how much hp gain?

7M-KDL

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nsngarage;1332844 said:
hmmm well if it's the motor, that might make it look dirty lol.. and I guess I can't really talk shit on the lime green if it's a motor color :p

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makes it easy to see oil leaks...which seem to happen occasionally
 

IJ.

Grumpy Old Man
Mar 30, 2005
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The GE is a very highly developed NA engine making very good useable power per litre across it's rpm range and far from a slug..... :nono:

It doesn't respond to the traditional hotrodder mods as it's already damn good out of the box so you don't see the massive gains.

What makes it a "slug" is the 3500+ Lb's of fat car it's dragging around.
 

7M-KDL

Seeking high numbers
IJ.;1332850 said:
The GE is a very highly developed NA engine making very good useable power per litre across it's rpm range and far from a slug..... :nono:

It doesn't respond to the traditional hotrodder mods as it's already damn good out of the box so you don't see the massive gains.

What makes it a "slug" is the 3500+ Lb's of fat car it's dragging around.

i agree, except for the obvious bhg problem with all 7m's. however, you have to admit, compared to the other motors offered with the mkiii it is more on the sluggish side. also, the turbo motors will see more gains with the mods the OP mentioned. and yes, in a lighter car the 7MGE is a very capable motor but we all are aware that the mkiii is a big 'ol girl lol

p.s. not trying to start an argument or "talk down" or flame anyone...just sharing my .02 :)
 

Island_Yota

New Member
Aug 5, 2008
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Aluminum 1 piece driveshaft, Light wheels and tires, exhaust/header, intake. About as far as id go with my N/A. Making the car handle better, and doing maintenance is probably a better place to put your money though.


Weight reduction is good:

Lighter wheels -25 pounds
Lighter Driveshaft -15 pounds
A/C System - ??? 30 pounds ???
Spare tire, jack, cargo floor, tools - 40 pounds


Should be able to drop around 100 pounds off the car without gutting it or cutting it up, and thats still good for when you swap in a GTE. The drive train weight loss helps a fair amount of horse power, id say with a one piece and lighter wheels close to 15whp.
 
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benchwarmer

Straight Cougar
Aug 2, 2007
510
1
16
Lancaster, CA
Alright, I guess I'll chime in here. I've done a lot of mods to my GE, take a look at my profile if you don't believe me. After all that work the car is far from a HP king. I haven't dynoed it yet so no idea what it's making but if I'm pushing 200 RWHP I'd be very impressed. It was a lot of work with swapped internals, machining, and a laundry list of new parts.

If I had it all to do over again I would with only a few changes. Sure it will never match a turbo for power. Who cares? The car is a blast to drive, which is exactly what I wanted. I don't really care how much power the car is making. I care about how it performs so I built it to perform the way I wanted it to.

That said, you need to decide what you want. If you want bragging rights or plan on going head to head with modified cars then yes, a turbo is your best(only) option. If your just looking for a car that's fun to drive an NA can do it if you put in the time. The best place to spend your money after maintenance is suspension. You'll be shocked at how well a Supra can handle with suspension upgrades. Even a stock car is fun to drive with a great suspension.

And you guys would puke if you knew how much money I've spent on this car.:sarcasm:
 

Keros

Canadian Bacon
Mar 16, 2007
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Calgary
7M-KDL;1332861 said:
i agree, except for the obvious bhg problem with all 7m's.

The BHG problem is prevailant in alot of long, stright, bi-metal (i.e. al head cast iron block) engines, straight 6's of course being the most common and longest straight engine. The 7M is quite sensitive to mistakes compared to other engines, but against popular opinion, it's not special.
 

IJ.

Grumpy Old Man
Mar 30, 2005
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Island_Yota;1332890 said:
Aluminum 1 piece driveshaft, Light wheels and tires, exhaust/header, intake. About as far as id go with my N/A. Making the car handle better, and doing maintenance is probably a better place to put your money though.


Weight reduction is good:

Lighter wheels -25 pounds
Lighter Driveshaft -15 pounds
A/C System - ??? 30 pounds ???
Spare tire, jack, cargo floor, tools - 40 pounds


Should be able to drop around 100 pounds off the car without gutting it or cutting it up, and thats still good for when you swap in a GTE. The drive train weight loss helps a fair amount of horse power, id say with a one piece and lighter wheels close to 15whp.

Well no....

Weight reduction ISN'T going to give you a single HP even if it's rotational weight... :nono:

It will accelerate quicker due to the lower PMoI and this will fool a chassis dyno into reading higher but it isn't actually making more power.
 

88_7mge

N/A Lover
Dec 1, 2008
32
0
0
Hemet, CA
IJ.;1332850 said:
The GE is a very highly developed NA engine making very good useable power per litre across it's rpm range and far from a slug..... :nono:

It doesn't respond to the traditional hotrodder mods as it's already damn good out of the box so you don't see the massive gains.

What makes it a "slug" is the 3500+ Lb's of fat car it's dragging around.

Amen, brother!

Im tired of all the turbo guys telling us our cars are worthless. Well, no shyte compared to a car thats turbo'd, but you are comparing apples to oranges. Lets talk about all the newer N/A cars out there now adays that our aging 3 liters can outrun. I smoked a brand new civic si in my 88 a few days ago on my way to work. And all i have done is the sogi mod, custom intake and strut braces.

Quite frankly im sure that after i finish mocking up and put together the ram air im making for it and take it to get the 3 inch exhaust in it and set the timing to about 13-14 degrees btdc its gonna do quite well for a car thats 21 years old.
 

88_7mge

N/A Lover
Dec 1, 2008
32
0
0
Hemet, CA
Island_Yota;1332890 said:
Weight reduction is good:

Lighter wheels -25 pounds
Lighter Driveshaft -15 pounds
A/C System - ??? 30 pounds ???
Spare tire, jack, cargo floor, tools - 40 pounds

Where did you come up with these numbers???

where did you manage to find a one piece driveshaft that weighs in at 6 pounds? cuz the stock two piece weighs in at a little over 21. The lightest driveshaft available for the car weighs in at 11 pounds. Dropping an a/c system out of any car will maybe drop about 10 pounds, maybe a little more on a larger vehicle, but how much do you think that these parts actually weigh? The spare tire jack and tools might loose you about 30, but its extremely foolish to run around without your spare unless you have AAA.

Not trying to be a dick, but maybe next time do some homework before you start throwing around numbers when you are giving someone advice.
 

7M-KDL

Seeking high numbers
88_7mge;1336571 said:
Where did you come up with these numbers???

where did you manage to find a one piece driveshaft that weighs in at 6 pounds? cuz the stock two piece weighs in at a little over 21. The lightest driveshaft available for the car weighs in at 11 pounds. Dropping an a/c system out of any car will maybe drop about 10 pounds, maybe a little more on a larger vehicle, but how much do you think that these parts actually weigh? The spare tire jack and tools might loose you about 30, but its extremely foolish to run around without your spare unless you have AAA.

Not trying to be a dick, but maybe next time do some homework before you start throwing around numbers when you are giving someone advice.

yeh some of his numbers are wrong. i also have to disagree with you. i run around without a spare all the time. the first thing i did when i got the car was remove that , 1) because it was flat and didnt do me any good and 2) because it is a full size spare and weighs a lot. in the old days a spare used to be a huge help but now, with the invention of cell phones you can easily have someone bring you what you need. now dont take this the wrong way and think you can go cross country without a spare. but if you are just going around town or within 30 mins of home or whatever i think it would be fine. also, not trying to be a dick...but i guess its all preference on some things.
 
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IJ.

Grumpy Old Man
Mar 30, 2005
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My GE had dual fuel tanks and a full size spare.....

I never had to take anything out or drive around empty.

If the spare makes that much of a performance difference there's something drastically wrong with your car.
 

7M-KDL

Seeking high numbers
IJ.;1336616 said:
My GE had dual fuel tanks and a full size spare.....

I never had to take anything out or drive around empty.

If the spare makes that much of a performance difference there's something drastically wrong with your car.

it does not drastically change performance but it wasn't serving its purpose anyway. the tire that was in the area where my spare should go was blown and had wires popping out. in any case, losing weight does help, probably just not enough to notice untill you take everything out( seats, noise dampening, trim, carpet, ac, and switch everything else to lightweight) even then, trust me, i understand you dont gain any horsepower, hopefully everyone else realizes that, but it makes the car easier to move, hence..faster
 

benchwarmer

Straight Cougar
Aug 2, 2007
510
1
16
Lancaster, CA
88_7mge;1336571 said:
Where did you come up with these numbers???

where did you manage to find a one piece driveshaft that weighs in at 6 pounds? cuz the stock two piece weighs in at a little over 21. The lightest driveshaft available for the car weighs in at 11 pounds. Dropping an a/c system out of any car will maybe drop about 10 pounds, maybe a little more on a larger vehicle, but how much do you think that these parts actually weigh? The spare tire jack and tools might loose you about 30, but its extremely foolish to run around without your spare unless you have AAA.

Not trying to be a dick, but maybe next time do some homework before you start throwing around numbers when you are giving someone advice.

Where did you you come up with these numbers? The stock 2-piece drive shaft weights 32 lbs. The A/C compressor alone weighs over fifteen pounds. The entire system combined weighs easily 40 lbs+. I know because it's sitting on my garage floor with the rest of the stuff I've pulled out. Not to mention it's all in the Supra weight index for every one to see. Not to be a dick or anything but you might want to take your own advice next time.
 

supraphoenix

broke and hating it
Mar 14, 2009
59
0
0
Colorado
benchwarmer;1333179 said:
Alright, I guess I'll chime in here. I've done a lot of mods to my GE, take a look at my profile if you don't believe me. After all that work the car is far from a HP king. I haven't dynoed it yet so no idea what it's making but if I'm pushing 200 RWHP I'd be very impressed. It was a lot of work with swapped internals, machining, and a laundry list of new parts.

If I had it all to do over again I would with only a few changes. Sure it will never match a turbo for power. Who cares? The car is a blast to drive, which is exactly what I wanted. I don't really care how much power the car is making. I care about how it performs so I built it to perform the way I wanted it to.

That said, you need to decide what you want. If you want bragging rights or plan on going head to head with modified cars then yes, a turbo is your best(only) option. If your just looking for a car that's fun to drive an NA can do it if you put in the time. The best place to spend your money after maintenance is suspension. You'll be shocked at how well a Supra can handle with suspension upgrades. Even a stock car is fun to drive with a great suspension.

And you guys would puke if you knew how much money I've spent on this car.:sarcasm:

AMEN! I love my car. It's all about driveability :) and the money is worth it
 

Rob_Supra87

87NAPWR
Aug 3, 2008
278
0
16
Millbrae
yeah its all about what you want, I just want a fun car that I don't have to worry about maintenance so with no turbo to worry about Im good to go! Im actually about to get a magnaflow system installed this week or next also :)