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Engine / Re: Gnarly4X's 22RE Rebuild
« Last post by Gnarly4X on Today at 07:33:34 AM »
If your memory is correct, those numbers seem low for a fresh rebuild, IIRC, the ones I have I rebuilt over the years have all been in the 160's/170's cold after a few 100 miles.

With the issues you had with dialing in the valves with the cam, I am wondering if the comp numbers are unrelated to the oil consumption.

Hi S,

Yes, the low compression numbers can definitely be a valve issue, and until I complete the leak down testing, I'm not sure at this point.  I got a gut feeling that the low compression IS the rings.  BUT... .since the valve lash on this cam goes tight prematurely on the exhaust valves, I'd like to understand why that is happening?  And... it could be valve seats.   I'll try to get into the garage by Sunday.

The oil consumption is probably NOT related to the low compression if the valves are the issue, right?  Again... zero smoke!!!???

Gnarls. :inthedark:
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Engine / Re: Gnarly4X's 22RE Rebuild
« Last post by Gnarly4X on Today at 07:24:49 AM »
I thought somewhere in the 140 to 150 was the spec for my 22RE when I had my valves adjusted?  Is it different for different years?

The FSM uses the "STD" and "Limit" for specs on compression pressure on a 22R/RE:  STD = 171 psi, Limit = 142.

So, I assume that STD means that's the factory spec at manufacturing, and 142 would mean less than that is outside of the target pressure - most likely losing some performance and fuel mileage.

It's interesting that FSM specs the 22RTE turbo at STD =149 and Limit = 120.  Obviously its got boost.

Most of the compression tests that have posted seem to be up around 170+ for a factory spec'd engine.  Above that, I'd would imagine you may be required to burn 90+ octane gas.

Gnarls.
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Engine / Re: Another valve adjustment done
« Last post by Gnarly4X on Today at 07:09:00 AM »
All that work I did fixing my cam chain hassles I went through a couple of months ago left me with another gnarly oil leak. ... that 261C cam is pretty sweet.


Although the early Toyotas are legendary for reliability, fixing and repairing an old Toy truck is part of the deal.  Glad you got it fixed... I HATE leaks!!

On the 261C cam, as I have posted before, from the guys who have installed this cam, and my own recent experience, it seems to work best in a carb'd engine, where the degrees of overlap is not an issue.  Keep an eye on the valve lash.

Gnarls.



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New Member Check-In! / Re: Noob from Cali
« Last post by toe on Yesterday at 11:35:14 PM »
 :welcome:
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New Member Check-In! / Re: Zac Henson, New Member
« Last post by toe on Yesterday at 11:33:34 PM »
 :welcome:
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Project Research and Build-Ups / Re: Toyodaaddict's 1980 Toyota "The Blue Truck"
« Last post by 300k on Yesterday at 09:24:53 PM »
Is your temp sensor reading accurate?

No, it's a Toyota. 30 seconds after start up or nuclear melt down, it's still right in the sweet spot :gap:
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Engine / Re: Another valve adjustment done
« Last post by fasterspider on Yesterday at 07:09:44 PM »
All that work I did fixing my cam chain hassles I went through a couple of months ago left me with another gnarly oil leak. The harmonic balancer was my original and was sleeved but, little do I know.
My truck was running great on the 60 mile ride to have my buddy weld in my new leaf spring kit but, she was pissing oil the whole way, a quart of oil leaked out all over the whole underside of the truck and was dripping on his nice clean driveway when I arrived. He was cool about it.
Anyway, I figured out where it was coming from but, I still had to drive 60 miles home with a terrible leak and went through a quart and a half on the way home.
Look at the unit on the right and the grooves in the stain I'll ess steel sleeve, they ate up that brand new oil pump seal to the point it was like that was no seal.
A new balancer and a new oil pump seal took care of the leak and now my truck runs good oil leak free, that 261C cam is pretty sweet.

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Engine / Re: Gnarly4X's 22RE Rebuild
« Last post by Snowtoy on Yesterday at 06:46:33 PM »
The '85,'88, & '93 FSM's state 142psi as the minimum compression pressure for a warm engine, none state a maximum, however use 171psi for Compression Pressure in the steps for performing a compression test.
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Parts For Sale / 3RZ-FE Valve Cover Decal
« Last post by Pappy on Yesterday at 06:37:00 PM »
Have a Gen1 Tacoma, or Gen3 4Runner with the 2.7L engine? Have you installed a 2.7L in your older junk? Ever wonder why Toyota didn't make a nice valve cover decal for the 3RZ-FE like they did the 20R/22R/22RE/1FZ-FE? Well, this inquiring mind also wanted to know. With my current 3RZ project I decided to care of that, mostly for selfish reasons. Of course, just making one is silly, so I had a bunch made.

I have two flavors. One with a chrome border, and one without. Both are $8.00 each mailed within the USA. They are silkscreen printed onto a high temp chrome polyester with a permanent adhesive. Get them for your valve cover, rear windows, tool box, air compressor, or work bench. Heck, get one for your water heater. Just keep in mind that the material will bend around something in one dimension, but it won't mold to non-flat surfaces.

Preferred payment is Google pay at eremalche@gmail.com. Of course I also take Paypal at ratstew@comcast.net. Shipping from New Mexico, 87120.

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Is your temp sensor reading accurate?
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