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Discussion Starter #1 (Edited)
These are some pictures from the original teardown.

By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28


By lundgren420000 at 2008-07-28

So I picked up my short block from the machinest and thought i would post a few pics for today and will post more on Monday.

By lundgren420000, shot with HP Photosmart E427 at 2007-11-10

By lundgren420000, shot with HP Photosmart E427 at 2007-11-10

By lundgren420000, shot with HP Photosmart E427 at 2007-11-10
fell free to drool now.:jump:
 

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Hey Man,

Great to see that the project is going good.
So it is gonna be a 2.2 Turbo DOHC right?

Question:
Do you still have the parts from the F8-DOHC?
Pistons , crankshaft etc ...

I think I might need that soon.

Peace
NSXR
 

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Discussion Starter #11 (Edited)
you will find this funny

this is the factory d16A6 piston and rod vs factory f8-dohc piston and rod
the diffrence in displacement is .2L and the honda engine is rated at 112hp and the f8 is 115 so why are the rods soooooooo mutch thickre and stronger because in the effort to increase their fuel economey by reducing the rotating mass weight they made a really weak bottom end. My reason behind my saying HONDAs SUCK.

By lundgren420000, shot with HP Photosmart E427 at 2007-11-12

By lundgren420000, shot with HP Photosmart E427 at 2007-11-12

By lundgren420000, shot with HP Photosmart E427 at 2007-11-12

By lundgren420000, shot with HP Photosmart E427 at 2007-11-12
 

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honda doesnt suck, the d engines are transport solutions and nothing more. mazda chose back then to over engineer its machines. honda were just ahead of the game.

dont confuse a bunch of idiots driving around rice in an arrogant manor with the car company being crap. because its not.

in essence, a manufacturer that provides you with significant margins for heavy mods (strong drivetrains, big rods, large journals etc) has failed in its first intent to do well in the market it was trying to compete in.

pencil rods are a good thing at high rpm with NA loads.
 

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Discussion Starter #13
Sorry, let me resate.

i have just seen a lot of snaped honda rods in the past and figured it was a solution to fuel eficency but "kids" with rice on the brain dont think to build an engine for performance instead of using one that just revs to 8500. So i have a problem with the HONDA "kids" not the company its self. Thanks for putting me in my place Fred.
 

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sorry man :)

i have a strong dislike with a lot of honda kids too, and we dont even have that many in nz. there is a definite arrogance from certain car groups with regards their cars being way better than all others. i dont like it from any of them. i like nissans, hondas (well, their engines, and the s2k anyway) toyotas, mazdas, and aircooled vws. i'd be partial to other stuff too if it wasnt for various things that make them unaccepatble to me, like excessive cost to performance ratio etc.

you could say that mazda kids dont think too much about their engines often either.

you couldnt count on your fingers and toes the f2ts that have been killed on this site with the "turn up the boost bro, it'll be sweet" mentality. rods didnt fail, but headgaskets and pistons frequently did.

anyway, sorry for being a bit blunt with it.

glad you took it well!

fred.
 

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Discussion Starter #16
ill have to get back to you on that :shrug:
the numbers on the honda shouldn't be hard but the f8 is a little trickey
NSXR do you still have the f8#'s
 

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Discussion Starter #17
I had the engine code wrong for the honda rod

D16A1
  • Found in:
      • 1986-89 Acura Integra (USA)
      • Displacement : 1590 cm³
      • Bore and Stroke : 75 mm X 90 mm
      • 1986-1987 Compression : 9.3:1 1988-1989 Compression : 9.5: 1
      • 1986-1987 Power : 115 hp (86 kW) @ 5600 rpm 1988-1989 Power : 105 hp (78 kW) @ 5600 rpm
      • 1986-1987 Torque : 100 ft·lbf @ 3500 rpm 1988-1989 Torque: 95 ft·lbf @ 3500 rpm
      • Valvetrain : DOHC
      • Fuel Control : OBD-0 MPFI
 

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The F8 DOHC to me reeks of an after thought by mazda....

It seems more like a cut down FE3....they look as though they made it as cheaply as possible, trying to change as fewer parts as possible from the FE3.

It may have had something to do with Japanese taxation laws where tax is proportional to engine size.

I dont think the F8 DOHC was ever meant to be a main stream engine like the honda one, but rather one for the cheapskate / low volume end of the market.

They probably would have quite happily used an F6/ F8 SOHC, but maybe they had trouble getting it past JDM emission laws at the time.
 

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they look as though they made it as cheaply as possible, trying to change as fewer parts as possible from the FE3.
thats the case with almost all automotive stuff. why not destroke it? how is it any less good than say a bp?

It may have had something to do with Japanese taxation laws where tax is proportional to engine size.
quite probably.

I dont think the F8 DOHC was ever meant to be a main stream engine like the honda one, but rather one for the cheapskate / low volume end of the market.
why not? they've produced many thousands of them like everything else. they certainly arent for the cheapskates. there were sohc ones available along side at the same time.

They probably would have quite happily used an F6/ F8 SOHC, but maybe they had trouble getting it past JDM emission laws at the time.
as far as i know the f6 is only available in the b1600. do you know of other apps? as stated f8 and fe sohc were available out of japan at the same time.

Mazda Capella 1989 (used, imported, new): pics, specs, performance

note the f8 sohc, f8 dohc, fe dohc, b6. the trans used for the b6 would have supported a bp too, and they could have stuck it in with zero hassle.

why they didnt i know, but having a short stroke big bore f8 is going to be smoother than a small bore long stroke bp. maybe it was nvh ?

fred.
 

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I was just trying to say the honda one was a bit more purpose designed / built than the twin cam F8

Ahhh the F6 what an ugly duckling motor....they were an option on the GC in japan, south africa and europe....

I bought one from an import wrecker a few years back as a desperation motor..My GC was up for rego and it was burning more oil than petrol...i didnt have time for a rebuild, so I bought the cheapest thing that I could find that would make the car run...in a GC coupe, it wouldnt pull the skin off a rice pudding! It ended up being in the car for 3 years, when It was only meant to last a few weeks (long story) I tried all sorts of things to make it go better (all the usual NA tricks) no avail...I did advance the cam a bit, it shifted the torque down a bit to make it more driveable!

Apologies for getting off topic.
 
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