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  1. #1
    Tadpole
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    Default Odd-Fire PRV Cams

    Anyone have a source for performance cams for the odd-fire PRV?

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  2. #2
    Tadpole
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    C'mon....somebody must know someone that has a better than stock set of cams...can anyone recommend a desired lift and duration for a performance cam that will work without having to change other valve train components?

  3. #3
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    Quote Originally Posted by Volvo Rick
    C'mon....somebody must know someone that has a better than stock set of cams...can anyone recommend a desired lift and duration for a performance cam that will work without having to change other valve train components?
    Yes, Crow cams in Melbourne have a cam which works, this was developed in conjunction with some PCCV members, don't know any details
    www.crowcams.com.au
    Graham

  4. #4
    Tadpole
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    Graham, Thanks for the response!

  5. #5
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    I chatted with Ray of Crow cams. He said he hasn't had any b27 or b28 billets to make cams for awhile. Any other reputable source? Thanks, Rick

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    Quote Originally Posted by Volvo Rick
    I chatted with Ray of Crow cams. He said he hasn't had any b27 or b28 billets to make cams for awhile. Any other reputable source? Thanks, Rick
    No I think they are the only ones that have sorted these cams out. Others may claim to have but I would think you would be dissapointed with them.
    Graham

  7. #7
    Fellow Frogger! aquinian's Avatar
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    Quote Originally Posted by Volvo Rick
    Anyone have a source for performance cams for the odd-fire PRV?
    Camshaft Engineering in Osborne Park, WA, do 2850cc (odd-fire) cam regrinds for $79 per cam. I had them do mine, and they are perfect. Not a "performance" grind but higher lift than the original 2700cc cams.

    Regards,
    John Lane.

  8. #8
    1000+ Posts Warwick's Avatar
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    See if you can contact member "oddfirev6" or whatever his moniker is. Rob knows a bit about this sort of thing.
    Why wouldn't you take the cams to Wades and get the grind of your choice?
    "Now my dream lies shattered like the shards of a broken dream"

  9. #9
    Fellow Frogger! aquinian's Avatar
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    Quote Originally Posted by Warwick
    See if you can contact member "oddfirev6" or whatever his moniker is. Rob knows a bit about this sort of thing.
    Why wouldn't you take the cams to Wades and get the grind of your choice?
    Yes, I know Rob and he gave me a lot of help with my own project. Why wouldn't you go to Wades? Two reasons - cost, and the inherent complexity of the task. The first of these reasons speaks for itself. The second is demonstrated in the lengthy and challenging exercises gone through over the years by Rob and others in their endeavours to get a good "performance" profile worked out with Crow Cams. Why reinvent the wheel?

    Cheers,
    John Lane.

  10. #10
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    Quote Originally Posted by aquinian
    Yes, I know Rob and he gave me a lot of help with my own project. Why wouldn't you go to Wades? Two reasons - cost, and the inherent complexity of the task. The first of these reasons speaks for itself. The second is demonstrated in the lengthy and challenging exercises gone through over the years by Rob and others in their endeavours to get a good "performance" profile worked out with Crow Cams. Why reinvent the wheel?

    Cheers,
    John Lane.
    I've never found Wades to be expensive but I fully agree with the second reason.
    Graham

  11. #11
    Fellow Frogger! aquinian's Avatar
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    Quote Originally Posted by GRAHAM WALLIS
    I've never found Wades to be expensive but I fully agree with the second reason.
    Graham
    Graham,

    I don't know Wades from a jar of vegemite, so no comment was intended concerning them in particular. Only that a custom grind is going to be a lot more costly than $79 per cam. (And if it isn't, let me know and I'll give 'em a job today!)

    Cheers,
    John.

  12. #12
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    Dear fellow Camshaft experts

    I hope like all those who own really big degree wheels and not one but two dial indicators you are in a position to back claims you may make in relation to the quality or otherwise of various camshafts. Note the measurements of standard ex factory Volvo B28 type 3 camshafts in the attachment.


    Any claim of PRV cam perfection cannot be established without hard numbers as above, by the way note the lack of perfection in the numbers in the attachment. The Crow HiPo cams by the way are 9.8mm lift, 300-310 deg duration and about 75 deg overlap

    Now the Wade organisation is a quality camshaft builder, their standard regrinds are slightly less lift than a standard 604 grind and so not much good for high performance engines. Now when pushed to do a high performance oddfire cam they took 3 attempts to get the overlap correct between each bank and the final result was in fact particularly good. So much bother was this incident though that Wades, in my experience, are not prepared to do any oddfire cam regrind other than standard 604/Volvo 264.

    After years of bitter experience we have yet to discover anyone in Australia who can reproduce high performance PRV V6 cams other than Crow, the usual cost is $500 or so a pair using new billets. If such and organisation does exist I would like to know about this fact rather than go through another bout of disappointment and wasted hours in yet another set of cams that are too far out equivalence in the timing between left and right sides of the engine to be considered acceptable.
    Attached Files Attached Files
    Last edited by OddFireV6; 23rd May 2005 at 04:59 PM.
    OddfireV6
    504 V6 24V, 203

  13. #13
    Fellow Frogger! aquinian's Avatar
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    Quote Originally Posted by OddFireV6
    Dear fellow Camshaft experts
    Ouch!
    Current: 406 Coupe, 504 Sedan

    Previous: 306XSi, 205GTi, 206Gti, 505 V6, 505 Wagon, 504 Sedan, 504 Wagon, 306Gti6, 306XT, 205Si, Citroen XM, Citroen Xantia

  14. #14
    Tadpole
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    So what is the current best choice cams for performance for an odd-fire PRV? 1980 Volvo B28 cams? Thanks, Rick

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    And while we are hovering about the subject, has anyone had any experience with 2.2 Douvrin OHC Cam profiles? Does anyone make a higher lift one of them than the original Unleaded GTi?
    eatpeople04

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  16. #16
    Demannu-facturing! Demannu's Avatar
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    Quote Originally Posted by eatpeople04
    And while we are hovering about the subject, has anyone had any experience with 2.2 Douvrin OHC Cam profiles? Does anyone make a higher lift one of them than the original Unleaded GTi?
    Yes, they came out of the Douvrin factory. Both the earlier leaded 2.2 litre and the 2 litre renditions of the motor had higher lift and longer duration than the unleaded versions. They make a noticeable difference when installed in conjunction with increasing compression ratios.
    Scotty

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  17. #17
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    Does anyone know if the Talbot Tagora 2.6 cams are worth trying to locate? Thanks, Rick

  18. #18
    Demannu-facturing! Demannu's Avatar
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    Quote Originally Posted by Volvo Rick
    Does anyone know if the Talbot Tagora 2.6 cams are worth trying to locate? Thanks, Rick
    I didn't think that they were any different to the Peugeot/Volvo 2664cc cams.
    You're better off with the 2850 ones.
    Scotty

    Melbourne - Dandenong Ranges

    1956 Peugeot 403 - 'Francois' - resto project

    1969 Peugeot 504 - 'Pascal' - daily driver project

    1970 Peugeot 404 Utility - 'Brutus' - resto project

    1978 Peugeot 604 - as yet unnamed - V6 on straight LPG

    1987 Peugeot 505 - as yet unnamed - project car

    1999 Peugeot 406 Coupé - 'Chloe' - 5 speed manual

    2011 Peugeot 3008 XTE HDi - 'Zoe' - hatchback on steroids

    2014 Peugeot RCZ - 'Remy'

    1999 Range Rover 4.6 HSE - 'Grover' - tow car

  19. #19
    Budding Architect ???? pugrambo's Avatar
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    i have the highest lift 2850 cams in the 604 with 91mm pistons

    the engine pulls harder than a teenage boy but you have to watch for pinging though

    i run 98 octane and it can still ping but with water injection it stops pinging

    next will be a megasquirt injection setup on it to really make the best of it as the carb is strangling it a bit

    i have been told that the exhaust is louder now and has a better note than before the rebuild and i'll admit it does sound great

    i was thinking of putting a bigger free'er flowing system on it but i think it may attract the boys in blue
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  20. #20
    1000+ Posts bowie's Avatar
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    attrack boys in blue.. They'll hear it.. and look behind and to the side of you wanting to see where that mad ol noise is comming from..

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  21. #21
    Tadpole
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    Sean, What cams are you running? Where did you get them from? Thanks, Rick

  22. #22
    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by Volvo Rick
    Sean, What cams are you running? Where did you get them from? Thanks, Rick

    b28 cams from a 264 volvo aus spec
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  23. #23
    Tadpole
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    Sean, Do you happen to know the specs of your stock Volvo cams? Are there any other folks that might have a lead on the Crow Cam specs? I've chatted with Ray at Crow and I keep getting that they did seven different grinds for the PRV from mild to wild but haven't gotten Ray to share the specs. I'm just trying to find a street performance grind.

  24. #24
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    Now I am no expert but some of the Alpine dudes here in melbourne have also been mucking around with the PRV cams as well, they often talk about places in france, but I have found it is also like understanding the black arts.... with these engines and cams. Having seen OddFireV6 car at various french car days I'd say he knows his stuff. Maybe someone else is Colin from Alpine Affaire who has dealt with the alpine side of things. http://www.alpineaffaire.com.au/

    All I know is that the cold hard specs/figures seem to be one hard thing to get you hands on, and the other is the place to make the cams. I know i am waiting on the side lines always looking at this subject so that one day I can build up a engine for my A310.

    Here are some links below out of interest ...
    http://www.simon-auto.de/alpine/engl...310_tuning.htm
    Engine-tuning wir liefern diverse Artikel zum Thema Motortuning:
    - Order-Nr. 241257, sport camshaft 296°, left
    - Order-Nr. 241258, sport camshaft 296°, right

    http://www.ferrydev.com/
    The famous french engine tuners..... look at link below for engine stuff
    there are cams there somewhere, just can't find it in all that french :-)
    http://www.ferrydev.com/ens_mobile.htm

    And at the Renault Alpine forum in the uk, chris refers to ferry dev cams etc
    http://www.renaultalpine.co.uk/
    www.renaultalpine.co.uk Forum Index -> General Discussion -> performance Camshafts
    http://www.renaultalpine.co.uk/PHPBB...587&highlight=

    Chris Whyman GTA
    http://www.renaultalpine.co.uk/australia_visitors.htm

    I don't know if this all adds to the conversation, but it maybe of some help

    regards

  25. #25
    Tadpole
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    Thanks Covert....great leads!!

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