i was wondering since a 1984 22r and 1987 22re engine are almost identical, if the 22r still has the same amazing relibility as the 22re does and the only real difference is that one has fuel injection? or are the 22re's more reliable?

 

that 84 motor has a longer stroke which gives it better torque, but because of this it doesn't spin as fast and has alower red line and less hp.

the 87 will have a shorter stroke and bigger bore which will make more hp combined with the fuel injection. both are reliable, but I would much ratehr have the 87 for offroading. Fuel injection is a godsend.

 

an 84 2r and a 87 22re are not the same at all.... they share a block (i hink)

all else is different, head, mainifolds.... there are 2 version of the 22r ... an pre 85 and a 85+ the 85 plus is close to the re, but still a little bit different, but interchangeable... the 84 is a bit different and although can be used, will not share exhuast or anything with the 87 22re otehr than the block

 

I was curious if the 22r is just as reliable as the 22re?

 

hey, hold on there, all 22r/re, have the same bore and stroke, the 85 and newer blocks are shorter by 3mm, the bore and stroke are the same at 92mm x 89mm, where did you get that info from?

 

yes they are equally reliable

 

If you have a choice, take the 22RE, or take the 22R and propane it. Carbs and hills don't mix well.

 

I forget where I read that. I believe on one of the websites. I have had friends confirm it as well.

but, as usual, I coud totally be wrong. I've never torn either apart personally.

 

all 20R/22R/22R-E share the same stroke, with the 22R and 22R-E having a larger bore than the 20R.

the confusing difference is that in '85 toyota went to a taller head and shorter block. this eliminated the open combustion chambers and dome top pistons of the 20R and early 22R/22R-E and replaced it with slightly dished pistons and closed combustion chamber, and raising the compression from 9:1 to 9.5:1. this gives it a little more power and fuel economy.

the intake manifolds between the 22R and 22R-E are interchangeable, the exhaust manifolds from a late 22R or 22R-E can be put on an early 22R/22R-E or 20R as long as you use a blockoff plate for the EGR holes, but the early exhaust manifold can't be put on a late engine(not sure why you'd want to, the later manifold is almost designed like a header and works very well, the early one is a heavy piece of ineffient junk).

as for personal experience and what i've heard from other people, the 20R is the most reliable of them all. they were well put together, with a dual row timing chain and steel guides that very rarely ever wore out(same goes for the '81-82 22R). however they are all great engines, capable of going well over 300,000 miles with regular maintenance.

 

Must be the taller head confusing my multiple sources. Now I have to retrain my brain to remember all of that.

 

Go for the 3.0