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Thread: sr20 conversion into ra28

  1. #1
    Junior Member Backyard Mechanic bigmat's Avatar
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    Default sr20 conversion into ra28

    howdy. does anyone know if an sr20t fits into ra28 without firewall and tunnel massaging. cheers.

  2. #2
    Toymods Club Member Carport Converter TA-022's Avatar
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    Default Re: sr20 conversion into ra28

    that a serious question?!

    if we can get 1j and 1g straight 6's in then i think a SR is going to be like a tennis ball in a basketball hoop.... lotsa room.
    Black Betty >HERE!<

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  3. #3
    Long Time Reader Backyard Mechanic willwal98's Avatar
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    Default Re: sr20 conversion into ra28

    been done in the us quite a lot and it's quite a roomy fit. Any reason your are defecating in your engine bay instead of putting a toyota motor in there?
    Hello.

  4. #4
    Toymods President Conversion King TheToyman75's Avatar
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    Default Re: sr20 conversion into ra28

    Quote Originally Posted by willwal98
    been done in the us quite a lot and it's quite a roomy fit. Any reason your are defecating in your engine bay instead of putting a toyota motor in there?
    The Guys from SA and it was mIdnight he is aloud to have a moment

    The SR20 will be an easy fit if you choose that path. They are a nice fit in the smaller TA22 engine bay.
    Celica's: 1971 2T-B TA22 ST, - 1973 2T-G TA22 - 1973 2T-GTE TA22, aka The Unicorn. - 1976 2T-G TA23 - 1977 1G-GTE RA28.
    Crown's: 1970 2JZ-GE MS53 Crown Custom Wagon, aka The Chocolate Race Car - 1970 2M MS51 Crown Coupe, aka Smurfett.
    History: Rods Classic Celica Sampler thread.
    7 Toyota's in the collection.... 7 Days in a week - Coincidence, I think not. Even if I do ride a motorbike to work .

  5. #5
    Long Time Reader Backyard Mechanic willwal98's Avatar
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    Default Re: sr20 conversion into ra28

    Here is an example for you

    Hello.

  6. #6
    dodgy mofo Carport Converter skiddz's Avatar
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    Default Re: sr20 conversion into ra28

    one issue with the SR20 and infact most nissan engines is that the gearboxes are extremely long, i was looking at an sr20 into the shit tin (ta22), but the gearstick came up right in the middle of the structural crossmember that the seats bolt to.

    AFIAK the floor pans are relatively similar so chances are you are gonna be doing alot of cutting and welding
    2T out 4A in....

    4A out 3VZ in. 3vzfe rebuild, RWD-ising, and conversion for ta22

  7. #7
    Junior Member Backyard Mechanic bigmat's Avatar
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    Default Re: sr20 conversion into ra28

    thats the reply i was looking for. one of the work shops here in adelaide said i would most likely need to move the firewall and trans tunnel. if any one knows for shore 100% that i dont need to cut and shut please can they advise. if not ill have to measure up.

    for the defecting question from toyota. sr20t have so much support. got an 18rg but to old and cant turbo due to legalities. 1g is last resort as i wanted 4cl. have owned 4 celicas and wanted something different.

    ill post pics just finished rust removal.cheers.

  8. #8
    Toymods Club Member #194 Carport Converter Lambolica's Avatar
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    Default Re: sr20 conversion into ra28

    Please leave these forums......
    Beige.... The new Black!!!

  9. #9
    Toymods Club Member #194 Carport Converter Lambolica's Avatar
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    Default Re: sr20 conversion into ra28



    I'll agree to the gearbox issue, the engine is a snug fit, but the gearshift is way back. I don't know if the boxes are like W58 and have a series of selector positions available?!? Might be worth looking into as well.

    Cheers
    Simon
    Beige.... The new Black!!!

  10. #10
    Junior Member Carport Converter timbosaurus's Avatar
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    Default Re: sr20 conversion into ra28

    very neat example.

    http://toymods.net/forums/showthread.php?t=12003

    I've had the pleasure in driving this and it is a bloody nice car!!! If you can put purity aside (which i know some on here can't) for a minute, it is a fantastic idea!

    The shifter isn't awkwardly far back, in fact I can't even remembering noticing a difference, but it *may* require the shifter hole to be opened up a little.

    I've contemplated the swap into my 28, but the fact is that I'm lazy and I already have a much more interesting project
    Current rides...
    2) White RA25ST
    1) Red RA28LT (NOW WITH 1G )

  11. #11
    Junior Member Domestic Engineer
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    Default Re: sr20 conversion into ra28

    sr20 shit on any 4cyl toyota engine in more ways than one so stop bagging them

    ive done afew sr20s into old corollas and even a ca18t into a very old corolla

    and it flew on std boost i doubt u coul dget a 4a to do that without spending much money

    but anyway dont want ot start flaming nissans or toytas now but

    u can get a skyline short 5 speed box

    then get the front bellhousing changed fron the std sr box to the short skyline box

    these short boxes are very hard to find so thats another problem but if u have the money u can prob find one somewhere

    if the sr20t fits into a ke20 then i cant se ey it would be different to a celica

  12. #12
    Long Time Reader Backyard Mechanic willwal98's Avatar
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    Default Re: sr20 conversion into ra28

    Quote Originally Posted by sideshow
    sr20 shit on any 4cyl toyota engine in more ways than one so stop bagging them
    that's the problem
    The ones i've read about have all made great power and nice torque and they fit quite nicely as you can see from the photo I posted. Not sure how they compare on cost with a 1ggte but it hasn't been done as often either.
    Hello.

  13. #13
    dodgy mofo Carport Converter skiddz's Avatar
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    Default Re: sr20 conversion into ra28

    i was told the stumpy box (rb20) wasnt that much shorter than the s13/14 box i established the cost of the box significantly outweighted the cutting and welding also while undertaking this journey discovered the most over rated engine ever the engine in question is featured in my members ride thread

    a mob up here in sunny QLD had an sr20 in a ta22 and had it on display at jambo, IIRC it was stz automotive, infact im 100% sure of it

    www.stzautomotive.com.au

    drop em a line, they were more than helpful and i asked ALOT of questions in the hot sun at willowbank
    2T out 4A in....

    4A out 3VZ in. 3vzfe rebuild, RWD-ising, and conversion for ta22

  14. #14
    Junior Member Carport Converter timbosaurus's Avatar
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    Default Re: sr20 conversion into ra28

    wish I still had a link to that ebay listing. Was a blue 22 or 23 drag car with a worked SR. Cant rememer if it was tubbed, but it was caged with massize slicks. Maybe you should buy a built one
    Current rides...
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    1) Red RA28LT (NOW WITH 1G )

  15. #15
    Toymods President Conversion King TheToyman75's Avatar
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    Default Re: sr20 conversion into ra28

    Quote Originally Posted by sideshow
    sr20 shit on any 4cyl toyota engine in more ways than one so stop bagging them

    ive done afew sr20s into old corollas and even a ca18t into a very old corolla

    and it flew on std boost i doubt u coul dget a 4a to do that without spending much money

    but anyway dont want ot start flaming nissans or toytas now but

    u can get a skyline short 5 speed box

    then get the front bellhousing changed fron the std sr box to the short skyline box

    these short boxes are very hard to find so thats another problem but if u have the money u can prob find one somewhere

    if the sr20t fits into a ke20 then i cant se ey it would be different to a celica

    Jim,

    Claiming the SR20 Shits on all 4Cyl Toyota Variants is a big claim. I tend to think of them as the Nissan equivillent to the 3S-GTE. (And the CA18DET as the Nissan 3T-GTE) All of the SR20 variants have there issues but if you mix and match with aftermarket support you can build one hell on an engine and even a stock one with the right bolt ons can be very entertaining. There is no doubting they are a good motor but they are no better than a 3S-GTE, especially if you keep the comparison to equivelent aged variants (IE GTIR SR20 - Gen3 3S-GTE.) The SR20 may well be easier to install into a RWD platform tho. (Beams 3S excluded)

    I have said it before but fitting an SR20 into a Celica is like Butt sex in Jail, I can see why people do it but its still not right.

    As for the Gearbox fitment, yes it will be tight and the shifter will sit a good deal further back but it will fit. If you can fit it into a TA22 (And you can) then it will be a "better" fit into an RA28.
    Celica's: 1971 2T-B TA22 ST, - 1973 2T-G TA22 - 1973 2T-GTE TA22, aka The Unicorn. - 1976 2T-G TA23 - 1977 1G-GTE RA28.
    Crown's: 1970 2JZ-GE MS53 Crown Custom Wagon, aka The Chocolate Race Car - 1970 2M MS51 Crown Coupe, aka Smurfett.
    History: Rods Classic Celica Sampler thread.
    7 Toyota's in the collection.... 7 Days in a week - Coincidence, I think not. Even if I do ride a motorbike to work .

  16. #16
    Junior Member Backyard Mechanic bigmat's Avatar
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    Default Re: sr20 conversion into ra28

    cheers everyone again. sr20 box is 200mm longer than w58. mad dat racing here in sa has developed a bellhousing that will mate sr20 and celica boxes. expensive.

  17. #17
    Junior Member Carport Converter timbosaurus's Avatar
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    Default Re: sr20 conversion into ra28

    Quote Originally Posted by bigmat
    expensive.
    and silly...
    Current rides...
    2) White RA25ST
    1) Red RA28LT (NOW WITH 1G )

  18. #18
    Junior Member Domestic Engineer
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    Default Re: sr20 conversion into ra28

    reason i said it cause someone started to rubbish the thought of sr in a toyota

    if u like cars u should like all cars and conversions

    i know this a toyota forums and cause of idiots on here always having a toyota only mind many have left

    but anyway

    i siad in more ways than one not in every way

    the main reason they are good is the many many times more bolt on performance parts than most jap engines out there when compared to toyota mitsubishi etc etc

    some of u should goto japan and see what shit they have there

    u might actually learn something hehehehee

  19. #19
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    Default Re: sr20 conversion into ra28

    hey
    ive seen this conversion done a few times and i was almost going to do it to my ra23 but i decided to put the sr in my ae86, you dont have to cut the firewall or gbox tunnel, the shifter will come back a bit, and you need a ta23 crossmember because the nissan motors are front sump and
    would be a crazy conversion,

  20. #20
    Gobble, Gobble! Automotive Encyclopaedia mrshin's Avatar
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    Default Re: sr20 conversion into ra28

    4G63 or FJ20DET would be the engines of choice, but if you want something you can actually find/afford/fit without too much trouble, then SR is probably the go. SR and 3SGTE are both problem prone in some areas, it's just that SR's are the easiest/cheapest to overcome issues with. You can buy rods/pistons/rocker stoppers/manifolds/cams/etc. for an SR quite readily, fit a reasonable sized turbo, and enjoy good power, or you can keep a stock engine with a moderately upsized turbo and a few other toys, and still have fun. CA18DET is also a possibility if you like playing around a bit..

    The whole thing of bagging someone for wanting to mix brands is great - many give in to the name-calling, but the stronger few that survive SOMETIMES come up with great conversions.

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