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bugblanc
Samba Member
Joined: November 28, 2017
Posts: 72
Location: Scotland
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 Posted: Tue Jun 15, 2021 9:30 am Post subject: High lift rocker cover. |
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My new 1904 motor has 1.4:1 rockers and a Web 80 cam so I fitted a set of bolt on rocker covers for the extra clearance. Now I have come to put the engine in (a '65 Beetle) there is no way they will fit between the metal or be accessible to service.
How do folk get around this?
Will stock tin ones work or should I use the slightly larger ones such as Scat?
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Last edited by bugblanc on Tue Jun 15, 2021 11:41 am; edited 1 time in total |
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itsawesty
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Joined: April 25, 2016
Posts: 101
Location: St Albans, UK
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| Posted: Tue Jun 15, 2021 10:17 am Post subject: Re: High lift rocker cover. |
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I had the same problem on my 59 ghia. No way were my nice billet CB valve covers gonna fit.
2276cc, 1.4:1 rockers and an FK7 I have no issues running stock covers. I recently swapped to SCAT clip on covers and these also fit ok.
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'59 Ghia build thread https://www.thesamba.com/vw/forum/viewtopic.php?t=737729
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bugblanc
Samba Member
Joined: November 28, 2017
Posts: 72
Location: Scotland
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| Posted: Tue Jun 15, 2021 11:47 am Post subject: Re: High lift rocker cover. |
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It beats me, 1904 is only a 5mm increase each side from the original 1200. Not as if I am putting a mountain motor in it.
Heritage had some Scat StSt items so ordered them. Should get tomorrow and see how it goes.
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itsawesty
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Joined: April 25, 2016
Posts: 101
Location: St Albans, UK
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| Posted: Tue Jun 15, 2021 11:58 am Post subject: Re: High lift rocker cover. |
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i dont know for sure but feel my issues were more engine height rather than width.
early pan, later box and nosecone, later mount welded in, rhino mounts, and the air ride cradle/brace tie in on the framehorns have (i think) contributed to a slightly higher engine further back towards the rear of the car. Stock valve covers are also “tight”
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'59 Ghia build thread https://www.thesamba.com/vw/forum/viewtopic.php?t=737729
'73 Westy
'90 Scirocco
2003 911
www.hertfordshirevehiclestorage.com |
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bugblanc
Samba Member
Joined: November 28, 2017
Posts: 72
Location: Scotland
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| Posted: Tue Jun 15, 2021 12:16 pm Post subject: Re: High lift rocker cover. |
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My motor is about 10mm high and I have struggled to work out why other than a HD horn bracket and Rhino mounts. The extra width fouls the return folds on the bottom of the inner wing panels so they may get trimmed.
I have to rework the Kafa bars first thing tomorrow then I can put the motor back.
After that I’ll bet my throttle bodies hit the sides 
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k@rlos
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Joined: October 04, 2012
Posts: 485
Location: Suffolk, England
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| Posted: Tue Jun 15, 2021 12:26 pm Post subject: Re: High lift rocker cover. |
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| I’ve got genuine VW rocker covers on my 2110 which has an Engle FK10 & 1.4 rockers. Never had an issue with that. |
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bugblanc
Samba Member
Joined: November 28, 2017
Posts: 72
Location: Scotland
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| Posted: Tue Jun 15, 2021 12:31 pm Post subject: Re: High lift rocker cover. |
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| k@rlos wrote: |
| I’ve got genuine VW rocker covers on my 2110 which has an Engle FK10 & 1.4 rockers. Never had an issue with that. |
I have seen others say it is OK. It worried me that it could do some damage if the rockers hit the covers even though my cam is fairly mild.
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bugblanc
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Joined: November 28, 2017
Posts: 72
Location: Scotland
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| Posted: Thu Jun 17, 2021 9:09 am Post subject: Re: High lift rocker cover. |
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Well the Scat SS items turned up from Heritage this afternoon. They save approximately 20mm a side. I did try a stock pair but they are so close they may well touch.
Now just waiting for some decent nuts for the rocker shaft posts - M8 / 10.9 with a smooth flange.
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itsawesty
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Joined: April 25, 2016
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Location: St Albans, UK
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bugblanc
Samba Member
Joined: November 28, 2017
Posts: 72
Location: Scotland
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| Posted: Thu Jun 17, 2021 9:35 am Post subject: Re: High lift rocker cover. |
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There seems to be a lot of discussion about the washer, some people say use a wavy washer but many say don't use any washer.
My old 1200 doesn't have any washers and they do say that they didn't have any when they came out of the factory.
I have found some good high tensile (10.9) smooth faced flange nuts which give a much larger contact surface. I was hoping these would torque up and stay put?
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67rustavenger 
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Joined: February 24, 2015
Posts: 9771
Location: Oregon
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| Posted: Fri Jun 18, 2021 8:44 am Post subject: Re: High lift rocker cover. |
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My SCAT 1.4:1 rockers came without washers. Just a set of Nylock nuts. So that's what I run. The rockers don't come loose.
Regarding the rockers hitting the VC. I run a Webcam 86b with the 1.4 rockers.
STOCK VC! No need for any aftermarket covers.
It's your car. Do what you feel makes you happy and safe.
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Cheap parts are gonna disappoint you.
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Dauz
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Joined: January 05, 2010
Posts: 1790
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| Posted: Fri Jun 18, 2021 9:57 am Post subject: Re: High lift rocker cover. |
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| hmm.. I've purchased those CB billet covers for my new motor. Now I'm second guessing them. |
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bugblanc
Samba Member
Joined: November 28, 2017
Posts: 72
Location: Scotland
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| Posted: Fri Jun 18, 2021 10:06 am Post subject: Re: High lift rocker cover. |
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| Dauz wrote: |
| hmm.. I've purchased those CB billet covers for my new motor. Now I'm second guessing them. |
Mine we’re Empi but I doubt there is much differencs.
With a bit of tugging an squeezing I could probably have got it all to fit but TBH it was ridiculously tight and I don’t see how I would have got them off to do valves. As it is I have trimmed some of tin at return bottom edge of the inner wing.
The Scat SS ones seem to be a better bet. A tad taller so will clear the rockers. Usefully they also have enough of a flat at either end to fit the breathers.
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mark tucker
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Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Fri Jun 18, 2021 10:19 am Post subject: Re: High lift rocker cover. |
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use higher pin hight pistons so the cylinders can be shorter.. make soime 2 peice valve covers.( witch Im very suprized the CB billets are not. just a removable top half.with "O" ring seal.) or wood that be side removable...  or....widen your car.  Also the cb "C" channel valve covers are shorter than the empi's version. |
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