Pros and Cons of different engine setups - TCCoA Forums
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post #1 of 56 (permalink) Old 09-14-2006, 07:47 AM Thread Starter
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Pros and Cons of different engine setups

just curiuos from what i know the easiest options to put into the t-birds are

PI from 02+ explorers.

some just put heads and PI stuff on the older engines right? how do these hold up compared to a newer 02+ explorer.

i have heard of putting in DOHC where do these come from and how do they compare?

heard of a 5.4 but that doesn't seem to pratical

so im curiuos what is the cost of all these, not counting labor or anything and is the aftermarket and duribality on them all the same?
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post #2 of 56 (permalink) Old 09-14-2006, 08:43 AM
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I think a lot of it depends on the mileage of the older engine you would be putting the heads on. My 94 had 200,000 on it when I swapped in the explorer motor. The explorer motor I got had 5 miles so it was a clean slate and it was cheaper than buying all the parts required to put on PI heads. They are both good options it just depends on what you pay for each and what kind of shape your current motor is in. As far as durability I have rolled 110,000 miles on my explorer motor 90,000 blown

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post #3 of 56 (permalink) Old 09-14-2006, 02:12 PM Thread Starter
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can you not super charge a 32v dohc? what cars does the dohc come from that bolt up.

on a 95 whats the easiest swap i read there a bit harder on the 95 for the 02 explorer.

what about the 5.0 in these newer birds?

ive just been reading about this all day kinda bored works slow so just weighing different options for when the time comes.

thanks
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post #4 of 56 (permalink) Old 09-14-2006, 02:15 PM
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Absolutelyly you can SC a DOHC car. KB makes a good unit and you can always go Vortech. My opinion is that the 02 explorer is one of the easier swaps to do on a 94-95 just based on the fact that you can use the explorer EGR hardware on the bird and not purchase 96+ parts. The 94-95 front cover is a direct bolt on to the 02 aluminum block as well. Many people have used the Mark VIII DOHC motor in the bird

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post #5 of 56 (permalink) Old 09-14-2006, 02:26 PM Thread Starter
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how much more would the DOHC cost with instal and everything to get the motor and to get it to fit?

the DOHC has a lot more potenchical right?

yes my spelling sucks
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post #6 of 56 (permalink) Old 09-16-2006, 09:39 AM
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The dohc is a great motor to swap in but its a tad more work then a pi motor. If i could do it all over again i would have either purchased a PI motor or a 99+ cobra motor. I would not recommend the 95 mark viii engine or 96+cobra motor for various reasons but the main one being it takes to much money and fabrication to get them to higher horsepower levels. If you just want some more snap the 95 mark viii swap is a great route to take. The cores are very cheap, about 1/5 of the cobra cores, and its basicly a cobra engine minus the intake. Another thing to consider is tuning also. In my opinion its alot eaiser to get a pi motor tuned for the eec then it is to get a dohc program burned which as far as i know Lonnie is the only one that does this. There are hundreds of tuners to tune PI motors though. So think over your goals and cafefully plan them out before you buy anything and really know where you want to go with this car and how much you are really willing to spend.

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post #7 of 56 (permalink) Old 10-01-2006, 07:42 PM Thread Starter
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but either way with the work involed, with a 4v DOHC your have a lot more potencial right? i mean their both going to cost a bit of money but with the DOHC you can do a lot more and they react a lot better to mods right? a DOHC with a blower would be way more then a PI with a blower right? or am i wrong here?
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post #8 of 56 (permalink) Old 10-01-2006, 08:51 PM
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I sure hope the DOHC has more potential, that is what I am betting on!

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post #9 of 56 (permalink) Old 10-01-2006, 10:19 PM
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DOHC + Vortech = REDICULOUS

If I had to do it all over again, I probably would have gone that route. 03-04 Cobra shortblocks are becoming available too now, making getting a forged bottom end cake.

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post #10 of 56 (permalink) Old 10-01-2006, 10:38 PM Thread Starter
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Quote:
Originally Posted by BIG PETE
DOHC + Vortech = REDICULOUS
Rediculous as in a good way or a bad way?

also what about putting a stroker in one, would that be as good?
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post #11 of 56 (permalink) Old 10-01-2006, 10:49 PM
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post #12 of 56 (permalink) Old 10-01-2006, 10:56 PM
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So, I'm assuming the 02 Explorer motors are the exact same (heads/cams specs) as the ones in the Mustang GT's (99+)?
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post #13 of 56 (permalink) Old 10-01-2006, 11:12 PM
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Quote:
Originally Posted by IcemanV8
So, I'm assuming the 02 Explorer motors are the exact same (heads/cams specs) as the ones in the Mustang GT's (99+)?

yes, except for the 6 bolt main AL block.




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post #14 of 56 (permalink) Old 10-01-2006, 11:12 PM
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fordraceing - what is your realistic monetary budget?




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post #15 of 56 (permalink) Old 10-02-2006, 06:28 AM
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Quote:
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yes, except for the 6 bolt main AL block.
So, in reality, is it a tougher/more durable engine than a 4.6 out of a 2000 Mustang GT? 6 bolt main aluminum block. Sounds like an LS1, mmmm.
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post #16 of 56 (permalink) Old 10-02-2006, 07:21 AM Thread Starter
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probally just a few grand, but i was curiuous the difference in work in cost out of the two and the more gains out of the DOHC if there within the same park then why woudn't people go with the DOHC?
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post #17 of 56 (permalink) Old 10-02-2006, 01:07 PM
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Quote:
Originally Posted by Fordraceing
Rediculous as in a good way or a bad way?

also what about putting a stroker in one, would that be as good?

In a really good way! My friend had a 99 Cobra with a Vortech on it at 6 psi of boost. The only other mods were injectors and a tune, and it made 412 RWHP, even with a 100% stock exhaust. You can bag a Cobra engine like that for about 3000-3500, and Vortechs are always on sale on ebay, going for around 1 to 2 grand. The only downside with that plan is that you'll always want to up the boost, but 6 psi is about the most that a modular is good for when it comes to living a long, happy life on stock internals. Plus, doing valve and head work on a 32V is really expensive, so many runners to hog out and springs to replace.

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post #18 of 56 (permalink) Old 10-02-2006, 07:21 PM Thread Starter
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so what is the ideal motor to go with with lots of money? and how much would it be over a PI motor?
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post #19 of 56 (permalink) Old 10-02-2006, 08:19 PM
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I think what we have been trying to tell you is that there is no best motor. You need to decide what you want to accomplish first then decide what motor is best to acomplish that

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post #20 of 56 (permalink) Old 10-02-2006, 08:23 PM Thread Starter
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with unlimited money im sure their is a best motor, whats the motor with the most potenchial that can get you the fastest 1/4 miles times?

whats the DOHC motor cost over the PI motor?
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post #21 of 56 (permalink) Old 10-02-2006, 08:35 PM
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Well i had my PI motor put together and in my car for about 1900.Im sure a DOHC whould cost twice as much.Im sure a 2v PI can be made to run with the DOHC engine's no problem.Ive driven a 96 bird that lays 350 at the wheels with stock internals.Car is crazy fast and im sure whould beat down a stock blown cobra.

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post #22 of 56 (permalink) Old 10-02-2006, 08:49 PM
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my 02 AL PI with no cats, 3.73s, 80mm LMAF, and a tune...only run 14.347
98 Cobra with JLT intake. 13.991.

I had two tenths on him at the 1000ft mark and i cut a 2.12 60ft time on brand new low pros.




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post #23 of 56 (permalink) Old 10-02-2006, 09:54 PM
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There's a few here in NC that turn times..

rob runs a stock 95 motor with an SVO blower into the mid12s, minor bolt ons, gears and torque converter, but he has comp 268s

hans is in the 12s with his stock mark8 shortblock, 268s and renegade heads, gears, and stall

ollies hit mid13s recently with his pi head swap but he's a little wilder but without an updated tune. similar camming stall and gear.

shadowdragon is near mid13s with his pi headswap, pi cams motor with stall

It really depends on your preference, money, and parts availability. I agree with some previous statements though. If you got money.. 4V and blower will make a mean combo. And combo is en totale. Everything adds up for the killer combo.

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post #24 of 56 (permalink) Old 10-03-2006, 07:00 AM Thread Starter
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well just your general bolt ons do a lot more to the 4v over the 2v from what ive been told because it breaths so much better it respones to upgrades a lot better, at least thats what ive been hearing from some of the mustang guys around here.

also what years PIs is best, just the 02 explorer and mount?
and for theDOHC whats the best for the 95? and out of what?
im checking around on car-parts.com and greenleafauto.com

Last edited by Fordraceing; 10-03-2006 at 07:43 AM.
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post #25 of 56 (permalink) Old 10-03-2006, 07:49 AM
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PI is PI as far as performance goes. The advantage the explorer has is that it is Aluminum thus 100 lbs lighter

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post #26 of 56 (permalink) Old 10-03-2006, 07:55 AM Thread Starter
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yeah but i just mean some swap in easier right? so when looking for a PI 02 explorer or mount is what i read about, so im going to check on prices for that, but for the dohc, what year cars should i be looking for, for that?
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post #27 of 56 (permalink) Old 10-03-2006, 08:28 AM
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My advicce is if your never going to upgrade again find a 93-95 mark viii engine. If your going to do bolt ons then get a 96-98 cobra motor, for any extensive mods i would go 2v its cheap in my opinion. All the cobra mods are really expensive twice the cost fo 2v in some cases.

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post #28 of 56 (permalink) Old 10-03-2006, 09:06 AM Thread Starter
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also keep im mind ihave the 95 so thats a little more work for the PI then the 96+ ive read, woudl the PI still be that much easier?
ok so the 96-98 cobra motor is as direct swap as a mark 8 motor then?
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post #29 of 56 (permalink) Old 10-03-2006, 09:33 AM Thread Starter
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ok this is my understanding from the seaching ive been doing,
02 explorer for the PI, its lighter and easy swap but ive read with a 95 bird its a bit more expensive of a swap and its almost as much as the dohc.

96-98 cobra

93-96 mark 8

those are the easiest swaps to do on these cars, is that correct?
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post #30 of 56 (permalink) Old 10-03-2006, 10:16 AM
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02 explorer.




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