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Justin's 1973 Mach 1 "Q" Code


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Well I picked up my 13 year old son's first car this past weekend. Yes, he wanted a 1971-73 Mach 1 Mustang for his first vehicle. We had just about settled on a 1971 Mach 1 302/3 speed manual with a 1971 fastback as a parts car. When a buddy of mine sent me some pictures of a 1973 Mach 1 "Q" code 2 hours closer and the same money. I finally got in touch with the owner and he told me it was sold. I was somewhat distraught over the missed opportunity. One day later the owner calls me and said the buyer backed out. That was a great call in itself but then he lowered the price by $500 bucks. Well here is the project that my son and I will be undertaking. Oh! I bought the car for $3500.

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I ordered the Deluxe Marti Report today. I think the Ivy Glow paint and Avocado interior might be somewhat unique but we will see. Ivy Glow/C4 paint was new for 1973. I guess we will wait and see.

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Looks like a good one, time to break out the debit card:P

351w - Ford racing GT40X 178 cc aluminum heads - Ford racing(crane) 1.7 roller rockers - Comp Cams 280H magnum cam .544" / .544" lift - ARP hardware - hedman longtubes - magnaflow exhaust with X pipe - Duraspark - MSD digital 6al box - MSD TFI coil - optima red top battery - tuff stuff 140 amp alternator - weiand stealth intake  - edelbrock 1406 600 carb  - march pullies and brackets - Be cool fan controller - derale electric fan - FMX trans - motive 4.11 gears - traction lok - lakewood traction bars.                                            

 

 

 

 

 

 

 

 

 

 

 

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WELCOME AND ENJOY,WE ARE FAR APART BUT IF YOU NEED SOME THINGS PUT IT UP HERE WE ALL HAVE EXTRA,,,HAVE FUN MOST IMPORTANT..IF U ARE INTERSTED IN SOME THINGS FEEL FREE TO CALL ME 321 652 3767 I HAVE MANY PARTS ALSO A 71 MACH1 351 4V 4SPEED CAR FOR PARTS.IF INTERESTED USE THE PHONE ANYTIME'

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  • 2 months later...

Lately with both my 17 year old and 13 year old playing Jr. High and HS baseball time has been at a premium. We have managed to change out the battery cables and solenoid. Trying to get ready to drop a battery in it to check compression and possibly crank the beast.

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Enjoy the project, keep us posted.

-john

(jbojo)

351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,

C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

 

Some Mod pictures can be seen at: [button=http://www.7173mustangs.com/forum-garage?filterxt_uid=2026]Bojo's Garage[/button]

 

 

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Looks like a nice car to start with, good luck on the build, looking forward to the progress. Ryan

1973 Mach 1, Porsche Guards Red, 429/C6

1972 Mach 1, Grabber Blue, 302/C4, currently under construction

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  • 3 weeks later...

I am considering stroking the Cleveland to 408 CI with a Scat rotating assembly. I would like the engine to make more torque down low in the powerband. The compression will be around 9:1-9.3:1 depending on deck height and completed combustion chamber size. I think I found the cam kit too. It is a Comp Cam Magnum hydraulic roller with 224 duration and 566 lift. I am not settled on the induction yet whether we stay factory or go aftermarket.

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I am considering stroking the Cleveland to 408 CI with a Scat rotating assembly. I would like the engine to make more torque down low in the powerband. The compression will be around 9:1-9.3:1 depending on deck height and completed combustion chamber size. I think I found the cam kit too. It is  a Comp Cam Magnum hydraulic roller with 224 duration and 566 lift. I am not settled on the induction yet whether we stay factory or go aftermarket.

 

I would stray away from the comp cams Hydraulic roller set up....... I have had nothing but trouble with my comp roller lifters in my 408.  3 collapsed so far.  Still fighting with them over it.  junk junk!

Kevin
1971 Mach 1

408C Stroker - C4 w/3,000 stall - 8.8" Rear w/3.73's - Disc brakes all way around.

 

 

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I am considering stroking the Cleveland to 408 CI with a Scat rotating assembly. I would like the engine to make more torque down low in the powerband. The compression will be around 9:1-9.3:1 depending on deck height and completed combustion chamber size. I think I found the cam kit too. It is  a Comp Cam Magnum hydraulic roller with 224 duration and 566 lift. I am not settled on the induction yet whether we stay factory or go aftermarket.

 

I would stray away from the comp cams Hydraulic roller set up....... I have had nothing but trouble with my comp roller lifters in my 408.  3 collapsed so far.  Still fighting with them over it.  junk junk!

 

Dang man that sucks! I have always liked Comp's stuff. I think the problem is everything now is Chinese junk.

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I am considering stroking the Cleveland to 408 CI with a Scat rotating assembly. I would like the engine to make more torque down low in the powerband. The compression will be around 9:1-9.3:1 depending on deck height and completed combustion chamber size. I think I found the cam kit too. It is  a Comp Cam Magnum hydraulic roller with 224 duration and 566 lift. I am not settled on the induction yet whether we stay factory or go aftermarket.

 

I would stray away from the comp cams Hydraulic roller set up....... I have had nothing but trouble with my comp roller lifters in my 408.  3 collapsed so far.  Still fighting with them over it.  junk junk!

 

Dang man that sucks! I have always liked Comp's stuff. I think the problem is everything now is Chinese junk.

 

Not everything but most!!

Kevin
1971 Mach 1

408C Stroker - C4 w/3,000 stall - 8.8" Rear w/3.73's - Disc brakes all way around.

 

 

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  • 2 weeks later...

In my spare time I performed a compression check on the engine. Multiple cylinders with zero compression was not promising for a motor that was supposed to be rebuilt. I decided that I would tear it down to figure out the problem. I am pretty sure the problem is the heads. It looks like the motor has been rebuilt with new slugs in every hole. It looks as if the heads received no attention. I will completely tear the motor apart and rehone the cylinders, check line bore, lifter bore alignment, and bearing clearances.

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The heads will get a complete rebuild with Ferrara valves, new valve train, bronze guides, and 3 angle valve. Thinking about some new pedestal roller rockers by Scorpion and chromoly push rods as well. It looks like the lifters are new. As soon as I finish pulling the balancer and front timing cover I will see about the timing chain and camshaft. So far it looks like someone actually used decent components on the build.

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  • 3 months later...

I ordered the Deluxe Marti Report today. I think the Ivy Glow paint and Avocado interior might be somewhat unique but we will see. Ivy Glow/C4 paint was new for 1973. I guess we will wait and see.

 

No you do not have to wait. I looked it up and according to Marti's book Mustang by the numbers I can tell you the following. Your color 4C is Ivy Bronze Metallic and the interior code of GG is only in the Mach 1 Sports Interior and they made 693 of them. You can find the books on Mart's web site or look on Amazon.

When a man is in the woods and talks and no women are there is he still wrong??:P

David

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  • 3 months later...

Well guys after tearing down the Cleveland down we found multiple issues. The guy that put the motor together had failed to torque multiple main and rod bolts. The 4MA crank was .030/.030 but seemed freshly cut. It does have new H555CP pistons and the bores are fresh accept the condensation flash rust from sitting up for years. The rod bolts will need to be changed to ARP. Needless to say I am glad we tore it down.

I picked up some parts from Craigslist. I paid $400 for a 4 bolt 351C block .030, a set of large valve 4V heads, the heads came with Crane stud conversion installed, and Comp 1.73 roller rockers. Along with the sale I got a Summit billet distributer, Moroso valve covers, Comp .080 wall chromoly push rods, and Eddy Torker intake. Yeh most of which will be sold to purchase needed parts.

I also recently purchased a 4MAB STD/STD crank from a guy in Detroit for $150. Eddie, the guy in Detroit, actually has more STD/STD cranks in his collection he wants to sell.

Please tell me what you think about the proposed build below for the daily driven 1973 Mach 1 for my son's first car. I know some will not like the 73 4V heads but I have been instructed by a few Cleveland guys that the small valves will actually help performance down low for daily driving and cruising.

 

Engine Plan: 357C w/9.25:1 compression (daily driven 350-375hp build?)

.030 block (decked .025)

4MAB STD/STD (fully polished and prepped)

D0AE rods with ARP fastners

Sealed Power H555CP flat top pistons

Balance rotating assembly

D3AE 4V open chamber heads

- Ferrea valves 2.08/1.65

- Crane Stud Conversion

- Comp Cams 1.73 roller rockers

- New guides, springs, locks, retainers, and seals

- .010 surface cut (possibly more depending on CC after polishing chambers)

- polish combustion chambers (help prevent detonation)

Howards Street Force 2 camshaft kit

-215/225 @ .050, 269/279 advertised, 513/536 lift, ICL 106, LSA 112

-1600-5400 RPM

Edelbrock Performer RPM Air Gap intake

Self learning EFI system (FiTech, EZ EFI, Holley sniper)

 

Exhaust Plan:

Hooker 4v headers w/1.75" or 1.875" primaries

Pypes stainless 2.5" mandrel bent exhaust

 

Transmission Plan: Non Electronic AOD for Fox body Mustang

AOD wide ratio conversion to 4R70W gears

2000-2200 stall

(Justin's car has 3.25 gearing with track lock)

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I ordered the Deluxe Marti Report today. I think the Ivy Glow paint and Avocado interior might be somewhat unique but we will see. Ivy Glow/C4 paint was new for 1973. I guess we will wait and see.

 

Im in the same boat, friend.

4C - Ivy Glow Paint

GG - Avocado Interior

 

1949 Ford F1 Truck

1951 Studebaker 2R5 Truck

1956 Chevrolet 3100 Truck

1967 Chevrolet Camaro

1968 Oldsmobile Toronado

1969 Chevrolet El Camino

1969 Ford Torino GT

1971 Mercury Cougar XR7

1973 Ford Mustang Mach 1

1974 Dodge Charger Hardtop

1975 Ford Maverick Superluxo

1977 Ford Maverick GT

 

 

 

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  • 3 months later...

A month or so ago my son and I started removing components to ready the car for the body shop.

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A month or so ago my son and I started removing components to ready the car for the body shop.

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