upgrades

supra_91 · 09-22-2005, 01:54 AM

things i'm thinking about getting:
-flex-a-lite dual electric fan (i think that's what the name of it is)
-spark plug wires
-coil?
Is this a pretty good combination of upgrades for a 91 N/A(moneys tight, student)? what kind of plug wires should i get? also should i upgrade my coil?

another question is about that baffel in the air intake tube, what is it for, does it have to be there? if not can i take a tube and bend it to fit?

i'm new to supras so any info is greatly appreciated

WiseAssJester · 09-22-2005, 03:56 AM

I don't know Supras, but I like to think I have a general gist of cars.

Fans are always nice to keep it cooler, plug wires are worth at(for performance vehicles) 50 or 60 thousand miles.

And in my other car I noticed a decent gain when I put a stronger spark into my car. So the coil prolly wont hurt.

supra_91 · 09-22-2005, 01:19 PM

cool, thanks

supra_91 · 09-22-2005, 01:47 PM

what about that baffel in the air intake tube? do i need it?

mrnickleye · 09-22-2005, 11:55 PM

1) Baffle, you mean the large, round, black plastic one, over the exhaust manifold? I left mine on to help keep the heat out of the intake, since its right over the exhaust.
2) Factory Coil is very 'hot' as is.
3) For an N/A, any 'better' set of wires from a parts store will work. ($65)
4) Spark plugs..I've had good success with Autolite, & NGK. ($18)
5) More power...2.5" cat back exhaust system, ($150) and K&N air filter ($40).

rnoswal · 09-23-2005, 02:29 PM

The engine is just an air pump. Make it easier to get in and out. Better air cleaner does help. Make sure your compression is pretty equal and then make sure your cams are timed right on. If the belt stretches, it will effect power, usually losing low end power and gaining upper end by retarding the cams.

Get good fuel in it and get the timing as advanced as you can get and still starts smoothly. Too much timing and it will be hard to start and can run hot, so a better cooling system would be a necessity.

Definately a better exhaust system, bigger and headers. You could even block off the EGR valve if you don't have to worry about emissions, your lower end power would go up a bit from that.

Of course NOS and turbo charging would be great too. Good luck

Russ

supra_91 · 09-25-2005, 02:28 AM

who makes the best plug wires for the supras? and how much will it actually help a N/A

rnoswal · 09-25-2005, 05:52 AM

Not much unless it is missing due to plug wire breakdown.

Russ

supra_91 · 09-27-2005, 02:38 AM

Quote:

Originally Posted by rnoswal

You could even block off the EGR valve if you don't have to worry about emissions, your lower end power would go up a bit from that.Russ

noobie question--what actually is the EGR valve and where is it located and how do i block it off

rnoswal · 09-27-2005, 03:26 AM

EGR- exhaust Gas Recirculation. Basically when you let off the throttle it causes and large vacuum in the intake. At the same time the exhaust has the most of its pollutant being emitted. The EGR valve, at the rear of the intake, opens and allows exhaust gasses to run back through the intake system. It doesn't help the mixture of fuel and air at this point, so less power when you get back on the gas. I just unbolted mine and filled the hole with JB Weld and put it back on. You could make a block off plate to go there instead. You also have to pinch off the tube that runs into the intake. The emissions will go up slightly so not sure if you would pass inspection. Here in Louisiana they don't seem to be concerned about that but the change is so small that in the big picture it doesn't bother me, probably to Green Peace it does though.

Russ

09-22-2005, 01:54 AM	#1
supra_91 Lexus & 550's Join Date: Sep 2005 Location: Illinois Posts: 521	upgrades things i'm thinking about getting: -flex-a-lite dual electric fan (i think that's what the name of it is) -spark plug wires -coil? Is this a pretty good combination of upgrades for a 91 N/A(moneys tight, student)? what kind of plug wires should i get? also should i upgrade my coil? another question is about that baffel in the air intake tube, what is it for, does it have to be there? if not can i take a tube and bend it to fit? i'm new to supras so any info is greatly appreciated __________________ 91 N/A automatic supra;K&N FIPK;2.5" custom exhaust;no cat;pacesetter header;eibach springs;tokico "blues";MKIV TT rims

09-22-2005, 01:19 PM	#3
supra_91 Lexus & 550's Join Date: Sep 2005 Location: Illinois Posts: 521	cool, thanks __________________ 91 N/A automatic supra;K&N FIPK;2.5" custom exhaust;no cat;pacesetter header;eibach springs;tokico "blues";MKIV TT rims

09-22-2005, 01:47 PM	#4
supra_91 Lexus & 550's Join Date: Sep 2005 Location: Illinois Posts: 521	what about that baffel in the air intake tube? do i need it? __________________ 91 N/A automatic supra;K&N FIPK;2.5" custom exhaust;no cat;pacesetter header;eibach springs;tokico "blues";MKIV TT rims

09-25-2005, 02:28 AM	#7
supra_91 Lexus & 550's Join Date: Sep 2005 Location: Illinois Posts: 521	who makes the best plug wires for the supras? and how much will it actually help a N/A __________________ 91 N/A automatic supra;K&N FIPK;2.5" custom exhaust;no cat;pacesetter header;eibach springs;tokico "blues";MKIV TT rims Last edited by supra_91; 09-25-2005 at 02:41 AM.

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09-22-2005, 03:56 AM	#2
WiseAssJester 3" Exhaust Join Date: Sep 2005 Location: Reno Posts: 77	I don't know Supras, but I like to think I have a general gist of cars. Fans are always nice to keep it cooler, plug wires are worth at(for performance vehicles) 50 or 60 thousand miles. And in my other car I noticed a decent gain when I put a stronger spark into my car. So the coil prolly wont hurt.

09-22-2005, 11:55 PM	#5
mrnickleye 1000whp postwhore Join Date: Jun 2005 Location: Mojave Desert, Calif. Posts: 1,705	1) Baffle, you mean the large, round, black plastic one, over the exhaust manifold? I left mine on to help keep the heat out of the intake, since its right over the exhaust. 2) Factory Coil is very 'hot' as is. 3) For an N/A, any 'better' set of wires from a parts store will work. ($65) 4) Spark plugs..I've had good success with Autolite, & NGK. ($18) 5) More power...2.5" cat back exhaust system, ($150) and K&N air filter ($40).

09-23-2005, 02:29 PM	#6
rnoswal Lexus & 550's Join Date: Apr 2005 Location: Bossier City LA Posts: 556	The engine is just an air pump. Make it easier to get in and out. Better air cleaner does help. Make sure your compression is pretty equal and then make sure your cams are timed right on. If the belt stretches, it will effect power, usually losing low end power and gaining upper end by retarding the cams. Get good fuel in it and get the timing as advanced as you can get and still starts smoothly. Too much timing and it will be hard to start and can run hot, so a better cooling system would be a necessity. Definately a better exhaust system, bigger and headers. You could even block off the EGR valve if you don't have to worry about emissions, your lower end power would go up a bit from that. Of course NOS and turbo charging would be great too. Good luck Russ

09-25-2005, 05:52 AM	#8
rnoswal Lexus & 550's Join Date: Apr 2005 Location: Bossier City LA Posts: 556	Not much unless it is missing due to plug wire breakdown. Russ

09-27-2005, 03:26 AM	#10
rnoswal Lexus & 550's Join Date: Apr 2005 Location: Bossier City LA Posts: 556	EGR- exhaust Gas Recirculation. Basically when you let off the throttle it causes and large vacuum in the intake. At the same time the exhaust has the most of its pollutant being emitted. The EGR valve, at the rear of the intake, opens and allows exhaust gasses to run back through the intake system. It doesn't help the mixture of fuel and air at this point, so less power when you get back on the gas. I just unbolted mine and filled the hole with JB Weld and put it back on. You could make a block off plate to go there instead. You also have to pinch off the tube that runs into the intake. The emissions will go up slightly so not sure if you would pass inspection. Here in Louisiana they don't seem to be concerned about that but the change is so small that in the big picture it doesn't bother me, probably to Green Peace it does though. Russ