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Cars > Challenges > “#Sleeper” Vs “The Mach”

 

ROLNGTZ’s Profile Photo

ROLNGTZ

M
Smithton, Illinios
United States

machfelon’s Profile Photo

machfelon

M–39
Old Bridge, NJ
United States

 

1991 Chevrolet Beretta GTZ L67/3800sc

“#Sleeper”

2004 Ford Mustang Mach 1

“The Mach”

 
Photo of: 1991 Chevrolet Beretta
Photo of: 2004 Ford Mustang
 

Head to Head

 

About “#Sleeper”

I purchased the car new in '91. I loved the look of the car the minute I saw it. Once I drove it. I had to have it. After a few years of owning it, I started doing mods; big stereo, aftermarket rims, etc. I had been showing it at a few local car shows over the years.

In '02, I decided I wanted more power. Something that was really different. I started a L67/3800sc engine swap. After three years of setbacks and problems and challenges, the car hit the streets. It still has a few bugs to workout. I am very pleased with the results. The body has 102,XXX miles on it. The motor and tranny has about 1000 miles on them now.






L67/3800sc close-up

Custom axles made by The Driveshaft Shop

OBX racing seats with RCI four-point seatbelts

About “The Mach”

2004 Mustang Mach 1
1 of 697 (Born on 11/12/03)
5 Speed with no IUP
SLP LoudMouth 1
K&N Drop In Filter
Black Reflective Inserts
Limo Tint

Coming Soon
4.10's, PHP Intake Spacer, C&L Cold Air Intake, Viper 5000 Alarm

1st Mach 1 on Motortopia

Check out my website www.BestStang.com (Forums Coming Soon)

 

Specs for “#Sleeper”

3800sc swap. VERY rare engine swap. Only 4 L67 swaps that I know of. Tried to dyno the car in Feb. '06, but the car tried to "hoop" off the dyno. So the dyno run was a bust. I have since done a lot of frontend work on the car. Improved the handling and structure of the unibody. Custom axles by The Driveshaft Shop. Rebuilt the entire front cross-member to handle the torque of the L67. New KYB GR2 shocks and struts to improve the ride. Strut tower brace and cross-member braces to stiffen up the frontend more.

Some guessimating on the numbers about 300 horses at the crank & 240+ to the wheels, torque 300+.
Stock '98 GTP
~240chp
~195whp
~280ftlbs torque
weight 3400lbs.
0-60 6.8 seconds
1/4 time of 15.1.
Figure same motor and tranny plus more power in a 2800lbs. car. Guesstimating mid to low 13's in the 1/4mile.

I did most of the work to the L67 swap and most of the bodywork mods myself. I had friends help when needed or showed me how. Can't learn if you don't watch and do.

ENGINE MODS:
cam by Comp Cams 28hp to the crank 19hp to wheels
MSD disc-4 igntion system
MSD coilpacks and wires
SDS stand alone management unit
larger injectors
Thrasher adjustable fuel pressure regulator
Holley inline fuel pump
180' thermostat
Pacesetter headers
2.75" exhaust
highflow cat
Tsudo performance muffler
CAI
smaller supercharger pulley
custom axles by The Driveshaft Shop
2300rpm stall converter
A/C delete pulley
custom fabricated motor mounts
Dual electric cooling fans

SUSPENSION MODS:
KYB GR2 shocks & struts
GM strut tower bar from '95 Z24 Cavalier
Adco rear sway bar
GM strut tower to front cross-member braces '95 Z34 Lumina

EXTERIOR MODS:
one off Ram-air hood I made
Shaved front bumper
Shaved antenna
PCP BMW E-36 Angel-eye headlight swap
PCP clear side markers
'96 Z26 grille
'96 rear filler panels
18" chrome Exel Version 7 rims
Pirelli tires 225/40/18
'04 Mustang Mach 1 front lip
Few more surprises in the works.

INTERIOR MODS:
OBX racing seats
RCI four-point seatbelts
Custon fiberglass dash
Custom fiberglass door panels
Custom fiberglass center console
Custom fiberglass reardeck
Custom headliner
Speedhut whiteface indiglo guages
Speedhut whiteface indiglo HVAC
Autometer guages indiglo/whiteface
Chrome daimond plate backseat area
Sony CD player headunit
Boston Acoustic 6.43 Pro-series component set
JLAudio 12W6's two in sealed box in trunk
2 PPI chrome series amps 2300 & 4400
USAC rated at 145.7 750 watts

More surprises on the way.

Specs for “The Mach”

Engine MOD 4.6L DOHC V8 (Aluminum Block)
Displacement 4.6L, 281 cu. in.
Horsepower @ rpm 305 @ 6000
Torque lb.-ft. @ rpm 320 @ 4250
Compression Ratio 10.1:1
Fuel System Sequential multi-port electronic fuel injection
Fuel Requirement Premium (91 octane minimum)
Exhaust System Stainless steel with chromed rolled tips
Transmission Type 5-speed manual or 4-speed automatic
Final Drive Ratio 3.55:1
Gear Ratios (Manual) 1st - 3.38; 2nd - 2.00; 3rd - 1.32; 4th - 1.00; 5th - 0.62; Rev. - 3.38
Chassis Construction Unitized body
Front Suspension Independent, modified MacPherson strut with Separate spring on lower arm and stabilizer bar
Springs 600 lb Helical coil, rubber-insulated, unique linear rate
Shock Absorbers Integral with Tokico strut, gas-pressurized, Hydraulic, unique valving
Stabilizer Bar 26.5 mm (1.04 in.) solid
Rear Suspension Four-bar link with coil springs on lower arm, unique horizontal axle damper and stabilizer bar
Springs 250 lb Helical coil, rubber-insulated; unique linear rate
Shock Absorbers Unique axle damper, gas-pressurized, hydraulic. Vertical Tokico shock absorbers with horizontal axle dampers, unique valving
Stabilizer Bar 23 mm solid (.905 in.) solid
Steering Power-assisted rack-and-pinion
Overall Ratio 15.3:1 on center
Turning Diameter, Curb-to-Curb 38.1 ft.
Brakes Front Calipers Aluminum dual piston, custom anodised painted
Rotors 330 mm (13 in.) Brembo vented
Rear Calipers Single piston
Rotors 296 mm (11.7 in.) Brembo vented
ABS/Traction Control Yes
Pedals
(Interior Upgrade Package 18G) Optional stainless steel pedal covers are positioned to provide better heel-to-toe relationship
Wheels 17 x 8-inch Magnum 500-style "Heritage Style" (5 spoke)
Tires Goodyear 245/45ZR17 Eagle ZR45
Dimensions
Wheelbase 257.3 cm (101.3 in.)
Overall Length 465.3 cm (183.2 in.)
Overall Height 132.9 cm (52.35 in.)
Overall Width 185.6 cm (73.1 in.)
Tread Width (Front/Rear) 152.9 cm (60.2 in.)/153.9 cm (60.6 in.)
Curb Weight 3465 lbs. (manual) 3475 lbs. (automatic)
Front/Rear Seating Capacity 4
Aerodynamics Coefficient of Drag (Cd) 0.36
Luggage Capacity 10.9 cu. ft.
Passenger Volume 83.0 cu. ft.
Total Interior Volume 93.9 cu. ft.
Fuel Tank Capacity
15.7 gal.

 

Factory Options for “#Sleeper”

Power windows
Power locks
A/C
Cruise
AM/FM cassette
Sunroof
Cargo-net
Lower lumbar support driverside seat
Fold down backseat
Rear window defogger
Driverside airbag

Factory 3.1 140 horses was swapped out for a 3800sc 240 horses. The 3800sc swap is VERY rare for a Beretta. Only a 5 or 6 exist in various forms(turbo, supercharge, N/A) My 3800sc is NOT stock. Check "MODS" section for complete list of mods to car and motor.

Factory Options for “The Mach”

Only 2 options on the 03-04 Mach 1. Interior Upgrade Package and auto or manual.
Mine has no IUP & Manual

 

Mods for “#Sleeper”

ENGINE:
L67/3800sc swap
custom fabricated motor mounts
Pacesetter headers
2.75" exhaust
high flow cat
Tsudo performance muffler
dual electric cooling fans
cam by Comp Cams
larger injectors
180' thermostat
MSD-Disc4 ignition system, wires, & coilpacks
SDS stand alone management unit
AEM Wideband
smaller supercharger pulley
Holley inline fuel pump
Thrasher adjustable fuel pressure regulator
custom axles by The Driveshaft Shop
stall torque converter 2300rpms
A/C Delete pulley

SUSPENSION:
KYB GR2 shocks & struts
GM Strut tower flex-bar '95 Z24 Cavavlier
GM Strut to crossmember braces '95 Z34 Lumina
Adco rearsway-bar
Pirelli 225/40/18 tires

INTERIOR:
OBX racing seats
RCI four-point seatbelts
Speedhut white-face Indiglo guages
Speedhut white-face Indiglo HVAC
fiberglass dashboard. door panel, center console, reardeck
custom headliner
Auto-Meter white-face Indiglo guages molded into dash
Grant steering wheel

EXTERIOR:
one off custom Ram-air hood
shaved front bumper
shaved anteena
PCP E-36 angel-eye headlights swap
'95 Z26 grille
'95 rear filler panels
18' chrome Exel Version 7 rims
sunroof
PCP clear side markers

AUDIO:
6.43 Boston Acoustic highs & mids
two JLAudio 12W6 subs
Sealed box sub-box
PPI chrome series amps 2300 & 4400
2300 running front sound stage
4400 running subs at 3ohm mono 2x300
USAC rated at 145.7
750 watts total
Sony CD flip-face headunit

Mods for “The Mach”

SLP LoudMouth 1
K&N Drop In Filter
Limo Tint
Black Inserts

 

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Points for #Sleeper Total Votes Points for The Mach
41 17 44

 

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