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EFI V8 For my 66 Mustang advice on what to look for 

 

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 Post subject: EFI V8 For my 66 Mustang advice on what to look for
Posted: Mon Jun 02, 2008 5:05 pm 
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Gday all,

I'm looking at putting a late model EFI v8 into my 66 Mustang. I have done a bit of research and am having trouble making the decision on which engine to buy. I'm looking for minimum 170rwkw. Also I want to be able to do long trips in the car and get ok fuel economy (hoping around the 15 ltr/100). Looking at no more than 5000 for the engine.

Option A - EB V8 - Cheap ($500) but the 164KW needs to be improved on. With the saving in purchase price leaves room open for mods but I don't want to compromise reliability.
Option B Still the EB V8 with a 5000 supercharger kit.
Option C Later model AU 185 still a bit low on power but getting there.
Option D possibly find a TE50 engine
Option E AU III 225 kw.

Any info on mods to get the EB motor power up without major changes would be great.

Are the T5s in these vintage cars cable?

Any ideas appreciated.
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Posted: Mon Jun 02, 2008 7:14 pm 
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eb are cable. you need to replace just about whole fuel injektion on ebv8 plus cam and heads. Big dollers! Better to stroke 302 to 347 with mild cam and run holly 600. Maybe gt40p heads Fuel econemy and performance will be in ball-park as long as you keep rev's under 2000 at cruse speed and carbie is tuned proplie.
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Posted: Mon Jun 02, 2008 7:25 pm 
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Do you have any idea on price for a set of Gt 40 heads? Or would I be better with a set of aftermarket heads?
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Posted: Mon Jun 02, 2008 7:30 pm 
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Gt40p heads about $650 on ebay new give or take.
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Posted: Mon Jun 02, 2008 8:58 pm 
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Most after market heads flow more then you need for 175kw at weels. So you loose torque and econemy. Gt40p heads are hard to beat on any motor up to 250kw.
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Posted: Mon Jun 02, 2008 9:07 pm 
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i'd be looking at stroking the 302 to 347, you will get the power and torque you need, though she will be gentle on fuel when cruising.

Yella terra do the GT40p's for $650 including gst. Brand new (test fired) complete with sprngs and valves assembled.

Aftermarket alloy heads are the go though, price is around 2-2500 bux, but you'll get the power levels needed without going the stroker.

Besides, the mustang can never have to much power!

 

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Posted: Mon Jun 02, 2008 10:18 pm 
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In my experence a 302 will need to many rpm to make the power you are after to make good power and econemy at low rpm. You will need to lower gears to provent it driving like a dog. Most after market heads will flow more and are good if you want big hp but dogs at low rpm, so need low gears to work. I would go 347 stroker with gt40p heads and don't wast $ on Fuel injektion unless fuel hits 10$ a Litrer. Better for what you want. If you want more power then go after market heads but don't expeckt econemy. A 5.6 at 2000rpm will use less fuel then a 5L at 2250rpm.66Mustangs are light. With 347 you can run 3.23 gears and she should still go under 14 with the t5 and that will give you 1850rpm app. at 100km an hour, about what you need for 15l per 100 econemy. She will pull from idle like a train. With 302 and big flowing heads you will need 3.45 or 3.9 gears to drive nice rpm will be 10% or 30% higher for same performance, not good for econemy.
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Posted: Tue Jun 03, 2008 12:30 am 
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chipyyyy wrote:
In my experence a 302 will need to many rpm to make the power you are after to make good power and econemy at low rpm. You will need to lower gears to provent it driving like a dog. Most after market heads will flow more and are good if you want big hp but dogs at low rpm, so need low gears to work. I would go 347 stroker with gt40p heads and don't wast $ on Fuel injektion unless fuel hits 10$ a Litrer. Better for what you want. If you want more power then go after market heads but don't expeckt econemy. A 5.6 at 2000rpm will use less fuel then a 5L at 2250rpm.66Mustangs are light. With 347 you can run 3.23 gears and she should still go under 14 with the t5 and that will give you 1850rpm app. at 100km an hour, about what you need for 15l per 100 econemy. She will pull from idle like a train. With 302 and big flowing heads you will need 3.45 or 3.9 gears to drive nice rpm will be 10% or 30% higher for same performance, not good for econemy.


There's PLENTY aftermarket heads that have good low end torque!!!With heaps more up top..
Unless he wants to drive around at 800 / 1200 rpm all day!!!
Check U.S sites ?? The don't put much value on P heads as far as power.. Don't go over 180cc inlet volume and you'll be fine with around 9.5 comp ...

 

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Posted: Tue Jun 03, 2008 8:54 am 
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mate ..value for $ id go au 175-220 kw they all have gt40p,s ...220 would be my pick 1.7 roller rockers slightly higher comp etc
sa for economy on a long trip i can average 10.1- 11 and 12.5 around town similar spec to 220 only custom tuned which helps

for the extra you pay would be justified IMO... If you could find a T3 5.6L cheaply that would be even better
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Posted: Tue Jun 03, 2008 4:28 pm 
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Go the EB engine, add edelbrock 1.90 valve heads, F303 cam and use the stock intake with 65mm t-body. The stock EEC will run it just fine.
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Posted: Tue Jun 03, 2008 8:46 pm 
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My advice for an old-school stang, reco your 302 and stroke it to 347, and fit Edelbrock alloy heads, and a complete edelbrock efi system. Costs about $3000(+\-) and works really well, plus you can run the standard-style air cleaner, so the engine bay will look stock-ish. Check out the edelbrock website for more info.

 

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Posted: Wed Jun 04, 2008 12:02 am 
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chipyyyy wrote:
In my experence a 302 will need to many rpm to make the power you are after to make good power and econemy at low rpm. You will need to lower gears to provent it driving like a dog. Most after market heads will flow more and are good if you want big hp but dogs at low rpm, so need low gears to work. I would go 347 stroker with gt40p heads and don't wast $ on Fuel injektion unless fuel hits 10$ a Litrer. Better for what you want. If you want more power then go after market heads but don't expeckt econemy. A 5.6 at 2000rpm will use less fuel then a 5L at 2250rpm.66Mustangs are light. With 347 you can run 3.23 gears and she should still go under 14 with the t5 and that will give you 1850rpm app. at 100km an hour, about what you need for 15l per 100 econemy. She will pull from idle like a train. With 302 and big flowing heads you will need 3.45 or 3.9 gears to drive nice rpm will be 10% or 30% higher for same performance, not good for econemy.


I'd say the Mustang with 3.23s with the T5 will be sitting on 2000rpm at 100km/h as my car did with the 3.23s and T5.

As far as fuel economy goes, I don't think I've yet seen 15l/100km from my Trick Flow setup. Generally it's between 12 and 13l, unless I spend most of the tank driving down echoey streets where fuel economy suffers a bit. It's not changed since I got the 3.73s either which I'd recommend getting over the 3.23s. They set the whole combo off perfectly. I'd say that with the 'stang being lighter it'd be better again.

Go the efi with aftermarket heads and cam and a good tune. You'll love it!

 

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Posted: Wed Jun 04, 2008 8:27 am 
Oompa Loompa
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Why not just put a stook gen3 in it. $4500 with computer. It will do all he wants. Cost about 4-6 on top to fit and engenier or maybe a top fuel engine, you can never have to much power. Just run 347 with gt40p heads and carby for about the cost of tune, chip and fuel injektion without engine. My eb v8 1820rpm at 100 3.23. My au near 2000rpm 3.45. both t5. Sorry forgot ebxr8 ho inlet are the ducks guts when you want 240kw at the fly. So is the big mas air sencer and the injektors You must all have more $ then sence.
ps my HQ202 does 14 sec 1\4 and its stock!
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Posted: Wed Jun 04, 2008 10:42 am 
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chipyyyy wrote:
Why not just put a stook gen3 in it. $4500 with computer. It will do all he wants. Cost about 4-6 on top to fit and engenier or maybe a top fuel engine, you can never have to much power. Just run 347 with gt40p heads and carby for about the cost of tune, chip and fuel injektion without engine. My eb v8 1820rpm at 100 3.23. My au near 2000rpm 3.45. both t5. Sorry forgot ebxr8 ho inlet are the ducks guts when you want 240kw at the fly. So is the big mas air sencer and the injektors You must all have more $ then sence.
ps my HQ202 does 14 sec 1\4 and its stock!


YOU have to be kidding !!!
I saw a REAL NICE vid clip of Mustang with turbo 6 motor on dyno.. I must it sounded tuff too...
Found it..
http://youtube.com/watch?v=QzqQSBJZEqE&feature=related

The build...
http://www.youtube.com/watch?v=tn3D4A9gh1c&NR=1

Any good V8 in good nick would go well in a light Mustang especial;ly with late model 4 speed auto / 5 [or 6] speed manual...

 

_________________

As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

Last edited by EBXR8380 on Wed Jun 04, 2008 10:56 am, edited 3 times in total.

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Posted: Wed Jun 04, 2008 10:47 am 
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Location: tauranga
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chipyyyy wrote:
Why not just put a stook gen3 in it. $4500 with computer. It will do all he wants. Cost about 4-6 on top to fit and engenier or maybe a top fuel engine, you can never have to much power. Just run 347 with gt40p heads and carby for about the cost of tune, chip and fuel injektion without engine. My eb v8 1820rpm at 100 3.23. My au near 2000rpm 3.45. both t5. Sorry forgot ebxr8 ho inlet are the ducks guts when you want 240kw at the fly. So is the big mas air sencer and the injektors You must all have more $ then sence.
ps my HQ202 does 14 sec 1\4 and its stock!


and sell your soul to the devil at the same time!! :lol: :? :shock:
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