f2t pistons in fe3 - Page 4

**fredio54** · 9-5-07, 10:42

any chance of grabbing an f2 piston and photographing that with the f2t one?

i guess this means fe3 pistons make really good f2 high comp pistons too. that is if you were crazy enough to do that sort of thing :-) i know one person is.

here are your pics cropped, resized and rehosted :

fred.

**bakmans** · 9-6-07, 8:57

Quote:

any chance of grabbing an f2 piston and photographing that with the f2t one?

sorry i dont have a f2 piston laying around here.

did something useful today though

f2t piston is 28 cc.
my fe3 head is 47 cc ( might be shaved a little before i got it )
head gasket is 1mm

so with f2t pistons in a stock fe3 ( means cranck and rods) gives a 7.2 cr acording to my calculations ( feel free to check)
thats to low for me but might be a good idea if someones interested in pushing some bigboost in a fe3.

have to recalculate it with the 2.2 crank. i did calculate it but asumed that the cupper fe3 head gaskets were 1.6 mm thick but just heard they were 1.1.
so... to be continued

**chief tool** · 9-7-07, 4:18

I have some pictures of an NA F2 piston...on the right, on the left is an NA FE SOHC oneIMAGE

**fredio54** · 9-7-07, 4:41

posted here for prosperity :-)

i might have to get hold of a set of those from someone at some stage. a budget 400hp build is possible like this :-)

**bakmans** · 9-7-07, 14:33

if you use the stock fe3 cranck those would be nice indeed. but according to my latest calculations with a 2.2 crank and fe3 rods and shaved f2t pistons i get a 8,6 cr. so with a little porting of the head this would also be a good 400 hp cheapass mod! including 200cc extra displacement!

**fredio54** · 9-7-07, 15:19

well, give it a try, but i dont like the chances of it surviving even a hint of bad fuel or bad tune. two things that most mx6.com members feed their engines when they shouldnt...

**bakmans** · 9-7-07, 15:30

why?

you dont make the bottom thinner. its just the edges. the dish in the f2t piston is about 9mm deep. and you still have about 4 or 5 mm left till the first ring.

and im builing ms !

**fredio54** · 9-7-07, 15:57

the ringlands... is why, but if you tune it right... it could be ok :-)

**Casejunkie** · 9-8-07, 11:28

Are the ringlands under that big stress that is would be a problem? Would it only a problem under boost or also if you are going for N/A?

**bakmans** · 9-8-07, 19:00

the stress on the ring lands is directly related to torque as this is directly related to the presuere in the combustion chamber.
a f2t pushes 400 nm easely ( because of the max hp at verry low rpms deu to the long stroke) so with half the ringlands and have the torqe you can easely push 200 hp at higher rpms with half the amount of stress in the combustion chamber.
so absolutely no problem N/A and under boost??? who knows?? im gonna test it for you guys!

**fredio54** · 9-9-07, 6:31

Quote:

Originally Posted by bakmans

so absolutely no problem N/A and under boost??? who knows?? im gonna test it for you guys!

sweet!

Quote:

Are the ringlands under that big stress that is would be a problem? Would it only a problem under boost or also if you are going for N/A?

the normal stresses probably arent an issue, but if there is any detonation, that could be an issue. easily. obviously thats way more likely with boost.

**fredio54** · 11-15-07, 17:32

bump

anyone came across an f2 piston to compare with an f2t piston on the same pin as above? even better, CC it?

fred.

**ademan** · 11-15-07, 19:42

Quote:

Originally Posted by fredio54

bump

anyone came across an f2 piston to compare with an f2t piston on the same pin as above? even better, CC it?

fred.

hey fred, what is the compression on the fe3 piston ? cause im looking for a cheaper high compression piston for my lx, and if the fe3 piston is the same size, diameter, compression as the kia

**fredio54** · 11-16-07, 3:27

10:1 in a 86mm stroke with stock dohc chamber.

kia is about 9.2 or so.

higher with longer stroke.

should be able to pick some up for cheap. i recylced 8 of them :-) (literally, for ally scrap)

any chance of a dx > gt on one pin photo shoot? and CCing of the dx/lx ?

**chief tool** · 11-16-07, 3:58

I'll see if I can get you some CC figures for the NA F2 one over the w/e.

Apologies, I said I was going to do it back in sep, but things really got out of hand time wise.

Unfortunately the only F2T ones I own, are needed to make my car go at the moment.

9-5-07, 10:42	#46 (permalink)
fredio54 Join Date: Aug 2004 Location: Auckland, New Zealand iTrader: (1)	any chance of grabbing an f2 piston and photographing that with the f2t one? i guess this means fe3 pistons make really good f2 high comp pistons too. that is if you were crazy enough to do that sort of thing :-) i know one person is. here are your pics cropped, resized and rehosted : fred.
	DIYEFI.org - TRUE DIY engine management Mazda FE3/FE-DOHC Master Index Thread (work in progress) Mazda truck with FE-DOHC/FE3 "BIG like your house" Holset Turbo drinking 2.2 litres of fuel per minute ~= 385hp crank RIP SleepCounter :-( we will miss you! - RIP fredio54 :-( will we miss you?

9-7-07, 4:41	#49 (permalink)
fredio54 Join Date: Aug 2004 Location: Auckland, New Zealand iTrader: (1)	posted here for prosperity :-) i might have to get hold of a set of those from someone at some stage. a budget 400hp build is possible like this :-) Last edited by fredio54 : 11-15-07 at 17:27.
	DIYEFI.org - TRUE DIY engine management Mazda FE3/FE-DOHC Master Index Thread (work in progress) Mazda truck with FE-DOHC/FE3 "BIG like your house" Holset Turbo drinking 2.2 litres of fuel per minute ~= 385hp crank RIP SleepCounter :-( we will miss you! - RIP fredio54 :-( will we miss you?

9-7-07, 15:19	#51 (permalink)
fredio54 Join Date: Aug 2004 Location: Auckland, New Zealand iTrader: (1)	well, give it a try, but i dont like the chances of it surviving even a hint of bad fuel or bad tune. two things that most mx6.com members feed their engines when they shouldnt...
	DIYEFI.org - TRUE DIY engine management Mazda FE3/FE-DOHC Master Index Thread (work in progress) Mazda truck with FE-DOHC/FE3 "BIG like your house" Holset Turbo drinking 2.2 litres of fuel per minute ~= 385hp crank RIP SleepCounter :-( we will miss you! - RIP fredio54 :-( will we miss you?

9-7-07, 15:57	#53 (permalink)
fredio54 Join Date: Aug 2004 Location: Auckland, New Zealand iTrader: (1)	the ringlands... is why, but if you tune it right... it could be ok :-)
	DIYEFI.org - TRUE DIY engine management Mazda FE3/FE-DOHC Master Index Thread (work in progress) Mazda truck with FE-DOHC/FE3 "BIG like your house" Holset Turbo drinking 2.2 litres of fuel per minute ~= 385hp crank RIP SleepCounter :-( we will miss you! - RIP fredio54 :-( will we miss you?

9-8-07, 11:28	#54 (permalink)
Casejunkie Join Date: Dec 2005 Location: Bavel, The Netherlands Age: 23 iTrader: (1)	Are the ringlands under that big stress that is would be a problem? Would it only a problem under boost or also if you are going for N/A?
	Sorry for my bad english. Wagon: FE-DOHC, dutch fstb, 17" rims, lot's of ice MX-6 GT 4WS: F2T, dutch fstb 17" rims, TWR sideskirts

9-7-07, 4:18	#48 (permalink)
chief tool Join Date: Feb 2006 Location: Sydney, Australia Age: 36 iTrader: (2)	I have some pictures of an NA F2 piston...on the right, on the left is an NA FE SOHC oneIMAGE

9-7-07, 14:33	#50 (permalink)
bakmans Join Date: Mar 2006 Location: uden, holland Age: 26 iTrader: (1)	if you use the stock fe3 cranck those would be nice indeed. but according to my latest calculations with a 2.2 crank and fe3 rods and shaved f2t pistons i get a 8,6 cr. so with a little porting of the head this would also be a good 400 hp cheapass mod! including 200cc extra displacement!

9-7-07, 15:30	#52 (permalink)
bakmans Join Date: Mar 2006 Location: uden, holland Age: 26 iTrader: (1)	why? you dont make the bottom thinner. its just the edges. the dish in the f2t piston is about 9mm deep. and you still have about 4 or 5 mm left till the first ring. and im builing ms !

9-8-07, 19:00	#55 (permalink)
bakmans Join Date: Mar 2006 Location: uden, holland Age: 26 iTrader: (1)	the stress on the ring lands is directly related to torque as this is directly related to the presuere in the combustion chamber. a f2t pushes 400 nm easely ( because of the max hp at verry low rpms deu to the long stroke) so with half the ringlands and have the torqe you can easely push 200 hp at higher rpms with half the amount of stress in the combustion chamber. so absolutely no problem N/A and under boost??? who knows?? im gonna test it for you guys!

11-15-07, 17:32	#57 (permalink)
fredio54 Join Date: Aug 2004 Location: Auckland, New Zealand iTrader: (1)	bump anyone came across an f2 piston to compare with an f2t piston on the same pin as above? even better, CC it? fred.
	DIYEFI.org - TRUE DIY engine management Mazda FE3/FE-DOHC Master Index Thread (work in progress) Mazda truck with FE-DOHC/FE3 "BIG like your house" Holset Turbo drinking 2.2 litres of fuel per minute ~= 385hp crank RIP SleepCounter :-( we will miss you! - RIP fredio54 :-( will we miss you?

11-16-07, 3:27	#59 (permalink)
fredio54 Join Date: Aug 2004 Location: Auckland, New Zealand iTrader: (1)	10:1 in a 86mm stroke with stock dohc chamber. kia is about 9.2 or so. higher with longer stroke. should be able to pick some up for cheap. i recylced 8 of them :-) (literally, for ally scrap) any chance of a dx > gt on one pin photo shoot? and CCing of the dx/lx ?
	DIYEFI.org - TRUE DIY engine management Mazda FE3/FE-DOHC Master Index Thread (work in progress) Mazda truck with FE-DOHC/FE3 "BIG like your house" Holset Turbo drinking 2.2 litres of fuel per minute ~= 385hp crank RIP SleepCounter :-( we will miss you! - RIP fredio54 :-( will we miss you?

11-16-07, 3:58	#60 (permalink)
chief tool Join Date: Feb 2006 Location: Sydney, Australia Age: 36 iTrader: (2)	I'll see if I can get you some CC figures for the NA F2 one over the w/e. Apologies, I said I was going to do it back in sep, but things really got out of hand time wise. Unfortunately the only F2T ones I own, are needed to make my car go at the moment.