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post #1 of 4 (permalink) Old 07-18-06, 11:46 PM Thread Starter
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New to Me 89 Bronco XLT

I'll keep it short, simple and unorganized.

I picked up an 89 XLT 302 for a good amount. Has a decent amount of mods in terms of engine. It has an aftermarket cam (unknown specs though) and I can definately tell it does. Sounds similar to my old E303 I had tossed in my 92 Mustang Coupe years back. Of course, you can't tell any cam from another by the sound/lope. In addition, a Pro-M 77 i believe and some 24lb injectors set into an Edelbrock Performer upper and lower truck plenum.

According to the driver side door tag, the gear ratio seems to be a 3.55.

My problem 1:
The truck has NO BALLS from a git go. I think this is mainly due to the type of cam installed. From 3k on up, I can feel her pull...I just don't think for the type of off-road, on-road use it's good for me. I'll see what I can do, but do you have any recommendations?

Question 1:
<in the above case> I am installing a Rough Country 4" Suspension lift with rear springs on newly purchased BFG Mud Terrains 33x12.5x15 on a set of 15x8 "steelie" wheels. With that in mind, do you guys recommend the use of maybe a 4.10 setup for rear gears?

Note: I don't know if the Bronco uses the 8.8 and be that as it may, i've been too lazy to look and actually pay attention. If so, I know exactly where I can pick up the gears/shim/installation kit CHEAP!

Problem 2:
I noticed a lot while coming into my neighborhood I hear a good amount of clinking/clanking until I press the brake pedal no more than 1/2" inward from resting position. This IS coming from the front. My assumption was that maybe new wheel bearings were in need?

Question 2:
Fuel delivery-I don't know what type/size/lph fuel pump is in tank so dependant on what you guys say I'll make a decision. I was pondering a 255lph intank and eliminate any inline there may be. I'll leave this alone though for a while.

Aside from the 4" suspension lift from Rough Country and my 33x12.50's, you guys recommend anything? Any pointers, hello i'm _____, here are a few things to look out for?

I've owned many Ponies (Mustangs) in the past including 302, 331, 347 powered as well as A 281 modular powered 99 GT but this would be my first full size Ford SUV owned just for fun purposes. I'm very knowledgable about the 302 and the mods to support but in terms of off roading and axles, transfer cases...I know nothing.

Hope everyone's had a good week, its time for bed and back to work after a 5 day weekend.

P.S. - Info about me:
Name - Victor
Age - 26
Location - Austin, TX
Current Vehicles - 02 Yukon SLT, 94 Tbird 3.8 (easy on the gas), 89 Bronco XLT 302, 00 Honda CBR 929RR (sport bike for fun at the track and occasional rides around town)

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post #2 of 4 (permalink) Old 07-19-06, 01:44 PM
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Re: New to Me 89 Bronco XLT

yo Victor!
problem 1:
check for trouble codes; esp. if you have a CEL on;
EEC-IV Self Test & Connector Location & pics, Bronco & Ford by Ryan M ? How To Run a Self-Test
Also, check timimg; look @ sticker under hood or on radiator shroud/top of rad. for info; remember to un-plug SPOUT connector.
Any signs of vacuum leak(s)?

Question 1
4.10 will give you the umppph you desire; here is a Gear guide that is good;
this Forum won't let me put in Suspension Lift Kits, Body Lifts, Leveling Kit, 4x4, Jeep, Chevy, Dodge, Ford, Off-road Truck 's URL!
If the URL comes up Blank here again look in site in PART 1 under DRIVELINE and Scroll to General Information and look at:
Gear Ratio Guide for Larger Tires, general by

Yes , it is an 8.8

Problem 2: hard to help you from afar; always good to remove - clean & lube/pack; hubs, bearings and spindle bearings; as well as doing brake caliper inspection, cleaning rials, lubing, etc.
check my web site out below for many tech article LINKS by fellow Bronco owners

Question 2: most others don't agree w/in-line pump removal; something about flow, etc.

here is a great RC 4" install article!
Rough Country 4 inch Installation in an 88 by Daniel T

4" Lift Install Write Up - FSB Forums

some tips in there by him as well as other posters.

Have new poly bushings ready and bought for radius arms, etc.; I like Daystar

A lot like - (877) 4x4-ROCK
they carry Yukon & Superior R&Ps
Try Summit Racing - High Performance Car and Truck Parts | 800-230-3030 for $ too
Once you decide on a Gear Brand, search WWW by PN for best prices and then try locally for same or less $ incl S&H in comparisons.


Bless All Who Serve!
1996 Bronco XL 5.0. E4OD
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post #3 of 4 (permalink) Old 07-19-06, 11:43 PM Thread Starter
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Re: New to Me 89 Bronco XLT

No vacuum leaks, the timing is a bit high, but managable. 14*. I still don't get why it has NO "sack" from a full stand still.

I'd imagine a 351w is in the works if I were lucky but not anytime soon. I am also assuming it's a 302 based on the 5.0l writing on the plenum from when it sat at a dealership. Any other inidication as to whether it's a 302 or 351? I know edelbrock makes for both engines and they're both identical.

Any engine codes to look for?
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post #4 of 4 (permalink) Old 07-20-06, 05:48 AM
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Re: New to Me 89 Bronco XLT

VIN gives for orig. engine type;

Position #8 is the Engine Identification
N = V-8 5.0L
H = 5.8
To confirm, some measuremts can be done; some Links are in my web site under Engine; can ck deck height, etc.
5.0 intake manifold were more SQed off than the rounded edges on 5.8s

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1996 Bronco XL 5.0. E4OD
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