Making Power with EFI SD

BigSlappy

Member

Sep 4, 2022

73

14

18

Buffalo, New York

Jun 15, 2023

#1

• Jun 15, 2023

• #1

This has most likely been said a lot and I'm probably going to anger a couple of you, but how are you guys making power on a 5.0 EFI SD? My goal is to hit between the 250 and 300hp mark. People have been saying no cam because of SD and I'm not sure if gt40 heads and intake would be worth the while due to explorers and mountaineers being impossible to find in junkyards in my area. So far I got a 2.5" exhaust with headers and pulleys for anything "power" related.

 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor

Admin Dude

Jan 4, 1985

42,928

21,103

234

Box behind Walmart

Jun 16, 2023

#2

• Jun 16, 2023

• #2

Step 1: Install blower kit and fuel system supporting mods

Done

 

Reactions: BigSlappy, Essn95 and mikestang63

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor

Admin Dude

Jan 4, 1985

42,928

21,103

234

Box behind Walmart

Jun 16, 2023

#3

• Jun 16, 2023

• #3

Addendum: Put stock pullies back on the car.

 

Mustang5L5

That is…until I whipped out my Bissell

Mod Dude

Feb 18, 2001

43,176

17,877

224

Massachusetts

Jun 16, 2023

#4

• Jun 16, 2023

• #4

Between 250-300HP crank?

GT40 heads, exploter/cobra/gt40 intake. 1.7 RR's on the stock cam and full exhaust. That should put you into that range. I've had all that (other than heads) on my '88 and a few other mods (65mm TB, pullies, E-fan) but left the stock cam and it ran very well and idled like stock.

The stock cam isn't that bad, especially the early 85-88 cam. It just doesn't chop like people want so they deem it junk and stick a N41 in.

 

Reactions: mikestang63

rednotch

I'd like to remain having one chocolate starfish

Founding Member

Aug 14, 2000

1,382

619

143

south jersey

Jun 16, 2023

#5

• Jun 16, 2023

• #5

11r heads small chamber heads, used systamax intake, good adjustable timing set to degree the stock cam, 1.7 -1.72 rockers and pushrods, rest of the normal bolt on stuff. If it was mine.. But I'd probably ditch the SD too and use a much better cam, did the stock cam stuff years ago with afr 165's.

 

mikestang63

SN Certified Technician

Aug 27, 2012

11,606

8,859

214

In the garage

Jun 16, 2023

#6

• Jun 16, 2023

• #6

easy peasy a few ways

1. Vortech
2. Nitrous
3. Explorer intake, heads, 1.7 Rockers. they still sell SD friendly cams

I made around 280hp back in the day with the stock cam, Edelbrock heads, 1.7 Rockers, 70 MM TB, headers, Explorer intake. I first added a 125shot of the old NOS 5115 kit. I had Mike Johnson of JMS burn a remote tune and it made around 350 rwhp. Eventually around 1991 or 92 i swapped that for at that time the new Vortech V1 making 8# of boost, at which time I also swapped to Mass AIr.

 

M

Monkeybutt2000

Mustang Master

Aug 11, 2019

1,387

849

133

Lafayette,IN

Jun 19, 2023

#7

• Jun 19, 2023

• #7

87 LX coupe,stock bottom with stock GT40 irons,1.7rr,Cobra intake and all the normal bolt-ons. No idea how much power it made but it went 12.80s@105mph. Super fun car on the street.

 

Reactions: BigSlappy and General karthief