 1995 Cobra R rims are also awaiting refinishing and installation. I will turn 50 soon so time and money are the enemies. I am gonna keep-on-keepin'-on!
Click to expand...

I really like the Crown Vic wheels on it. Throw a headliner in it and keep tearing it up man!
 

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
Apr 8, 2020
#133
  • Apr 8, 2020
  • #133
95BlueStallion said:
I really like the Crown Vic wheels on it. Throw a headliner in it and keep tearing it up man!
Click to expand...
I have some options.


 
Reactions: Potomus Pete

95BlueStallion

My assy trans to myself
15 Year Member
Feb 22, 2007
5,125
3,091
214
Cedar Rapids, Iowa
Apr 8, 2020
#134
  • Apr 8, 2020
  • #134
nelzfoxes said:
I have some options.


Click to expand...

The white Criwn Vic wheels, except paint matched to the body’s off white!
 

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
Apr 8, 2020
#135
  • Apr 8, 2020
  • #135
95BlueStallion said:
The white Criwn Vic wheels, except paint matched to the body’s off white!
Click to expand...
Yeah... that’s white plastidip. In the other photo I peeled the center section off.
 

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
May 10, 2020
#136
  • May 10, 2020
  • #136
 
Reactions: RaggedGT

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
May 10, 2020
#137
  • May 10, 2020
  • #137
Control arm bushing replacement with polyurethane. I’m trying to get the suspension right. I’d like it to feel like a newer car. It turns out all the bushings were actually fine. But I already bought everything so I am gonna go ahead and finish the job.
 
Reactions: General karthief and Steel1

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
Jun 30, 2020
#138
  • Jun 30, 2020
  • #138
95BlueStallion said:
The white Criwn Vic wheels, except paint matched to the body’s off white!
Click to expand...
White it is! I dropped off the cobra “R” rims to get stripped and powder coated gloss white! White cobra “R”’s should look ok... I hope.
 
Reactions: Boostedpimp and 95BlueStallion

WhiteCobra95

10 Year Member
May 2, 2006
634
177
74
Jun 30, 2020
#139
  • Jun 30, 2020
  • #139
What about wood-grain Cobra Rs?

P.S. Great build BTW. It was a fun read, and it's always great to check in and see where the project is at. Thanks for posting!
 
Last edited: Jul 1, 2020

nelzfoxes

5 Year Member
Aug 20, 2013
472
325
94
Jul 3, 2020
#140
  • Jul 3, 2020
  • #140
WhiteCobra95 said:
What about wood-grain Cobra Rs?

P.S. Great build BTW. It was a fun read, and it's always great to check in and see where the project is at. Thanks for posting!
Click to expand...
Thanks! Posting is honestly my pleasure. I don’t do facebook, or instagram, or twitter, or tik tok. I just do the forums thing. I enjoy following other builds and getting ideas from others and sharing what I’ve got going on.
 
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