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-   Grand Marquis (https://www.mercuryforum.com/forum/grand-marquis-14/)
-   -   86 Grand Marquis 351w (https://www.mercuryforum.com/forum/grand-marquis-14/86-grand-marquis-351w-1941/)

Adrenolin 08-17-2008 10:17 AM

Hello,
I''m in the process of restomoding a 67 Mustang for the wife and ran across an 86 Grand Marquis in a junk yard. We know the yard owner and he said it had a 351w in it. It doesn''t have 60k miles on it and still runs where it sits.

I''m wondering if anyone can give me or point me in the direction for more info on this year engine. ie.. what cam lift/duration, HP, torque, etc. Not sure if I want to leave it as is or toss on an Edelbrock Performer intake, cam, 750 carb, heads along with the JBA mid-length headers and 2.5" exhaust.

Also what was the width of the 9" rearend used in this car? Its got a LSD and I''m thinking I might replace the 8" with the 9" in the Mustang. Pretty sure I''d have to have it cut and perches remounted aswell though.

Thanks!


87_Crown_Vic 08-17-2008 06:27 PM

Panther platform cars have 8.8" rear diffs in them. i would need to pull my book out to see the engine stuff. as far as i know, the 1986 Grand Marquis didnt have a 351w in them. startin in 1986 the panthers received 5.0L engines thqat were SEFI

86VickyLX 08-17-2008 07:12 PM


Originally Posted by Adrenolin
Hello,I''''m in the process of restomoding a 67 Mustang for the wife and ran across an 86 Grand Marquis in a junk yard. We know the yard owner and he said it had a 351w in it. It doesn''''t have 60k miles on it and still runs where it sits.I''''m wondering if anyone can give me or point me in the direction for more info on this year engine. ie.. what cam lift/duration, HP, torque, etc. Not sure if I want to leave it as is or toss on an Edelbrock Performer intake, cam, 750 carb, heads along with the JBA mid-length headers and 2.5" exhaust.Also what was the width of the 9" rearend used in this car? Its got a LSD and I''''m thinking I might replace the 8" with the 9" in the Mustang. Pretty sure I''''d have to have it cut and perches remounted aswell though.Thanks!

The Grand Marquis of that year only got the Fuel injected 302 I believe. They have the 8.8" rear.

Adrenolin 08-18-2008 12:03 AM

Not sure why but this one definitely has a 351w in it. OK so with that said I no longer know what kinda of miles are on the engine since it was from another car.

Good to know on the rear diff being 8.8" and not 9". Not a big deal here though since there were plenty of Vic''s there which I''m sure have 9" rears.

Thanks for the info as I was sure I read somewhere that it had been a rare option for 83 - 86 cars... Wikipedia or someplace I remember reading this.


jason sereiko 08-18-2008 09:04 AM



can you take a picture of the motor and post it. This is a very rare setup and it would be awesome if you can post it.


Also would you l;ike a engine build sheet of the 351W.

Adrenolin 08-18-2008 11:26 AM

Jason yes I''d love an engine build sheet. Let me know if its a link or something you need to email. Thanks.

As for a photo that''ll have to wait. I''m back in New Jersey for another 2 weeks. I''ll be heading back to Nova Scotia end of the month to work on the car for another 6 weeks. This is where the grand marquis is also. I''ll take a photo when we go to pull the engine and post shortly afterwards.


jason sereiko 08-18-2008 01:25 PM



sweet...


i will post the build sheet with dyno results by the end of the week. You can also check out other engine posts i did for the marquis last month. those might help you out with some stuff. But for the 351W, I will post one by the end of the week.

87_Crown_Vic 08-18-2008 06:23 PM

panther platforms have 8.8 inch rear diffs in them... not 9 inch. only difference with the panther platforms for the diffs was the gears but all had 8.8 inch rears.

87_Crown_Vic 08-18-2008 06:40 PM

i am looking at my car book and Mercury didnt have any 351w in them in 1986. only way to tell what the engine can do is if you knew what it came from

Adrenolin 08-18-2008 06:51 PM

As I said it must have had an engine swap done at some point as under the hood definitely has a 351w sitting there. Hopefully I''ll be ripping it out first 1/2 of September sometime. I''ll bookmark and note to follow up with a photo.

jason sereiko 08-20-2008 11:09 PM



How much are you getting the complete motor for? how much horsepower are you looking to get with the rebuild? What is you budget? Please don''t tell me 1500 bucks. I am trying to get a build sheet with the dyno results for you by the end of the week.


One more question, why not stick with a different 5.0 if you want to do a rebuild? I was just wondering because they are better and cheaper.

Adrenolin 08-21-2008 02:04 AM

To give you an idea of what we''re doing... Our 67 mustang had a rebuilt 289 when I purchased it Jan 1st this year. Since then every nut, bolt, fastener has been removed and the car is currently on a rotisserie and down to bare metal. Prep is underway to POR-15 the entire car now that all bad metal has been replaced (cowl, floors, torque boxes, toe boards, sub frame connectors, etc) to ensure no rust issues in the future. Complete AJE Racing front suspension including Coil-over, Tubular K-Member & spindles (SN95), A-Arm and Power R&P (Fox) are being installed. Complete 68 Shelby fiberglass kit (hood, trunk, side scoops, grill) are being installed. Vintage Air heat & A/C system, 9" rear, 4-speed manual toploader, JBA mid-length headers w 2.5" exhaust, disk brakes, Ron Francis custom wiring, PS, PB, PW, PL, heated seats, adjustable back lumbar and headrests in original seats, 3-point seat belts, dash gauges, custom internal wifi video paging security system, new interior are all being installed / upgraded as well.

Pretty much everything is being replaced or modified in some way. Will be painted dark moss green w/metallic, a black vinyl roof and Ivy Gold Interior.

The car is being rebuilt and highly restomodded as a daily driver for my wife. Classic car with lots of comfort, handling and some added safety. She said she wanted a 351w, 4-speed manual & the 68 Shelby fiberglass before we even started the project so as the saying goes.. ''what the wife wants, the wife gets".

I''m getting the complete engine for 200.00 bucks which includes anything else in the engine bay I may want or need. Grabbing 2 9" rear ends from the yard, both with limited slip for 75.00 each. We plan on nabbing a couple others for that price as well if we have time. I''ll be having the housing tubes shortened to fit the mustang and spring perches remounted by a local machine shop who do quite a bit.

As for power we''re looking at somewhere around 400 give or take. The 351w is known for low end torque and thats what were after for a fun street car. Not looking to stroke it out. I''m more interested in a strong reliable build however since it''ll be a daily driven car. Budget.. lol now thats funny! Seriously though, I am attempting to keep costs down but I''m not foolish enough to think it''ll be cheap and still dependable. I''d like to keep a rebuild around 2k or that area if possible. I don''t think this is an unreasonably figure and if we fall a bit short I can add more later.

Its really my first project car like this and I''ve been having fun with it so far. Opinions and comments are always welcome. Thanks for helping out with a build sheet by the way!




jason sereiko 08-21-2008 09:17 AM



Fun is the key and it looks like thats what you are doing.


The car sounds awesome and actually I am thinking about buying my wife a 67 with the chrome trim around the tail. I think this is a cool car.



Adrenolin 08-21-2008 01:29 PM

Yeah it''s been fun.. loads of cursing and head scratching but loads of fun![img]smileys/smiley17.gif[/img] I''ve always wanted to rebuild one and when I told the wife she said.. ''fine, after you do one for me''. Whats a guy to do..[img]smileys/smiley2.gif[/img]

Do a Google search for the 68 Shelby Green Hornet EXP500 as once done thats pretty much what it''ll look like. It was an experimental Shelby for an IRS setup and a few other thing. We''re not going with the EXP500 stripes but close to the same colors.. slightly different green.

http://img372.imageshack.us/img372/1...tofrentwg6.jpg


jason sereiko 08-21-2008 06:01 PM



you are putting in a IRS!!! SWEET! That baby is going to hook up great.


Now are you doing all of the motor work your self? You said a budget of 2,000 bucks for the rebuild. I am really scratching my head on why you are going to put in a 2K motor in a 30k car. Ihave some build sheets of 495H.P for around 4,000 with the dyno stuff to tune it in. Really not that bad of a price for the parts in it. I will get you what you want. Are you looking for a mild cam sound?


What kind of trans is going in the wifes ride?

jason sereiko 08-22-2008 01:32 PM



Brother, I can not find one build sheet for that price. You might be better off getting a crate motor. short or long block and use the accessorys from the junk yard jewel.


If you go with a 5.0L it issomething that is doable for that price.


a good place to look forDIY stuff is car craft or hotrod magazine.


www.carcraft.com www.hotrod.com


Good luck and sorry i could not help

Adrenolin 09-22-2008 08:00 AM


Well we went down last week and got the 351w out of the Grand Marquis. Turned out to be an 82 I noticed while looking at the door tag. Got the complete engine with everything on it and a pile of other smaller items off the car as well. Here is a link to some photos since some of you had asked.

Taking it out:
http://www.sendpix.com/albums/08091119/cm62e0w9n7/

Top end apart and the old mustang 289 in the corner: http://www.sendpix.com/albums/08091621/imw1hqe1wu/

It''''s a transplant engine however its stock bore. I''''ve stripped it down and all matching surfaces (heads, intake, etc) are rust free. The heads have never been off the block and the cylinder walls have no marks. Taking the block, heads and crank in to have them cleaned and tested.

Just an update as I hate not finishing a post [img]smileys/smiley4.gif[/img]
Edited by: Adrenolin

trev0006 09-23-2008 03:42 AM

I belive the 302 was the only engine offered.

Adrenolin 09-23-2008 06:56 AM

Yeah so I''ve been told already. As I said, I''m certain the original engine in it was a 302 however it was definitely a 351w (79-84) that we took out.

merc91 09-30-2008 07:00 PM

hey Jason, just wonderin if you posted your 5.0 buildup sheet yet. I
probably just missed it but it''s appreciated.

thanks allot, andy

djjsc 06-06-2016 11:07 AM

80's Grand Marquis engines, rears
 

Originally Posted by Adrenolin (Post 6405)
Hello,
I''m in the process of restomoding a 67 Mustang for the wife and ran across an 86 Grand Marquis in a junk yard. We know the yard owner and he said it had a 351w in it. It doesn''t have 60k miles on it and still runs where it sits.

I''m wondering if anyone can give me or point me in the direction for more info on this year engine. ie.. what cam lift/duration, HP, torque, etc. Not sure if I want to leave it as is or toss on an Edelbrock Performer intake, cam, 750 carb, heads along with the JBA mid-length headers and 2.5" exhaust.

Also what was the width of the 9" rearend used in this car? Its got a LSD and I''m thinking I might replace the 8" with the 9" in the Mustang. Pretty sure I''d have to have it cut and perches remounted aswell though.

Thanks!

Not sure when FoMoCo discontinued the 351W in the US destined Panther but the 351W was available to Canadian buyers for years afterward. You might find it referred to as the 351W HO, but is slightly different fr that offered in the F series fr '84 up. 3 items differentiate the car 351W fr the others. The later car 351W never received EFI; had the 7200 VV carburetor instead. As equipped had good torque for pulling a big car. All car 351W HO's had true dual exhaust fr the factory. All 351W HO's had the D0AZ-A camshaft w/ slightly better lift/duration. This is also the same cam used in the Holley carb'd F series HO offered fr '84 up.

I've owned 2 Grand Marquis having 351w engines. First was an '80 having a 2150 Motorcraft carb. This was not an HO engine; basically just a bigger 302 w/ slightly larger 2V carb & same single exhaust. The second was an '87 Colony Park LS. This was a true HO having the 7200 VV carb, dual exhaust & correct camshaft as evidenced when engine removed & rebuilt. This wagon would easily pull itself, a family of 5 w/ luggage & a tandem axle holiday trailer.

Lastly, ALL pre '92 Panthers had the 8.8 in integral carrier rear axle; also same design (different width) as used in the Mustang GT. The last Ford car to have a 9in was the '79 Lincoln; was restricted to trucks after '79.

I know this is an OLD thread; wanted to input based on original Ford literature I have & my experience. Hope this helps.


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