Need small mods for 22r toyota motor

murphystoys

Well-Known Member
Joined
Oct 6, 2005
Location
Greensboro NC
Does anyone know of any external engine mods such as exhaust, header, intake, or something like that I can do to my 89 toyota with a 22r motor? Just wanting to get a little pep in it if you know what I mean. Someone mentioned to me about a throttle body spacer or something like that. Any help would be greatly appreciated. (I dont want to go into the motor)

Thanks
 
Thorley is a short tube header, good for high RPM but adds nothing for low RPM where the 22R really suffers the most. Yes, it will allow it to breath better, but the scavenging effect of the exhaust pulses are not as great.

Long tube header works better for lower end use ( where you usually need it when wheeling) and will help greatly for daily driving use and wheeling.

the biggest bang for the buck was header and exhaust mods on my Runner.

on my '85 Runner, I used LCE EFI Pro cam, Street pro valve springs and new rockers ( never replace the cam without replacing the rockers ) and new stock sized injectors. this worked well, but the real noticable addition of power was when the header and exhaust were added, LC engineering longtube header, 2" collector to new CAT, 2 1/4" pipe out of cat into FLowmaster and 2 1/4" pipe out the back.

My '85 RUnner has 33" MT's with stock 4.10 gears, will run circles around my '90 Runner with same cam and valve train, no header, bigger turbo muffler and 31" AT's with stock 4.10 gears. Both EFI

Downey Offroad, Northwest OffRoad, LC Engineering, and Pacesetter have long tube header, Pacesetter being the cheaper of all of them(quality and price) .

other areas to gain a little power, DOA racing Camshaft, DOA or LCE adjustable timing gear, better flowing air filter.

Keep in mind, the 22R/RE engines are good reliable engines, but never were power houses, it takes big $$$ to get big power out of them, and they still are not torque monsters when you do that.

some things to do on the cheap, clean the intake and throttle body, play with the timing a bit, and you can get a little more power, but mileage will suffer.

May also wanna check out these links too

http://www.nc4x4.com/forums/showthread.php?t=334

Enjoy.

Kevin
 
murphystoys said:
What about the throttle body adapter
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I've never seen one offered for the 22RE, not sure that it would do anything for it if there was, though there are larger Throttle bodies available.

Kevin
 
Travs97 said:
try downey off road,and north west
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Do your research on NWOR before you order, you may decide to go a different route, seems "customer service" for them is more of a foriegn idea than practice.

Kevin
 
Look LC engineering is the best place to look for your toyota motor upgrades and the best bang for your buck is the efi pro cam and the adjustable cam gear you can retard the cam or advance it to gain more top end or low end torque and it really work they also offer everything you can think of to do to the motor, taking out the cat really helps with the flow of the exhaust on those motors. if you are planning on running just off road.
check out their website they can help you with your motor.
 
X2 on the LCE header and 2.25" exhaust. The LCE model bolts rights up to teh factory cat, that's nice and convenient.
 
ontharox said:
taking out the cat really helps with the flow of the exhaust on those motors. if you are planning on running just off road.
.
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I disagree with removing the cat for sake of removing it, you will loose power on the low end where it is needed most.

The engine uses the exhaust back pressure for scavenging and proper exhaust flow, with out the backpressure all the power moves up the RPM band above 2500rpm, where it really isn't useful to be when off roading.

Try driving the truck with the header uncorked before the cat, you see what I mean. you would be achieving the same effect with no cat and larger dia pipe, even if you have a muffler.

Checking to see if the cat is plugged up is a good idea, a plugged cat will effect power just as well as no cat.

22RE suffers from lack of bottom end torque, the exhaust mods will help with that, as well as the adjustable timing gear.

As for the EFI pro cam, yes it helps, but after building another engine for a friends truck and using the DOA racing cam in it, I think there is a bit more low end with the DOA, his Runner seems to pull a little harder than mine at low end.

Kevin
 
Thorley header is the better header for low RPM torque. It uses a tri-Y design.
LC is better choice for anyone looking to improve the high RPM power (above 3000)

I run the LC on my 22RE. I figure i have the gears to go slow when i want... Like someone said above, 22r series motors are very reliable, but it will never be a power house. A free flow exhaust will help, there are several kits out there to bolt a open filter on the MASS airflow box. The next real option for power is a cam. I know you said external though. I wouldnt worry about the intake/throttle body until the above mods have been completed. Just my personal opinion.

If you are looking for more ideas, Tim at DOA in Mooresville could help. n Most his stuff is internal though.
http://www.doaracingengines.com/

Seth
 
Nobody has said anything about intake air flow. Is a cold intake airflow better then stock? Let me know what yall think. I will mostley be drivin on the road rather than off road.
 
I've heard good "seat bottem dyno" results from swapping the battery and air box sides. Then cutting that long air intake tube down about 2 feet. :D Makes a difference in throttle responce if nothing else.
 
What I have always heard about the motors is that you can/will spend a fortune trying to get more power from them and it's really not cost effective.
You can get gains, just not big ones.

Cheaper to just do a v6 engine swap and make a real difference.

Just my $.02.
 
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