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Author
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Topic: Customers Project 90 GT
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Moneymaker
Administrator Posts: 8591
From: Lyons, IL, USA
Registered: May 99
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posted 04-13-2001 03:33 PM
   
We have a new project car in the shop. It's a customers 100K mile 90 Mustang GT automatic hatchback that we are doing some bolt on upgrades to. I thought that it might be interesting for us to chronical the steps and improvements as we install them, and document the ET improvments. Any interest?  ------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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wythors
Gearhead Posts: 2179
From: La Conner WA HOW 'BOUT THOSE MARINERS?!?!?
Registered: Sep 2000
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posted 04-13-2001 05:02 PM
Very much so!! I have done the following to my '93 AOD 'vert:FRPP unequal length headers
Flowmaster Force II cat-back
Summitt Racing fenderwell air induction
3-row radiator
180* thermostat It has factory 3.27 gears. I'd be interested in hearing how you (as a professional) would go about modifications on a car like this. [This message has been edited by wythors (edited 04-13-2001).]
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65Cyclone
Gearhead Posts: 202
From: Orlando,FL
Registered: Sep 99
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posted 04-13-2001 07:20 PM
Im game !!------------------
Mike Cyclone's Famous Fords
http://www.geocities.com/cyclone_427 -------------------------
65 Cyclone 351W -current project
88 Ranger 2.3 - Daily driver
90 Stang GT-AOD
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Stewart
Moderator Posts: 5956
From: Monterey, CA Mustangsandmore Member #437
Registered: Apr 2000
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posted 04-13-2001 10:30 PM
Oh hell yeah, Alex! M&M's first project car, detailed by Alex Denysenko!BTW Alex, with regards to my email to Mr. Hamkins, I have yet to receive a response from him. Back to the 90 GT. I would really be interested because as you know, I want to upgrade my 90 GT too! Yes, yes, yes! Please, chronicle the progress here! Stewart
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Moneymaker
Administrator Posts: 8591
From: Lyons, IL, USA
Registered: May 99
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posted 04-14-2001 12:02 AM
OK we'll give you all a teaser tonight and more details on Sunday or Monday. Parts so far are FoMoCo GT-40 upper and lower intake, E-303 cam (customers request)FRPP lifters, Crane valve spring, retainer, keeper kit. (very cool deal)1.7 FRPP rockers,65mm throttle body, Cloyes timing set (again customer supplied)and Fel-Pro gaskets. ------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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Stewart
Moderator Posts: 5956
From: Monterey, CA Mustangsandmore Member #437
Registered: Apr 2000
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posted 04-14-2001 12:47 AM
Alex, how does the GT-40 intake (upper and lower) compare to the Edelbrock Performer intake? How much of a difference does going from 1.6 to 1.7 rockers make? I would assume you'll be keeping the stock heads?Stewart [This message has been edited by Stewart (edited 04-14-2001).]
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wythors
Gearhead Posts: 2179
From: La Conner WA HOW 'BOUT THOSE MARINERS?!?!?
Registered: Sep 2000
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posted 04-14-2001 11:23 AM
I'll be interested to know if modifications are necessary to the factory valve covers with the 1.7 rockers. Will 1.7's make a noticeable difference with the stock cam? You state that the E303 is a "customer request". Would you have a different recommendation for a street cam on an AOD car?
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Moneymaker
Administrator Posts: 8591
From: Lyons, IL, USA
Registered: May 99
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posted 04-15-2001 12:05 PM
The 1.7 rockers will enhance the lift and duration slightly. The greatest attribute will be their "exact" 1.7 ratio as opposed to the fatorys poor tollerances. We will be able to utilize the full lift and duration of the E-303 camshaft. Fartory 5.0 rockers vary from 1.44 to 1.56. I have NEVER found one to be 1.6. "That's why you can pick up so much on a stock 5.0 with nothing more than a 1.7 FRPP rocker installation." We are using the stock 100K heads as compression was great. The stock valve covers need minor modifications to the oil baffles to clear the rockers and I suggest using the thick Fel-Pro gaskets. This is our first installtion of a GT-40 intake on a stock AOD equipped car (customers request) so I will let you all in on the outcome. I suspect that the low end will suffer. I would have preffered the Edelbrock Performer. I would have chosen a different cam with this intake also. ------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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Stewart
Moderator Posts: 5956
From: Monterey, CA Mustangsandmore Member #437
Registered: Apr 2000
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posted 04-16-2001 12:44 AM
What cam would you have preferred to use with the GT-40, Alex? Would you recommend the E303 for the Edelbrock Performer heads? If not, what would you recommend? Would your cam recommendation for the Performer heads change if the car needed to meet CA emissions? Thanks for taking the time to do this for us! Stewart
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Capri
Moderator Posts: 1073
From: Lyons, ILL, USA
Registered: May 99
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posted 04-16-2001 12:38 PM
1 side note. The Crane spring/retainer/keeper kit does have 1 slight problem. The keepers might not let the valve springs sit at the proper height. Crane has another keeper set that will correct this problem. We should have them by Thursday. Basically, the rocker arm will not allow the roller tip to ride on the valve and hit the retainer. The keeper change will lower the spring and retainer so the rocker will clear with little problem. The stock rockers would have cleared with no problem. Also, you might have to modify the inside of the valve covers for clearence of the rockers.Unfortunatly we are on hold with this project for now =( For the record, this project is for Wes Davis. He is 1 of our crew on ocassion when we are out racing. Tony.
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Moneymaker
Administrator Posts: 8591
From: Lyons, IL, USA
Registered: May 99
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posted 04-23-2001 07:14 PM
Waiting on more parts. I hate backorders!  ------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link
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GTRocks
Gearhead Posts: 1335
From: Lusby, MD, USA
Registered: Jun 99
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posted 04-24-2001 09:57 AM
quote:
Originally posted by Moneymaker:
The stock valve covers need minor modifications to the oil baffles to clear the rockers and I suggest using the thick Fel-Pro gaskets.
For us newbies to these sorts of mods, could you further explain what is done for this. I am assuming that the thick Fel-Pro will raise the valve covers, is that correct? What exactly do you do to the oil baffles? Thanks guys, for giving us this thread. I for one am very interested.
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Capri
Moderator Posts: 1073
From: Lyons, ILL, USA
Registered: May 99
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posted 04-24-2001 10:55 PM
On the baffles, using the thicker valve cover gaskets will aid in lifting the valve covers off of the top of the rocker arms. Sometimes you have to grind out the material that the baffle is made out of. Basically, a piece of sheet metal held in by a few screws. Then grind it away. Then this eliminates the problem all together.Tony
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wythors
Gearhead Posts: 2179
From: La Conner WA HOW 'BOUT THOSE MARINERS?!?!?
Registered: Sep 2000
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posted 05-21-2001 11:19 AM
I know you guys have been busy racing, but is there any new news on this?Dave
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Capri
Moderator Posts: 1073
From: Lyons, ILL, USA
Registered: May 99
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posted 05-21-2001 06:07 PM
Actually, there is a bit of news to report. All of the backorderd parts have come in and the motor is ready to plop back into the car. Considering the rain, I think Tues, the 22nd we will get it in the car, and get it running. Hopefully, we can take it to the track sunday along with the convertible.Tony
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John Holloway
Gearhead Posts: 297
From: Romeoville Illinois
Registered: Jul 2000
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posted 05-21-2001 09:27 PM
Witch track Tony?
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Capri
Moderator Posts: 1073
From: Lyons, ILL, USA
Registered: May 99
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posted 05-23-2001 11:04 AM
We are looking at going to 41. However, some parts have not arived as of yet because they were not ordered! We will have to see how things go. Most of the stuff is simple. Like a throttle body gasket, that was not boxed with the kit. We also need a ac eliminator kit, which is coming, and so on.Tony
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jimb
Gearhead Posts: 131
From: s. holland, il usa
Registered: Nov 99
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posted 05-24-2001 02:34 PM
FYI
When I tried a set of the 1.7 RR I went to the U Pick It yard and pick up a set of steel valve covers off of a Crown Vic. I went that route as my 93 Cobra which has 1.7 RR's from the factory used these same valve covers rather then the aluminum ones that came on the HO 5.0s in the GT & LX's. I can also comment on the increase in power on a stock 5.0 (92 LX). Most of the increase will be seen in the 2500 & up range. Gas mileage went down up to 1 MPG and emissions up as it failed the Ill. test. It may not be all blamed on the RR's as I had some other things done to it. ------------------
93 Cobra 'R' #58
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Capri
Moderator Posts: 1073
From: Lyons, ILL, USA
Registered: May 99
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posted 06-05-2001 05:08 PM
Well, It runs! However it dont stop!! lol Disc brake proportioning valve needed to be replaced. Also, the brakes were installed by someone else and were not properly adjusted in the rear. Its getting better as it has 200 miles on it so far. We are changing oil, and ATF on it tomorrow night. Once that is done, we will adjust the fuel pressure, and let it rip. I think it should run a bit better. I think its a bit lean right now, considering the GT 40 Upper and lower, 70 MM TB and spacer. We did have some other trouble getting the engine to line up properly. Another problem we had is with the intake fittings hitting the valve cover. I had to crank them in real far for clearence. Of course, this requires pulling the upper intake to pull the valve covers off to check the rockers later.
The bottom end power is nothing special right now, but once a gear is installed (4.10) it should help in getting it to move a bit better. Right now, It wont spin the tires in the rain. Also, we need to step the timing up a bit. We are keeping it safe so the novice driver cant hurt it. He is learning to look at the guages, and pay attention to sounds of things and so on.I think we need a new project! Tony
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Stewart
Moderator Posts: 5956
From: Monterey, CA Mustangsandmore Member #437
Registered: Apr 2000
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posted 06-05-2001 07:01 PM
quote:
Originally posted by Capri:
I think we need a new project!Tony
Hey Tony, not a problem!! I got a '90 5 speed that needs a rear main seal changed, a rear diff that is leaking and needs to be rebuilt (along with a gear change to 3.73's  ), the T5 needs rebuilt (grinds going into 4th), and then the car is begging for an E303 cam, Edelbrock intake and Edelbrock cylinder heads! And if ya want, I wouldn't begrudge ya ifns you swapped in 1.7's! Stewart
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John Holloway
Gearhead Posts: 297
From: Romeoville Illinois
Registered: Jul 2000
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posted 06-05-2001 08:53 PM
Tony,I have a new project for ya,How about you see if your dad has a spare money maker motor and we take it and put it in my car! Do you think he would miss it?Its been a couple of days since I fired up my car,I think someone has been in my garage with oranges,Has your dad said anything about being over at my house latly???
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1980-2capristang
Journeyman Posts: 51
From: cleveland ohio usa
Registered: Jul 2000
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posted 06-30-2001 03:37 AM
i just have to say i have 1.72 roller rockers on my 88 gt with stock untuched valve covers. and i didnt have any clearence problems at all. it mite be cuz i used cork valve cover gaskets. i dont know but i also run a e303 cam. well good luck on the project. keep us filled in.------------------
I HAVE A MUT! 1980 capri with 92 stang 5.0 body panles and 88 5.0 ho motor with 93 cobra fuel injection upper and lower intake and 93 cobra ecu. and much much more.
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