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  1. #1
    Non-member allanr5gtt's Avatar
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    172/182 cams

    hi there all
    is there any difference between the 172 and the 182 cams or the roller rockers?

  2. #2
    Non-member Adey aka Ewok's Avatar
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    Re: 172/182 cams

    nope, all the same

  3. #3
    Justin..
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    Re: 172/182 cams

    New poster! (less than 10 posts)

    no apperntly the only main different is exhaust and inlet manifolds

  4. #4
    Non-member Rob@Backyardracing's Avatar
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    Re: 172/182 cams

    What about cam timings? these the same? and maps?

  5. #5
    Non-member jure's Avatar
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    Re: 172/182 cams

    Yep. Also 172 Ph1 (aka 169) has cable throttle body compared to electronic from 172/182.

  6. #6
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    Re: 172/182 cams

    See, now you've got my attention. do you know how the inlet differs ?

  7. #7
    Justin..
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    Re: 172/182 cams

    New poster! (less than 10 posts)

    everything is the same, bar the mentioned above, and ph1 172's have bigger exhaust valves ( apparently )

  8. #8
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    Re: 172/182 cams

    Quote Originally Posted by Scoff View Post
    See, now you've got my attention. do you know how the inlet differs ?
    I dont think they do, I've fitted a 182 inlet manifold onto a 172 engine and its the same (As far as I could see) the cam cover is different on a 182 though, it doesn't breathe into the plenum!

  9. #9
    Non-member Adey aka Ewok's Avatar
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    Re: 172/182 cams

    later inlets have different breather setups and tb setup, also some came with an inlet stamped rs this has bigger ports, the 172 has a 4-1 mani 182 4-2-1, timing is all the same maps are different nowt else that i can think of

  10. #10
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    Re: 172/182 cams

    Its just that I find it hard to believe that they managed to make 10hp from an exhaust swap. I am led to believe the camshafts are not the same, that could well be B/S.

  11. #11
    Non-member Adey aka Ewok's Avatar
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    Re: 172/182 cams

    i dnt think they did make 10bhp more

  12. #12
    Non-member Adey aka Ewok's Avatar
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    Re: 172/182 cams

    all sales pitch to make it better than the pug 206 gti 180 that was about at the same time

  13. #13
    Non-member allanr5gtt's Avatar
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    Re: 172/182 cams

    so it look like the cams are the same though out the clio sport (ph1 172, ph2 172, 182). just been out and measured the valve's in my c/head the inlet valve are 33mm and the exhaust are 29mm.
    does any one know any more about the different size valve? i trying to work out if my engine is ph1 or ph2.
    thanks guys
    Last edited by allanr5gtt; 11-02-2009 at 21:29.

  14. #14
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    Re: 172/182 cams

    you can tell by the number on the block F4R is the engine code for all 172/182's
    738 is for the 182
    730 are for the mk1 172 (Some Mk1's use the 732 engine with a manual throttle body).
    732 is for the 172 Cups
    732 and 736 are for the mk 2 172's
    Parts are interchangable there the same basically the Mk2 172 has electric throttle bodies so thats there give away. the 182 having its 4-2-1 manifold.

  15. #15
    Non-member Rob@Backyardracing's Avatar
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    Re: 172/182 cams

    How easy is a Exhaust manifold swap alone on these on a ph2 172 for a 182 mani? ive worked on a few and done cambelts to services for peeps but i got a guy after a mani swap? i duno what to charge as im unsure the lenght of the job and if i need to lift engine out of its mounts for room?

  16. #16
    Non-member allanr5gtt's Avatar
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    Re: 172/182 cams

    Quote Originally Posted by Ashy View Post
    you can tell by the number on the block F4R is the engine code for all 172/182's
    738 is for the 182
    730 are for the mk1 172 (Some Mk1's use the 732 engine with a manual throttle body).
    732 is for the 172 Cups
    732 and 736 are for the mk 2 172's
    Parts are interchangable there the same basically the Mk2 172 has electric throttle bodies so thats there give away. the 182 having its 4-2-1 manifold.
    thanks ashy just had a look and i have the 736. which has had the t/b changed as it got bmw t/b on it.
    thanks again for all the info.

  17. #17
    Committee, South East Regional Rep James5's Avatar
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    Re: 172/182 cams

    Where are abouts on the engine are you pulling these numbers from on the F4r lump??

  18. #18
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    Re: 172/182 cams

    on the rear mate, sometimes on the timing belt cover (its a sticker btw)

  19. #19
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    Re: 172/182 cams

    cast into the block on mine, on the back I think.

  20. #20
    Non-member Duncan Grier's Avatar
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    Re: 172/182 cams

    Quote Originally Posted by Rob@Backyardracing View Post
    How easy is a Exhaust manifold swap alone on these on a ph2 172 for a 182 mani? ive worked on a few and done cambelts to services for peeps but i got a guy after a mani swap? i duno what to charge as im unsure the lenght of the job and if i need to lift engine out of its mounts for room?
    Bit of a pain - fitted the 182 manifold, decat pipe and new engine mounts to my friend Neils clio cup 172.

    Took me most of a day but the difference is massive! Really revs nice and you can feel the difference in power - torque steer in 1st and 2nd is a lot more.

    The clio cup inlet manifolds were hand picked from the best castings and apparently all the clio 172 cups have made the power stated or VERY close.

    To put the performance into context a tweeked early scooby (big exhaust / I/C on show) was about half a car behind by 100 lost him on the bends - don't tell Neil I was ragging his car though LOL

    Clio V6 mk1 airbox to fit when I get time with a cambelt change and full service and pads etc.

    You have to drop the subframe

  21. #21
    Committee, South East Regional Rep James5's Avatar
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    Re: 172/182 cams

    Quote Originally Posted by Ashy View Post
    on the rear mate, sometimes on the timing belt cover (its a sticker btw)
    No stickers

    Quote Originally Posted by Scoff View Post
    cast into the block on mine, on the back I think.

    I do have some numbers cast on the back of the block (Just below where the head sits).


    Don't forget fuel rail on phase 2 172 is different to the phase 1
    Attached Images Attached Images  

  22. #22
    Non-member Mudslinger's Avatar
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    Re: 172/182 cams

    Quote Originally Posted by Adey aka Ewok View Post
    i dnt think they did make 10bhp more
    i had both my 172 cup and the 182 trophy on the rollers @AVA and it was pretty much bob on 10hp diff

    ill see if i can find the graphs
    Attached Images Attached Images   
    Last edited by Mudslinger; 12-02-2009 at 00:20. Reason: found Graphs

  23. #23
    Non-member Rob@Backyardracing's Avatar
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    Re: 172/182 cams

    Quote Originally Posted by Duncan Grier View Post
    Bit of a pain - fitted the 182 manifold, decat pipe and new engine mounts to my friend Neils clio cup 172.

    Took me most of a day but the difference is massive! Really revs nice and you can feel the difference in power - torque steer in 1st and 2nd is a lot more.

    The clio cup inlet manifolds were hand picked from the best castings and apparently all the clio 172 cups have made the power stated or VERY close.

    To put the performance into context a tweeked early scooby (big exhaust / I/C on show) was about half a car behind by 100 lost him on the bends - don't tell Neil I was ragging his car though LOL

    Clio V6 mk1 airbox to fit when I get time with a cambelt change and full service and pads etc.

    You have to drop the subframe
    So a full subframe drop to do job? i can see numbers rolling in my head also need to fit a decat at same time but thats not an issue.... does the frame have to come right off all bolts or just back ones and lose fronts etc if you get me?

    Ps sorry for hi-jack to thread on this......

  24. #24
    Non-member Duncan Grier's Avatar
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    Re: 172/182 cams

    It was a while ago now but sure I needed to undo all the bolts retaining the subframe. Not that difficult, just be care full to not lower it too far or the driveshaft will pop out the gearbox I did it with axel stands / jacks - would be a lot easier on ramps you need a dcat pipe anyway as it will not join the original 172 exhaust.

  25. #25
    Non-member Rob@Backyardracing's Avatar
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    Re: 172/182 cams

    cheers duncs...

  26. #26
    Non-member Rob@Backyardracing's Avatar
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    Re: 172/182 cams

    Right chaps, i just fitted a set of matched ported inlet manifold to a 172 cup yesturday, i think the jan sport jobby. Now the mani i removed was the RS type, and i could hardly tell the difference between the too IMO. Anyway there is a £60 surcharge on the mani so is it worth swaping for the cash with jan or keeping hold of or are they worth more on ebay?

    Also while on the subject are net cams (if i heard right) any good?? seem cheap, if not witch is an ideal cam to go for of the shelf.. Im getting asked to do these jobs but i dont hold very good advice on these motors yet...... cheers
    Last edited by Rob@Backyardracing; 14-02-2009 at 11:37.

  27. #27
    Non-member Andrew Cooke's Avatar
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    Re: 172/182 cams

    net, not cat, or web?

  28. #28
    Committee, South East Regional Rep James5's Avatar
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    Re: 172/182 cams

    From what I have been reading on Cliosport.net the RS type are fairly rare and are supposed matched / better ported than the rest.

  29. #29
    Non-member Adey aka Ewok's Avatar
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    Re: 172/182 cams

    i think 172 cups had the rs inlet an dthe last of the line 182s and trophys did too

  30. #30
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    Re: 172/182 cams

    could the difference's just be BS ? sounds like potential BS to me. Rob, sounds like you need to swap that manifold with a standard 172 one I have under the bench, I'll tell you if it's any different

  31. #31
    Non-member Adey aka Ewok's Avatar
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    Re: 172/182 cams

    ive seen a stock bottom half and an rs bottom half side by side, defo a difference cant comment on the top sections tho

  32. #32
    Non-member Rob@Backyardracing's Avatar
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    Re: 172/182 cams

    Quote Originally Posted by Andrew Cooke View Post
    net, not cat, or web?
    defo not cat, could be web.........

  33. #33
    Non-member Rob@Backyardracing's Avatar
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    Re: 172/182 cams

    Quote Originally Posted by Scoff View Post
    could the difference's just be BS ? sounds like potential BS to me. Rob, sounds like you need to swap that manifold with a standard 172 one I have under the bench, I'll tell you if it's any different
    Ill try sort summet out with scoff.....

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