| Mark Brye |
01-28-2008 02:03 PM |
We used a cutting tool like the one shown. We made ours out of an old valve. But, without pulling the engine, how do you balance the engine afterwards? Chances are, you will throw the balance of the engine off unless you can take the same amount of material out of each piston.
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| CobraEd |
01-28-2008 02:12 PM |
Quote:
Originally Posted by Mark Brye
(Post 809103)
But, without pulling the engine, how do you balance the engine afterwards? Chances are, you will throw the balance of the engine off unless you can take the same amount of material out of each piston.
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And each crank counterweight!
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| jdean |
01-29-2008 07:14 PM |
Well the piston and pin likely weigh over 600 grams.......the material removed may weigh as much as one gram? Will this be noticed? Doesn't seem like it.
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| Madmiles442 |
01-29-2008 10:45 PM |
Oh bloody hell,
you talking about me grinding on the top of my pistons?
I'm thinking I'd rather borrow sleep aids from Heath Ledger.
Perfect storm for me to really F up an engine, royally.
I can't believe nobody out there has plopped these heads on this motor!
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| ERA-FIA |
01-30-2008 07:26 AM |
Ok, I put them on my Ford Motorsport 392 about four years ago. They went on with no modiification at all and ran great. I was prepared to relieve the intake valve pockets with a 2.08" cutter, it was not necessary.
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| jdean |
01-30-2008 08:17 AM |
Hey I never said YOU should be responsible for using it!
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| Madmiles442 |
01-30-2008 07:39 PM |
Quote:
Originally Posted by ERA-FIA
(Post 809701)
Ok, I put them on my Ford Motorsport 392 about four years ago. They went on with no modiification at all and ran great. I was prepared to relieve the intake valve pockets with a 2.08" cutter, it was not necessary.
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Yea!!!
Thanks Joe! |
| ERA-FIA |
01-31-2008 07:00 AM |
Mad442
Two related issues, you will need longer pushrods, I used Manley's(sp)...and replace your intake manifold gaskets with the Ford Motorsports parts of the same number, these have the metal sandwich . Retorque the manifold A LOT until everything takes a set, a search will indicate why I say that.
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| Jimbocobra |
12-03-2009 01:37 PM |
Make sure you check out his post- very valuable information. Mark had to flycut the pistons. I think 2005 was the cutoff year. Please research this carefully. I have been considering the move, but until I know for sure that this is not going to be a huge project, I am loathe to start it.
( http://www.clubcobra.com/forums/show...ghlight=flycut) |
| TButtrick |
12-04-2009 04:20 AM |
I have a set of AFR185s to replace the GT40x heads this winter on my crate 392W. Here's the article that convinced me to do it.
Quote:
Originally Posted by ERA-FIA
(Post 810177)
.... a search will indicate why I say that.
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Can you just give us the threads link? Nobody will find it faster than you. |
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