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Fitting A Set Of Turbos On A Rb26

danoz

By danoz,
in Engines & Forced Induction

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danoz Collaborator

danoz

Posted
Posted

hi guys i got a cefiro with an rb26 in it the motor is getting and internal upgrade as we speak i also want to upgrade the turbos to gtss or 25/30 but if i order them there wont be here for like 3/4weeks and the guy is putting my motor back in this weekend. he told me that it is to hard to fit a set of low mount turbos to the motor when it is in the car and says it has to be done with the motor out is this the case?????

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The Dan Grand Master

The Dan

Posted
Posted

From what I have seen with the cefiro, they have a tad more engine space than the GTR in width so you should have no issues. If you have 2-3cm clearance between the turbo and the strut tower...they will come out.

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Easily done.

Undo the engine mount on the turbo side and just jack it up.

You'll gain loads more room provided you have enough room on the plenum side... i havent seen a cefiro engine bay but it could easily be done in my HR31 engine bay should i decide to change turbos later on.

Its not the "most" room. But begin with the rear turbo ;)

SLVR32GTR Community Regular

SLVR32GTR

Posted
Posted

Should be able to do it with the engine in.

Two weekends ago some mates and i changed out the turbos on my 32 GTR to GT-SS models with the engine in. It is very tedious and cramped but very possible. It took us 24hrs all up with a hoist, but that also included changing out:

Turbos

dumps

Front Pipes

Welding up Flanges to new catco metal cat

cat

cam gears

timing belt

water pump

Bosch 044 fuel pump

high flowed and port matched manifolds

adjusting oil cooler lines and remote filter kit

wrxhoon Grand Master

wrxhoon

Posted
Posted

I don't know about the Cefi, but i have done several with engine in ( 32, 33 and 34 GTR'S) . It should take an experienced person about 4 hours . It's much easier and much quicker when the engine is on the floor though.

rb26s13 Mentor

rb26s13

Posted
Posted
From what I have seen with the cefiro, they have a tad more engine space than the GTR in width so you should have no issues. If you have 2-3cm clearance between the turbo and the strut tower...they will come out.

haha i have about 10cm's between the turbo's and the strut tower in the silvia :P was quite a shock when we sat the engine in there hehe

yes its possible to change turbos with the engine in the car.. its a bitch but it can be done.. and it saves pulling the engine out (in my case.. engine comes out gearbox comes out with it.. stupid s13 gearbox tunnel)

Rowdyr32 Mentor

Rowdyr32

Posted
Posted

Its easy to do with the manifolds on. Just undo all the lines, pull off the inlet snouts and feed them both out the back under the car. Front turbo needs to be loosend to get the rear one out but save the chance of braking a stud and having to buy an exhaust gasket. Was the same in the my rb36 r32gtst as was the 32gtr. People talk it up but its easy. Can be done in 5 hours off and on.

godzl1975 Experienced

godzl1975

Posted
Posted

just took my turbos off ;)....it is tight down there with the oil and water lines underneath. took the front pipe off and should have taken the dumps off too but thats pretty hard when the car is only on stands. ended up taking the manifolds out (had HKS steel gaskets)...out of topic...should i get aftermarket manifolds as the stock ones are out now...or should i get them extruded n honed??

godzl1975 Experienced

godzl1975

Posted
Posted
just help last time i tryed to take the turbos out, i could'nt get to the bottom manifold bolts, can someone please tell me how to do this..

u have to take the oil and water lines that go into the turbo off first..(you will lose coolant and lil oil) and then take the top nuts off that bolts to manifold/turbo..should have enuff room to move the turbo/s so that you can reach the manifold nuts, then should be 100 percent easier to take out turbos then, once manifolds out. thats how i did it...dont know if anyone did it the same

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