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  1. #1
    casual poster mousey's Avatar
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    Default 253 V8 Doing a matching number engine

    All this talk of 253's here is a little 253 my boy is doing for his Torana . Block 30 thou over heads pre poluttion cranks done cam specs roller rockers carby is 465 with front & rear metering blocks milled choke & vacuum secondary's ( probably go 600 holley )

  2. #2
    Do you ever leave? Brettly-2008's Avatar
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    Nice one, I did a 253 years back with a similar cam. What sort of comp is he running here?

  3. #3
    casual poster mousey's Avatar
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    Not sure really just faced head & block. Not after a super quick one . Though it did run 14.7 before rebuilding

  4. #4
    casual poster mousey's Avatar
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    will be going back in this. We have letters of authenticity from GMH as why he's spending the money on the 253 .

  5. #5
    casual poster Hj j tonner's Avatar
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    very nice i like it yep i have the original 253 in my 1 tonner will rebuild when the time comes....

  6. #6
    been here .......too long Smitty2's Avatar
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    ... you need comp with that cam
    and i assume this won't be street driven much as that Torker manifold with the cam on a 2Fluffy three
    will be a dog to drive (unless you run a high stally and/or very low gears)
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  7. #7
    casual poster TonnerGuy's Avatar
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    Quote Originally Posted by mousey View Post
    Not sure really just faced head & block. Not after a super quick one . Though it did run 14.7 before rebuilding
    I am impressed 14.7 is that running a manual box and what diff ratio, would out run my near stock 308 tunna for sure, will be interested to see how the rebuilt motor runs, as we have a 253 tunna almost ready to go back on the road, engine specs unknown is a WB blue motor.

  8. #8
    casual poster mousey's Avatar
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    M21 box & 3.36 diff from memory on 14 inch wheels. Both gearbox & diff have been rebuilt with this build up .

  9. #9
    Do you ever leave? HQ308Ute's Avatar
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    Quote Originally Posted by Smitty2 View Post
    ... you need comp with that cam
    and i assume this won't be street driven much as that Torker manifold with the cam on a 2Fluffy three
    will be a dog to drive (unless you run a high stally and/or very low gears)
    with a Vac secondary.. it'll never open.

  10. #10
    254RWHP boat anchor EVL253's Avatar
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    That cam & manifold is a bit of a mismatch! Especially the extra exhaust duration.has more exhaust duration than my cam does. Mine isn't that far off yours & has a ported torker albeit with 11.6 comp 5000 stall & 4.44 gears. With 10.5 comp a performer a manual with 3.55 gears was easy to drive but still had to rev it to get it to move.

    With what your comp would be I would rethink the cam & manifold will work a lot better
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  11. #11
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    you guys have said what I first thought,, quite a fair bit of cam,, weekend car & rough idle, manual trans, 4.11s,, it'll be ok prob be a bit better with a small dp carb

  12. #12
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    That really is a big cam for that engine. Even in a 308 would need a 3000-3500 converter. A crane 276 or similar would be more suitable with a performer if compression is a bit on the low side (less than 10.5:1 or so)

    Looks very nice though!

  13. #13
    Do you ever leave? HQ308Ute's Avatar
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    back in the day we just used a ol' Holden 4B manifold. Crane H264 with CR 99284-16 lifters Holley 650 DP in mates 2fluffity3 Torana.. pulled 13's smoked up all over the place and drove real nice around streets.

  14. #14
    casual poster mousey's Avatar
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    Before I gave it to my boy it had Repco manifold & spacer for that carby . Motor was originally built by Ross Torellie at Carbo tune Tweed Heads . Drove quite well . Will wait & see how it goes now & see what carby he puts on it

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