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General Car Related Discussion.To discuss anything that is related to cars and automotive technology that doesnt naturally fit into another forum catagory.
They have 99 cast on block on drivers side,if i remember correctly,a lot of new blocks that came direct from cosworth,woodfords etc a few years ago were 99 blocks,but ment to be ok under 500 bhp
They have 99 cast on block on drivers side,if i remember correctly,a lot of new blocks that came direct from cosworth,woodfords etc a few years ago were 99 blocks,but ment to be ok under 500 bhp
Steve, surely not?? you,re having some shit luck mate at the min......
I have had the car apart this week due to needing a helicoil and sorting out other underbonnet issues.
When putting the car back together today my brother and i noticed a small water stain under No3 exhaust port, looked in the head and you could also see some staining, also No3 on the exhaust manifold was white and the other 3 black.
Decided to take the head off and No3 piston had a nice pool of water and antifreeze sitting on top of it
Don't look like any damage to the gasket, the head has a few small cracks around the spark plug.
Might be the block but can't see anything
Steve
Last edited by cossie4i+; Jul 19, 2009 at 09:13 PM.
Both Rods and Daves were brand new blocks, and had not been through any heat cycles, so it's suspected that the blocks both flexed due to the mahoosive torque causing the liners to move.
Both Rods and Daves were brand new blocks, and had not been through any heat cycles, so it's suspected that the blocks both flexed due to the mahoosive torque causing the liners to move.
I'm intersted in yours and Rods theory that the blocks get heat cycled.
From what i know of cast iron it needs to be elevated to temps way higher than 100 deg c to be normalized or hardened and any hardening that does occur is limited.
I'm intersted in yours and Rods theory that the blocks get heat cycled.
From what i know of cast iron it needs to be elevated to temps way higher than 100 deg c to be normalized or hardened and any hardening that does occur is limited.
Aint any theory behind anything , Ade will find out if heat cycles & perlonged use make it last with 700bhp, if it dont he will require a new Block. Daves warped in the mid 600's & mine did the same at about 750bhp we know another Tuner has had the same probs at these levels. If we had any theory on these Blocks we would not have used the B****y things .
I've heard that the turkish block only fail due to liners?
I know someone getting a 640bhp engine built using a turkish block
Not true, they warp & head gaskets lets go. When measured the rear of my Block dropped away .004" but that was enough. Think Daves went in the middle but not sure.
The person getting that built is not sensible with the information that others are giving out, very expensive if that goes the same way.