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displaying posts 1 to 19 of 19
| Author | Subject: how much bhp with standard cams? |
 smithy27eng
Newbie  Location: blackpool Registered: 25 Dec 2009 Posts: 32 Status: Offline |
Post #1
im looking to replace the lifters and tappets and also both cams but keeping them standard so does anybody know how far u can go with these without causeing problems and what is the best performance chip to get so i can remap it and set it up how it should be thanks________________________________________ 306 gti 6 bpl |
 Posted 4th Jan 2010 at 00:26
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cress87
Seasoned Pro  Location: Norwich Registered: 30 Mar 2007 Posts: 11,360 Status: Offline |
Post #2
Punctuation ftmfw.________________________________________  You feed beefburgers to swans.  I may have been speeding Mr Policeman but [a] I live for the 306 and [b] did you see that dog? omfg |
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Posted 4th Jan 2010 at 00:27
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gota6again
Seasoned Pro  Location: Gone Registered: 18 Jan 2009 Posts: 1,595 Status: Offline |
Post #3
Maybe it's all in one breath and monotone? |
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Posted 4th Jan 2010 at 00:31
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smithy27eng
Newbie Location: blackpool Registered: 25 Dec 2009 Posts: 32 Status: Offline |
Post #4
Yes alright cheers for that. ________________________________________ 306 gti 6 bpl |
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Posted 4th Jan 2010 at 00:32
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joevts
Senior User  Location: barnsley Registered: 21 May 2008 Posts: 608 Status: Offline |
Post #5
what do you mean how far you can go? what exactly is it you plan to do with the cams? and why replace them? unless they're fubar'd, or you just have money to burn? |
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Posted 5th Jan 2010 at 00:20
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jaydog81
Regular  Location: york Registered: 12 Dec 2007 Posts: 351 Status: Offline |
Post #6
smithy27eng wrote: im looking to replace the lifters and tappets and also both cams but keeping them standard so does anybody know how far u can go with these without causeing problems and what is the best performance chip to get so i can remap it and set it up how it should be thanks If your going to all that effort and you want to go down the route of re-mapping/ chipping you would be better off upgrading your cam's with aftermarket. You won't see any gaines at all, and you would have been better buying everyone a beer off here just fir the hell of it.  ________________________________________ *jay81.Phase 2.5/S-99 Team i live for working,Paying bills and funding my hobbies. I wish my life could be just living for a pink "I love the 6 sticker".  |
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Posted 5th Jan 2010 at 00:28
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smithy27eng
Newbie Location: blackpool Registered: 25 Dec 2009 Posts: 32 Status: Offline |
Post #7
well its tapping slightly im trying to keep the car standard.SO Im going to replace the cams and lifters and tappets with standard ones.But just wanted to know what bph can the engein take without having to upgrade internal parts thanks________________________________________ 306 gti 6 bpl |
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Posted 5th Jan 2010 at 01:21
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ryangti6
Seasoned Pro  Location: Pontypool Registered: 01 Sep 2006 Posts: 1,839 Status: Offline |
Post #8
Before you do anything you need to find the cause of the tapping.On these engines its very common to have snapped a cambelt and very often they dont get repaired properly leaving them with a tapping noise. I hope for you this isnt the case but very rarely do these cars tap due to the hydraulic lifters, they are quite reliable usually. ________________________________________ Ryan |
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Posted 5th Jan 2010 at 01:29
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aaron6
Seasoned Pro  Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #9
ryangti6 wrote: I agree, sounds like you probly have a couple of bent valves still left in there. Before you do anything you need to find the cause of the tapping. On these engines its very common to have snapped a cambelt and very often they dont get repaired properly leaving them with a tapping noise. I hope for you this isnt the case but very rarely do these cars tap due to the hydraulic lifters, they are quite reliable usually.  ________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 5th Jan 2010 at 01:42
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smithy27eng
Newbie Location: blackpool Registered: 25 Dec 2009 Posts: 32 Status: Offline |
Post #10
no the cambelt is fine tho i have receipts for 2800 for the engein from 18 months ago with loads of work done to the top end.Ive just bought the car 2 weeks ago from leicster and drove it back to blackpool the cars fine. Think they havent replaced the tappets and lifters im not sure but a few people have told me this could be the case. cheers anyways ryan________________________________________ 306 gti 6 bpl |
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Posted 5th Jan 2010 at 01:46
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ryangti6
Seasoned Pro Location: Pontypool Registered: 01 Sep 2006 Posts: 1,839 Status: Offline |
Post #11
No worries.Do you know why it had the top end rebuilt? That does sound even more like its thrown a belt and hasnt been repaired correctly to be honest. The problem is they still run 100%. People usually either just replace the valves that look bent and miss one or two or dont change the valve guides and it leaves them with the tapping noise. If you can put a video up then I or someone else will quite happily give an opinion, it would be a shame to spend on new lifters and it not cure the problem as they arent cheap. ________________________________________ Ryan |
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Posted 5th Jan 2010 at 01:53
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jaydog81
Regular Location: york Registered: 12 Dec 2007 Posts: 351 Status: Offline |
Post #12
It doesn't matter if the belt has been replaced religously all its life, if the timing has moved or there was a valve fault this would be your problem to investigate. The car will still drive and perform.Can take up to around 260 bhp. "If you replace every standard part like for like" you will still get 167 and always 167bhp"  ________________________________________ *jay81.Phase 2.5/S-99 Team i live for working,Paying bills and funding my hobbies. I wish my life could be just living for a pink "I love the 6 sticker". |
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Posted 5th Jan 2010 at 02:00
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smithy27eng
Newbie Location: blackpool Registered: 25 Dec 2009 Posts: 32 Status: Offline |
Post #13
sorry mate i dont know why it was rebuilt im having it looked at by a mechanic ive know for ages who use to have one but i will still replace lifters and tappets anyways do u know how much these valves are? im just been picky really as i want it mint ive seen the vids of them tapping on youtube and its nowhere near as bad as them.but like u say think someone was been lazy when they did the job and have missed something hopefully not valves as these lifters aint cheap lol ________________________________________ 306 gti 6 bpl |
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Posted 5th Jan 2010 at 02:01
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smithy27eng
Newbie Location: blackpool Registered: 25 Dec 2009 Posts: 32 Status: Offline |
Post #14
i know il still get 167 bhp still aint bothered about that its fast enough to get me to shops and back lol probly get it chipped and filter not too bothered about going sick on it just want it spot on________________________________________ 306 gti 6 bpl |
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Posted 5th Jan 2010 at 02:04
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cwspellowe
Seasoned Pro  Location: Calderbank Registered: 19 Jul 2009 Posts: 6,496 Status: Offline |
Post #15
No point chipping it at all unless you go for the full cams and tb's conversion.You'll maybe see 180bhp at best with that. No point really considering mine's making 175bhp on standard management! If you want more anything at a low cost without changing bits and bobs, advance the cam timing slightly. No more power but, according to others, a noticeable 10lbft extra torque (ish). Oh, and fold the back seats down. Just my two pence. ________________________________________ Bye bye Sundance Kid |
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Posted 5th Jan 2010 at 20:39
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barry.rs
Seasoned Pro  Location: South West Registered: 03 Apr 2003 Posts: 7,389 Status: Offline |
Post #16
Have you checked your spark plugs are tight  You may laugh but its happened to be the cause of tapping on more than one occasion now. |
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Posted 5th Jan 2010 at 21:24
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toby
Seasoned Pro  Location: Bourne Registered: 13 Dec 2007 Posts: 1,400 Status: Offline |
Post #17
smithy27eng wrote: sorry mate i dont know why it was rebuilt im having it looked at by a mechanic ive know for ages who use to have one but i will still replace lifters and tappets anyways do u know how much these valves are? im just been picky really as i want it mint ive seen the vids of them tapping on youtube and its nowhere near as bad as them.but like u say think someone was been lazy when they did the job and have missed something hopefully not valves as these lifters aint cheap lol As a quick check on the tapping, first check the spark plugs are in properly and tight. Next do a compression check on each cylinder, if you have bent valves it will show as lower compression on one compared to another cylinder. If you still think its tappets, I have a complete brand new unopened set of 16 I can sell you which will be a lot cheaper than Peugeot were quoting. ________________________________________ Previous Peugeot - 2000(w)GTI-6, Me old China, Supercharged with working aircon! |
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Posted 5th Jan 2010 at 22:14
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smithy27eng
Newbie Location: blackpool Registered: 25 Dec 2009 Posts: 32 Status: Offline |
Post #18
cheers lads im new to these cars so dont know anything at all.im getting the car checked over next week anyways full service cambelt as well so while its there i will get it all checked and give it whatever it needs suppose i can check the plugs myself tho ________________________________________ 306 gti 6 bpl |
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Posted 6th Jan 2010 at 00:15
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adam b
Seasoned Pro  Location: The Nam Registered: 24 Jan 2006 Posts: 12,828 Status: Offline |
Post #19
Your best bet is to take a couple of hours out and read through the engine section on here. Will save you a load of money and time. You can increase the torque on a standard engine easily, but not really the power. Very very unlikely to be the lifters/tappets that are making the noise. Normally its a bent valve or a bent valve guide. Can be a loose spark plug as well, especially as its so cold. Be very careful on the cam type if you buy larger ones as most will take out the standard pistons - you'll need bottom end work too. ________________________________________ Nothing to see here |
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Posted 6th Jan 2010 at 00:51
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