• Mustang Forums
  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech

Need help On I6

  • Thread starter Thread starter timwcol2
  • Start date Start date May 11, 2006

timwcol2

New Member
May 4, 2006
35
0
0
OK
May 11, 2006
#1
  • May 11, 2006
  • #1
Im not an engine guy, so I'm not for sure what I need to do to get more power. Any ideas. it is in a 66 coupe
 
D

danny clemens

Member
May 4, 2005
728
0
16
May 11, 2006
#2
  • May 11, 2006
  • #2
You can do any of the things to an I6 that you do to a V8 to get more power. Headers, bigger carb, head work, bigger cam more compression and the list goes on. If you really want serious power it would be better to swap out to a V8. There's lots of info here that you can search for or ask specific questions.
 

timwcol2

New Member
May 4, 2006
35
0
0
OK
May 11, 2006
#3
  • May 11, 2006
  • #3
danny clemens said:
You can do any of the things to an I6 that you do to a V8 to get more power. Headers, bigger carb, head work, bigger cam more compression and the list goes on. If you really want serious power it would be better to swap out to a V8. There's lots of info here that you can search for or ask specific questions.
Click to expand...

I want power but I want to keep the orig. motor.The car has a hooker header on it already but only has a single barrell carb. Dont know what order i really need to start with the car. Should the engine be first, or the paint then interior then the engine?
 

68keyblr

20+ Year Stangneter
Mar 17, 2003
946
20
49
Arizona
May 11, 2006
#4
  • May 11, 2006
  • #4
Coupla sites for you:
http://cliffordperformance.net/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=CP&Category_Code=F2

http://www.fordsix.com/

http://www.fordsixparts.com/
 

timwcol2

New Member
May 4, 2006
35
0
0
OK
May 11, 2006
#5
  • May 11, 2006
  • #5
68keyblr said:
Coupla sites for you:
http://cliffordperformance.net/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=CP&Category_Code=F2

http://www.fordsix.com/

http://www.fordsixparts.com/
Click to expand...

thanks
 

rbohm

Founding Member
Apr 12, 2002
6,698
550
204
tucson,az
May 12, 2006
#6
  • May 12, 2006
  • #6
stay away from clifford as they have a poor customer service record these days. mike over at www.fordsixparts.com has a new aluminum head coming fairly soon that will have a removable intake, and will definately increase hp and torque. some things you can do if you want to keep the stock head are;

1: find an offenhauser 3x1bbl carb settup, and work that on your head. the extra carbs will add power when you drop the hammer.

2: if you dont want the 3x1bbl settup, stovebolt.com has an adapter that will let you install a 5200 holley/weber carb from a pinto in place of the stock 1bbl carb, and that will also give you a power increase, as well as better fuel economy.

3: you can also install a carter yf carb from a 240/300 or mid 70's 250 granada onto your stock head. you will have to enlarge the carb opening a bit.

4: you can go to a better aftermarket cam. fordsix parts has a few to choose from, as does comp cams and crane cams as well. keep it mild as the log head doesnt care about valve lift over .425" or so.

5: you can have larger valves installed in the head, 1.75in/1.50ex is as big as you want to go.

6: mill the head .050 for more compression.

7: set your ignition timing by advancing the timing untill you get detonation, then back off untill it goes away.

8: if you have the load-o-matic dist, toss it in the trash and get a dual advance dist from a 68 and later 200. if you get a points dist. use a pertronix ignitor. you can also use a duraspark dist from a mid 70's and later 200 or 250.
 
D

danny clemens

Member
May 4, 2005
728
0
16
May 12, 2006
#7
  • May 12, 2006
  • #7
timwcol2 said:
I want power but I want to keep the orig. motor.The car has a hooker header on it already but only has a single barrell carb. Dont know what order i really need to start with the car. Should the engine be first, or the paint then interior then the engine?
Click to expand...

That would depend entirely up to what you think is the most important. I think anything to do with safety should be first. Good brakes, steering and suspension are the most important items. Drive train reliability would be second. If it were me I would repaint the car and redo the interior if the engine is reliable but that is just me. Another thing you might think about is will the stock drive train hold up under heavy engine mods. Some guys that have built I6's might be able to give you more insight on that.
 
5

57fairlane

New Member
Apr 2, 2005
560
0
0
Oakwood, GA
May 12, 2006
#8
  • May 12, 2006
  • #8
someone had a turbo on one . . .

a t3/t4 hybrid would probably the easiest to find/cheapest and work extremely well.
 

rbohm

Founding Member
Apr 12, 2002
6,698
550
204
tucson,az
May 12, 2006
#9
  • May 12, 2006
  • #9
yep will and kelly's 63 falcon featured in hot rod, i forget which issue, is turbo charged, and runs low 12's. they are going to be trying to get it into the 11's.
 
You must log in or register to reply here.

Similar threads

M
3d scans of 67-68 engine bay?
  • Margrave30
  • Jul 27, 2026
  • Classic Mustang Specific Tech
Replies
1
Views
100
Classic Mustang Specific Tech Jul 27, 2026
Noobz347
S
Best place to source power steering parts for a '67? (control valve, ram, hoses)
  • SophiaTatum
  • Jun 15, 2026
  • Classic Mustang Specific Tech
Replies
2
Views
191
Classic Mustang Specific Tech Jun 18, 2026
SophiaTatum
S
G
Need tuning help with 4100 Carburetor
  • Gary’s 67
  • Aug 18, 2026
  • 1965 - 1973 Classic Mustangs -General/Talk-
Replies
5
Views
234
1965 - 1973 Classic Mustangs -General/Talk- Aug 22, 2026
manicmechanic007
R
Efi to car pcv HELP !
  • rgrendell
  • Jul 29, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • 2
Replies
23
Views
599
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Aug 2, 2026
Noobz347
T
Need help with 302 swap
  • thxmxrgx
  • Sep 23, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
5
Views
255
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Sep 24, 2026
thxmxrgx
T
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?