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post #1 of 39 (permalink) Old 04-12-2005, 10:03 AM Thread Starter
 
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Buick vs ford

does anybody know the difference between the buick 3.8 and ford 3.8?
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post #2 of 39 (permalink) Old 04-12-2005, 10:17 AM
 
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the entire engine is different... nothing is interchangable...

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post #3 of 39 (permalink) Old 04-12-2005, 11:03 AM
 
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The Plug wires are
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post #4 of 39 (permalink) Old 04-12-2005, 01:25 PM
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the ford v6 block is stronger

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post #5 of 39 (permalink) Old 04-12-2005, 01:45 PM
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Depending on the overbore, you can use some Buick GN pistons in the Ford Block.

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post #6 of 39 (permalink) Old 04-12-2005, 01:53 PM
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Quote:
Originally Posted by PCD
Depending on the overbore, you can use some Buick GN pistons in the Ford Block.
Thats right, I forgot about that
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post #7 of 39 (permalink) Old 04-12-2005, 02:15 PM
 
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The real difference is the Buick is by far a superior motor as a daily
driver and in high performance applications


Quote:
Originally Posted by ThunderBird 94
does anybody know the difference between the buick 3.8 and ford 3.8?
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post #8 of 39 (permalink) Old 04-12-2005, 02:48 PM
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I've had a 78 Skylark with the 231 CID N/A in it and I have a 3.8L N/A in my bird. As a daily driver, my bird is better. As for performance, John Menard took the Buick as far as he could go, but they couldn't quite finish Indy, could they?

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post #9 of 39 (permalink) Old 04-12-2005, 04:25 PM
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Quote:
Originally Posted by LST MN-12

The real difference is the Buick is by far a superior motor as a daily
driver and in high performance applications
That statment is INCORRECT, the ford 3.8L is actually the superior motor at the took the Buick design and CORRECTED alot of the problem areas. The ford 3.8L just got a bad rap from all those crappy headgaskets for a 5-6year span (took that long to find out it was a BIG problem but that was corrected in 96') We are now seeing BONE STOCK shortblocks go 450+rwhp/tq
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post #10 of 39 (permalink) Old 04-12-2005, 09:55 PM
 
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Quote:
Originally Posted by rancherlee
That statment is INCORRECT, the ford 3.8L is actually the superior motor at the took the Buick design and CORRECTED alot of the problem areas. The ford 3.8L just got a bad rap from all those crappy headgaskets for a 5-6year span (took that long to find out it was a BIG problem but that was corrected in 96') MY point exactly If you was one of the 300 + thousand owners of bad head gaskets - Major problems like this is why Ford is loosing it's customer base We are now seeing BONE STOCK shortblocks go 450+rwhp/tq - Grand nationals have been running in the nines for over 15 years
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post #11 of 39 (permalink) Old 04-12-2005, 10:31 PM
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Quote:
Originally Posted by LST MN-12
Grand Nationals also have

-more years of developement
-more aftermarket

A ford v6 can run 9's also, it'll just take another year I'm sure, if that. There are a few projects in the works. Heck, a 4.3 mustang on nitrous ran a 10.774. a DAILY DRIVEN 587rwhp mustang runs 10.3's with a turbo...on the stock Ford block. No valley reinforcements, no extra head bolts, 2 bolt mains, cast crank. So you dont think a strictly race v6 car could hit 9's?

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post #12 of 39 (permalink) Old 04-12-2005, 10:37 PM
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Quote:
Originally Posted by LST MN-12
MY point exactly If you was one of the 300 + thousand owners of bad head gaskets - Major problems like this is why Ford is loosing it's customer base

How about the GM quad 4 headgasket? dodge driveline problems? GM FWD transmission problems? Every car company has a bad rep for some kind of engine or transmission they produced. It's not just Ford.
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post #13 of 39 (permalink) Old 04-12-2005, 10:39 PM
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Quote:
Originally Posted by LST MN-12

yeah, i still think the buick 3.8 v6 is way superior to the ford 3.8 v6, i had a 4.1 4bbl v6 that i built a while back and it was the most bulletproof engine i have ever had, i gave that engine hell and never had a single prob, and the gn's v6, well all i can say is *drool*......

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post #14 of 39 (permalink) Old 04-12-2005, 10:43 PM
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Quote:
Originally Posted by Thomas
How about the GM quad 4 headgasket? dodge driveline problems? GM FWD transmission problems? Every car company has a bad rep for some kind of engine or transmission they produced. It's not just Ford.
-Thomas
the thing is thomas with other car companies the probs may develop, but with the older ford 3.8's is when it will develop probs.

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post #15 of 39 (permalink) Old 04-12-2005, 11:21 PM
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there are many different cars that have a problem that will develope in a matter of time. the GM FWD trannies around 90-96 were ALL like this. You just arent as aware of it because you dont visit www.ClubGP.com or www.60degreev6.com everyday. If you do you'll see those posts as often as you see headgasket posts on here, trust me. And to say the Buick has more potential as compared to the ford v6 is outrageous. More aftermarket and developement? Yes. More potential? That has yet to be seen. For potential to be measured it must first be accomplished no? I could say the 5.0 has more potential than the modular v8 but that would be unfair now wouldnt it...
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post #16 of 39 (permalink) Old 04-12-2005, 11:38 PM
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yeah, but problem wise, 3.8 to 3.8, barring any tranny probs, which one has more problems than the other?

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post #17 of 39 (permalink) Old 04-12-2005, 11:42 PM
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we werent talking about problem wise, but I honestly havent read up on any problems with the Buick v6 so I couldnt honestly respond to that question.
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post #18 of 39 (permalink) Old 04-12-2005, 11:44 PM
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Quote:
Originally Posted by PCD
I've had a 78 Skylark with the 231 CID N/A in it and I have a 3.8L N/A in my bird. As a daily driver, my bird is better.
yeah, but you are talking a twenty year difference between vehicles,

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post #19 of 39 (permalink) Old 04-12-2005, 11:51 PM
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Quote:
Originally Posted by Thomas
we werent talking about problem wise, but I honestly havent read up on any problems with the Buick v6 so I couldnt honestly respond to that question.
-Thomas
okay then from a reliability standpoint? ease of living with day in day out, and which one is more fuel efficient? so going on these parameters, which one is better?

sorry for being anal about this discussion thomas, but i am a firm believer in the buick v6, and when somebody says that it is inferior to the ford v6, it just rubs me wrong, lol.....

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post #20 of 39 (permalink) Old 04-13-2005, 12:36 AM
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hey I never said it was inferior, because I have never seen the limits of the v6. From what Ive seen so far, the ford v6 block withstands more power. Does that mean it can make more? Not necessarily. I'm not arguing either side on that subject, because only one side has proof so far of its potential. From a reliability standpoint is a toughy too, because the GN is a lot older so it may very likely be more worn out than a v6 will be, But if you put good headgaskets and ARP head studs on a ford v6 your headgaskets problems are gone. The HG problem has been anhilated for ford v6's now IMO, as seen by the 587rwhp turbo 4.2 I mentioned earlier, running 26psi.

Heck, I own a GN....in GT4 anyway haha But I love those cars, I'd own one if I had the time and money to make one perfect and fast, but I already have too many projects as it is, so virtual reality will do for now

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post #21 of 39 (permalink) Old 04-13-2005, 03:23 PM
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I know of SEVERAL GN's in the 9's, by that point they have an aftermarket Block, crank, rods, pistons, and are up to 275Cubic inches. There is one that runs high 7's in the 1/4 also, his car is a lightwieght tube chassis with a 75% fiberglass body. I WILL own a GN someday, but I several other projects to finish first.
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post #22 of 39 (permalink) Old 04-15-2005, 11:47 PM
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Exclamation Hmmmm.......

The clear difference between a Buick GN 3.8 and a Supercoupe 3.8 is clearly the Turbo.
If Ford had produced the Supercoupe with a turbo we would be leaps and bounds ahead of where we are today with our 3.8.
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post #23 of 39 (permalink) Old 04-16-2005, 01:40 AM
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Quote:
Originally Posted by dirtybird91
The clear difference between a Buick GN 3.8 and a Supercoupe 3.8 is clearly the Turbo.
If Ford had produced the Supercoupe with a turbo we would be leaps and bounds ahead of where we are today with our 3.8.

Give it time my friend, and Im sure you wont be the only one Heck, v6 stangs are breaking tens now.

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post #24 of 39 (permalink) Old 04-16-2005, 02:38 AM
 
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Quote:
Originally Posted by LST MN-12

I Want to say this - 0000000Please read

Started out a Mopar Man - owned 173's to 413's
No "426 Hemis" 1 of the BEST EVER high
performance motors ever from factory !!

Next was a couple small block Chevy's - SS 327
Impala 1965 "one tough drive train"


Never owned a Ford until after gaining employment with Ford.
1st 1988 ranger 4cyl. "automatic trans sucked"
2nd 1992 Taurus Wagon "KIDS" 3.0 motor and trans was rough in Colorado and the wind noise led to a trade on a 1995 V-6 Contour :"more troubel than
my 19973 Doge Dart" My next Ford a 1997 T-Bird Sport has been the BEST
CAR EVER !! MY wife owns a 2002 Focus Wagon "So Far So Good"

I have been around cars all my life - My best friend owns a salvage yard
repair shop. If anyone was to ask him " what motor is the BEST - a GM
3.8 or the Ford 3.8 - He has replaced many more Ford 3.8's than GM's
for his customers - Proof Positive that over all the GM 3.8 is more durable.
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post #25 of 39 (permalink) Old 04-16-2005, 08:44 AM
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The GN motor was known for headgaskets too trust me I know... I have owned mone for 6 years and 14,000 miles

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post #26 of 39 (permalink) Old 04-16-2005, 03:41 PM
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bore, stroke, and bore spacing (well within .01 of wach other in all aspects, ford DID copy the buick 3.8). So far people have been able to get 260/190 cfm out of the ports without welding and 260/230cfm with biggervalves and welding the floor of the exhaust port up (just LIKE 351C heads)
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post #27 of 39 (permalink) Old 04-16-2005, 04:41 PM
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Stock vs Stock: 1/4 mile

Buick 3.8 > Ford 3.8

BTW, Why did the speedometers on those GN's only calaberate (sp?) to 85 mph? I know those cars had to be faster than that.

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post #28 of 39 (permalink) Old 04-16-2005, 04:51 PM
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Some GN's hasd the digital dash that you could recailbrate get a higher mph reading on it
also on the analog one (like mine) you can get a reface and recalibration kit to say 145 ...
I just have a little computer in the car (Scanmaster 2) that tells me O2 readings, coolant temp, under hood temperature,rpm,mph,integrator,block learn, and any trouble codes the car might throw off (best thing I ever bought !!)

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post #29 of 39 (permalink) Old 04-16-2005, 06:25 PM
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Quote:
Originally Posted by nickmckinney
I would think if you pushed the limit of the stock heads, you could probably get more out of the Ford 3.8 if you can fit a large enough valve, all else being equal. The money spent however would far surpass building a 4.6 mod that would run circles around it IMHO, as everything would have to be custom made. But with the SC version, I could understand spending a few Benjamins on the 3.8.
they do make larger valve heads, I have a set. They can go upto 1.94" intake and 1.54" exhaust, or 1.86" intake and 1.6" exhaust, depending on what plans you have for the engine, ie: NA, turbo, sc, etc. There are a few guys running 10's on the cast 4.2 cranks with forged rods and pistons, one on nitrous, and one on turbo. Neither of the two are SC engines, and the turbo engine is pretty low budget from what Ive seen. Well, as low budget as you can get with a 10sec car. The NA MAY be more expensive to start out with, depending on what route you go. The only advantage I see to starting out with the SC is that you already have a forged crank and rods, but it's not hard to find an SC crank and rods, or aftermarket rods as well.
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post #30 of 39 (permalink) Old 04-16-2005, 08:02 PM
 
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Quote:
Originally Posted by rancherlee
We are now seeing BONE STOCK shortblocks go 450+rwhp/tq
Is this with a non S/C shortblock?
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