Just got back from the scales - Vintage Mustang Forums
 20Likes
Reply
 
Thread Tools
post #1 of 42 (permalink) Old 07-01-2019, 11:12 AM Thread Starter
Senior Member
 
Join Date: Oct 2014
Posts: 120
Just got back from the scales

I found a scale at the local Aldi trucking warehouse and weighed my 66. I got 1780 front and 1520 rear for 3300 lbs total. That's with me in it (200lbs) and over half a tank of gas. 54/46 weight distribution is not as bad as I expected, but I haven't added the compressor/condenser for the a/c or the 351w yet either.

I have the RMS motor mounts with the engine as down and back as far as I can get it with the 4r70w hogging up space in the tunnel. EPAS unit is in the dash, and the 8.8 out back is heavier than what came out too. Battery is in the trunk on the R side.

Any thought or suggestions?

I'm thinking the 351w will need aluminum heads and hopefully not be heavier than the 302. Would a fiberglass hood shed much weight up front? The 351w might hit the factory hood I have anyways.

Also, here's a pic of my uncorrected speedo for fun
Attached Images
File Type: jpg go fast.jpg (414.7 KB, 32 views)

1966 Mustang 302ci 4r70w, csrp front discs, 8.8 rear, EPAS, Fitech for fuel

Last edited by copracr; 07-01-2019 at 11:16 AM.
copracr is offline  
Sponsored Links
Advertisement
 
post #2 of 42 (permalink) Old 07-01-2019, 11:33 AM
Dimples
 
BlakeTX's Avatar
 
Join Date: Sep 2016
Location: Fort Worth, TX
Posts: 3,375
Garage
I donít think thatís bad at all. Aluminum heads will help with more things than weight. Otherwise, I think youíre doing pretty well there. Nice to be 500+lbs lighter than the newer pony cars.

The anvil of reality.
BlakeTX is online now  
post #3 of 42 (permalink) Old 07-01-2019, 12:43 PM Thread Starter
Senior Member
 
Join Date: Oct 2014
Posts: 120
Quote:
Originally Posted by BlakeTX View Post
I donít think thatís bad at all. Aluminum heads will help with more things than weight. Otherwise, I think youíre doing pretty well there. Nice to be 500+lbs lighter than the newer pony cars.
I'd just like to know the option package that would get you to 2445 like wikipedia says. That's got to have no engine or seats in it

1966 Mustang 302ci 4r70w, csrp front discs, 8.8 rear, EPAS, Fitech for fuel
copracr is offline  
 
post #4 of 42 (permalink) Old 07-01-2019, 01:58 PM
Senior Member
 
maladezo's Avatar
 
Join Date: Jul 2015
Location: Californication
Posts: 1,089
Garage
Shave your legs for a good 5# weight reduction!
My 67 390 w/iron heads and tranny weighs 3100 flat. Weighed it at several different scales too. Fiberglass front bumper, no back seat, heavy sound insulation removed, manual steer and brakes, no tail pipes. The hood won't get you much, if any. I would try a different scale next time, sounds a bit high.
zray and Huntingky like this.

'67 coupe, 390, 4spd.
maladezo is offline  
post #5 of 42 (permalink) Old 07-01-2019, 02:38 PM
Senior Member
 
Join Date: Jul 2013
Posts: 4,303
CHECK YOUR OIL PRESSURE!

Seems kinda heavy to me, If those scales are off any i would bet they are to the heavy side so they have a margin to not be overloaded and get a ticket.
2445lbs must be dry and an I6 and no AC

Verbose Vocabularian
1ofAMillion+ is online now  
post #6 of 42 (permalink) Old 07-01-2019, 04:16 PM
Senior Member
 
wicked93gs's Avatar
 
Join Date: Feb 2009
Location: Nashville TN
Posts: 1,022
Quote:
Originally Posted by copracr View Post
I'd just like to know the option package that would get you to 2445 like wikipedia says. That's got to have no engine or seats in it
Its likely a base T-Code with no AC, radio(yes, a radio was an option) or any other frills, with an empty tank.

If I filled the tank and sat in that no frills car, the car would weigh 2800lbs...so the OP is 500lbs over the no-frills base coupe...120lbs of that is the 351w...another 50 or 60lbs is the trans...plus the heavier rear-end, who knows what PS and AC options, pony interior...etc.

As far as easy weight reduction...aluminum heads, and a fiberglass hood will lose you up to 80lbs(or slightly more if you choose just a pin-on hood skin) and of course there are a number of other weight reducing things you can do...wheels and tires for example are not mentioned...17"+ wheels will add a lot of weight. You can go to the extreme of using titanium lug nuts, etc....and of course there are plenty of other weight reduction strategies. A lot of people will add sound deadening, insulation, etc that didn't come from the factory...everything you add to the car adds weight. In the end though...a 351w is not the engine choice for a featherweight car...not the heaviest engine, but not the lightest...same for the 4r70w trans. If you want to build a featherweight, your best choice is a hopped up I6(say chopped up and welded together LS1 head) mated to a T5 trans.
wicked93gs is online now  
post #7 of 42 (permalink) Old 07-01-2019, 04:32 PM
Dimples
 
BlakeTX's Avatar
 
Join Date: Sep 2016
Location: Fort Worth, TX
Posts: 3,375
Garage
Quote:
Originally Posted by wicked93gs View Post
... a hopped up I6(say chopped up and welded together LS1 head) mated to a T5 trans.
Care to elaborate on this one?

The anvil of reality.
BlakeTX is online now  
post #8 of 42 (permalink) Old 07-01-2019, 04:33 PM
Senior Member
 
Grimbrand's Avatar
 
Join Date: Jan 2019
Location: Sedgwick, Kansas
Posts: 754
The 289/302 engines are about 80 lbs lighter than a 351. With aluminum heads and intake, you'll be just a little lighter than a stock cast-iron 302. But, turning that around a little, going with aluminum heads and intake on a roller-cam 302, you can get a lot closer to the 50/50 weight bias you wanted.
Huskinhano and Huntingky like this.

"No matter what you are, be the best one you can." -Abraham Lincoln
Grimbrand is online now  
post #9 of 42 (permalink) Old 07-01-2019, 06:01 PM
Senior Member
 
wicked93gs's Avatar
 
Join Date: Feb 2009
Location: Nashville TN
Posts: 1,022
Quote:
Originally Posted by BlakeTX View Post
Care to elaborate on this one?
Sure:

https://bangshift.com/bangshift1320/...rd-inline-six/

Like this guy...there is actually a whole group of Ford 6 guys who do this...for obvious reasons. They use LS heads rather than Ford heads because the LS1 firing pattern does not require a custom cam(or rather, any old performance I6 cam works fine with it...unlike say LS1 heads on a small block ford v8...which does require a custom cam). If they used Ford heads, it would require a custom cam.

Last edited by wicked93gs; 07-01-2019 at 06:04 PM.
wicked93gs is online now  
post #10 of 42 (permalink) Old 07-01-2019, 06:01 PM
Senior Member
 
schweigert's Avatar
 
Join Date: Jul 2013
Location: Los Angeles
Posts: 635
Quote:
Originally Posted by wicked93gs View Post
Its likely a base T-Code with no AC, radio(yes, a radio was an option) or any other frills, with an empty tank.
a fiberglass hood will lose you up to 80lbs

wait are our hoods really that heavy?

Daily Driver 69 coupe https://imgur.com/a/FztYA

schweigert is offline  
post #11 of 42 (permalink) Old 07-01-2019, 06:08 PM
Senior Member
 
wicked93gs's Avatar
 
Join Date: Feb 2009
Location: Nashville TN
Posts: 1,022
Quote:
Originally Posted by schweigert View Post
wait are our hoods really that heavy?
No...and yes...a stock hood weighs 46lbs...a fiberglass hood 27lbs...a hood skin abut 10-15lbs. 80lb loss is in addition to aluminum heads...or at least I meant to type it that way.
schweigert likes this.
wicked93gs is online now  
post #12 of 42 (permalink) Old 07-01-2019, 06:29 PM
Senior Member
 
geicoman58's Avatar
 
Join Date: Apr 2012
Location: Annapolis,MD
Posts: 2,019
Is the old rule of thumb that a hundred pounds is good for a tenth at the track?
geicoman58 is offline  
post #13 of 42 (permalink) Old 07-01-2019, 07:06 PM
Dimples
 
BlakeTX's Avatar
 
Join Date: Sep 2016
Location: Fort Worth, TX
Posts: 3,375
Garage
Quote:
Originally Posted by wicked93gs View Post
Sure:

https://bangshift.com/bangshift1320/...rd-inline-six/

Like this guy...there is actually a whole group of Ford 6 guys who do this...for obvious reasons. They use LS heads rather than Ford heads because the LS1 firing pattern does not require a custom cam(or rather, any old performance I6 cam works fine with it...unlike say LS1 heads on a small block ford v8...which does require a custom cam). If they used Ford heads, it would require a custom cam.
1. That is really cool. First Iíve heard of such a thing.

2. As cool as that is, you make it sound like itís a viable option for the street. It clearly is not. The bore spacing doesnít even match. This appears to be a wacky race idea that sort of worked for one guy 5 years ago.

The anvil of reality.
BlakeTX is online now  
post #14 of 42 (permalink) Old 07-01-2019, 07:30 PM
Senior Member
 
wicked93gs's Avatar
 
Join Date: Feb 2009
Location: Nashville TN
Posts: 1,022
Actually...this guy was the pioneer...the others doing it are welding the heads and coming up with a semi-reliable engine. I personally wouldnt go that route...far easier to find an aluminum Aussie crossflow head...or swap in a later SOHC 4.0 or DOHC 4.0 Aussie engine...but I do admire the work involved.
wicked93gs is online now  
post #15 of 42 (permalink) Old 07-01-2019, 08:31 PM
Dimples
 
BlakeTX's Avatar
 
Join Date: Sep 2016
Location: Fort Worth, TX
Posts: 3,375
Garage
Quote:
Originally Posted by wicked93gs View Post
...or swap in a later SOHC 4.0 or DOHC 4.0 Aussie engine...but I do admire the work involved.
To bring it back to weight, I dunno man. A Barra 6 weighs about 75lbs less than a 289 with iron heads. I think that killed your featherweight plans while adding 5x or more cost.

The anvil of reality.
BlakeTX is online now  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Vintage Mustang Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are Off

 
For the best viewing experience please update your browser to Google Chrome