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[ROOT]/includes/functions.php on line 4752: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4754: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4755: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4756: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) RS Motorsport :: Classic Speed Restored • View topic - O ringing the block & head gaskets etc
Has anyone found it necessary to O ring the Pinto block (either wire O-rings or Wills rings) in their particular application. I haven't heard of sealing problems with the Pinto unit (are people using YB head gaskets such Cometic etc to seal high compression engines) but was just wondering what people's opinions are on it Cheers Justin
N/A, so I think O ringing is over the top in this case. I was more interested in which situations people have used these for sealing (ie. Wills rings or copper O ringing). I take it most people have been satisfied with the Felpro head gaskets when talking about compression ratios when running commerically available fuel in racing/rallying.
I used to have Steel rings fitted to block top.
These are fitted to a recession machined into top of block. It is my understanding this ring is tear drop shaped in section.
It was NOT fitted where I had specified. I believe if it was fitted outside the fire ring area and alignment was good this would have worked well.
I had heaps of trouble sealing a 2ltr head, due to the misalignment at the gasket face, between block/gasket/head.
This was with T10 block/Felpro 8361/German head.
The cause.
Misalignment between the 3
I emptied block, bolted head back on and inverted block to find this........
U can see where the head chamber disapears under block there.
I then bolted on another 2ltr head to find..................
So....then I bolted on a 1600 cc head...................
much better.
BUT
I had to make the 2000cc head work,
The fix.
Machine o rings flat
Whist ehgine was inverted and empty, I moved head, whilst on block to a favourable position.
I then scribed the bore outline onto head in that position.
I basically found the head needed to be pulled all the way forward and slightly one way, for my situation. It is not simply a situation where spacers can be made for head bolts etc.
As I tried this earlier.
I then used gasket as aligner for head and blockand fitted 2 dowels 1/4" to block.
I have no image of this
Bear in mind this head has in the order of 2.5 mm planed from it.
The 2lt motor I recently picked up has an O-ringed head, not block. Have half pulled it down and wrecked the copper h/gasket getting it off so not sure if Im keeping the O-rings or not yet. If I could get them to work with a Felpro gasket I'd probably just leave it as is.