Mazda Fe Stroker piston - Mazda MX-6 Forum
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post #1 of 31 (permalink) Old 1-14-11, 14:43 Thread Starter
 
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Mazda Fe Stroker piston

Hi Guys

What pistons would work with the stroker motor, got a forged rod standard length ?
Heard the SR20det or 4g63 or 3sgte forged piston will fit ?


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post #2 of 31 (permalink) Old 1-14-11, 22:30
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Pistons

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Originally Posted by nevillehome View Post
Hi Guys

What pistons would work with the stroker motor, got a forged rod standard length ?
Heard the SR20det or 4g63 or 3sgte forged piston will fit ?


Hi Jacob Iv got some Ross forged Pistons that will work CH 1.279 to go with standed rods to make a stroker kit $550 there yours
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post #3 of 31 (permalink) Old 1-14-11, 22:41 Thread Starter
 
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are these new pistons ?
where is your location ?
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post #4 of 31 (permalink) Old 1-15-11, 0:26
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Pistons

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are these new pistons ?
where is your location ?
Yes they are new Sydney Australia
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post #5 of 31 (permalink) Old 1-15-11, 0:44 Thread Starter
 
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What size pistons are they ?
How much would it cost to ship to South Africa ?
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post #6 of 31 (permalink) Old 1-15-11, 1:33
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Ross pistons

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Originally Posted by nevillehome View Post
What size pistons are they ?
How much would it cost to ship to South Africa ?
87mm $70
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post #7 of 31 (permalink) Old 1-15-11, 13:06 Thread Starter
 
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can you send me an picture of the pistons please ?
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post #8 of 31 (permalink) Old 1-15-11, 14:30
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4G63 or 3SGTE pistons do not fit FE stroker!

I think I have been along perpetuating this myth. It was before I began to verify the validity of the information I'm given. Apologies.

They have compression height of 35mm, only 1mm less than stock piston; you need 4mm, or 32mm. SR20DET pistons are the only pistons useable, but only worth getting for cheap; the lack of valve pockets is quick to cause grief, and they have a bit too little dish volume for really high boost. Also, don't go past 86.5mm bore, 87 *will* crack under boost, this is proven by many, here and other forums. I bored mine to 86.5 and filled the block up to core plugs to be sure. Wall thickness really is an issue with FE DOHC.

4G63 or 3SGTE pistons won't destroy a regular 86mm stroke engine, but then you'd lose a lot of squish without extra thin gasket. SOHC rods on the other hand are 2mm taller than DOHC's, which would ram the pistons into the head. Using an extra thick gasket (~3mm!) would help but again that creates other problems.

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post #9 of 31 (permalink) Old 1-15-11, 21:55
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Stroker piston

I'v been using 87mm bore for over 6 years never cracked a bore and running high boost 30-35 psi. you must have heat props if its cracking.And i have had my cylinder walls measured there is about close to 5mm thick going to 87 no worries. Iv got a team who will build my next motor an i no by talking to them they have the 2j with less cylinder wall thickness then the fe3 and they are making 330hp per cylinder. If its cracking its heat proplems water temperuters

Last edited by mazda1; 1-15-11 at 22:04.
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post #10 of 31 (permalink) Old 1-15-11, 22:53 Thread Starter
 
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are these custom made ?, or for what car are they for ?
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post #11 of 31 (permalink) Old 1-16-11, 0:26
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Pistons

they are custom made for the fe3 stroker i had made up and changed my mind il send you pictures haveing props with camera
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post #12 of 31 (permalink) Old 1-16-11, 0:45 Thread Starter
 
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Why did you change your mind ?
Please send pictures to me please
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post #13 of 31 (permalink) Old 1-16-11, 1:42
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stroker pistons

I changed my minedthe rod ratio was not that good have you got a picture mobil i can send it via that send me your number

Last edited by mazda1; 1-16-11 at 2:07.
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post #14 of 31 (permalink) Old 1-16-11, 2:33 Thread Starter
 
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post #15 of 31 (permalink) Old 1-16-11, 6:24
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Ross pistons

I have sent the pictures to your email
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