Closed-deck FA20 ready to be dropped in !! - Page 4 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Calum · 03-11-2016, 05:54 PM

Considering how bad the factory rockers are, I don't think you could do worse.

R2RO · 03-25-2016, 06:36 AM

My FR-S will be going under the knife in two weeks, I'm going have I think the 4th or 5th closed deck once its finished at Outfront Motorsports. Thanks for posting this, it helped me find the perfect engine builder in my area.

SPCorBUST · 05-20-2016, 10:07 PM

Is there any reason to update to a closed deck sub 500hp?

Irace86 · 05-21-2016, 10:45 AM

Quote:

Originally Posted by SPCorBUST

Is there any reason to update to a closed deck sub 500hp?

Adding to that...

Maybe I missed the answer that was said already, but why do this? Is this stronger than sleeves, for different setups than sleeves, necessary for certain hp goals, the weak link in this motor?

SPCorBUST · 05-21-2016, 12:02 PM

Quote:

Originally Posted by Irace86

Adding to that...

Maybe I missed the answer that was said already, but why do this? Is this stronger than sleeves, for different setups than sleeves, necessary for certain hp goals, the weak link in this motor?

Not saying it's the only reason, but besides supporting higher horsepower I've heard that sleeves have a tendency to drop.

Sent from my SM-G925T using Tapatalk

SPCorBUST · 07-08-2016, 08:11 PM

Any updates?

cdrazic93 · 07-08-2016, 10:10 PM

Quote:

Originally Posted by Irace86

Adding to that...

Maybe I missed the answer that was said already, but why do this? Is this stronger than sleeves, for different setups than sleeves, necessary for certain hp goals, the weak link in this motor?

Different way to add strength. Semi closed, closed, sleeved would all help block strength. Sleeved is probably cheapest, idk the price difference between semi closed and closed though.

Theres pros and cons to each style.

Irace86 · 07-08-2016, 10:16 PM

Quote:

Originally Posted by cdrazic93

Different way to add strength. Semi closed, closed, sleeved would all help block strength. Sleeved is probably cheapest, idk the price difference between semi closed and closed though.

Theres pros and cons to each style.

Is the combustion chamber a weak point?

cdrazic93 · 07-08-2016, 10:19 PM

Quote:

Originally Posted by Irace86

Is the combustion chamber a weak point?

No, but going tripple crank hp will cause insane amounts of stress, so its preventative measure.

Nigelr32 · 12-31-2016, 10:17 AM

Any updates on this process of closed deck FA20's??

I wonder if the cylinders get "pushed over" at all by the pressing in process?

Scrappydoo · 12-31-2016, 12:20 PM

Quote:

Originally Posted by humfrz

For sure .......and here the ones that came later think they "invented" something ........

The 1908, Model "T" block (shown below) looks pretty much "closed" to me .......

Also, the Model "A" block was "closed" (except on the ends).

humfrz

Best it's closed since it's a side valve

humfrz · 12-31-2016, 02:04 PM

Quote:

Originally Posted by Scrappydoo

Best it's closed since it's a side valve

Side valve ........??

Oh, I suppose you would be correct, if the engine was laying on its side .....

But, most of the time, the Model T drivers tried to keep the "shiny side up" .....

humfrz

Ultramaroon · 12-31-2016, 03:28 PM

Quote:

Originally Posted by humfrz

Side valve ........??

Oh, I suppose you would be correct, if the engine was laying on its side .....

But, most of the time, the Model T drivers tried to keep the "shiny side up" .....

Side valve like a lawnmower engine. Cutting edge technology.

humfrz · 12-31-2016, 06:48 PM

Quote:

Originally Posted by Ultramaroon

Side valve like a lawnmower engine. Cutting edge technology.

Ultramaroon, back-in-the-day, ...... mowing his estate's lawn ......

humfrz

03-25-2016, 06:36 AM	#44
R2RO Senior Member Join Date: Jun 2012 Drives: 2013 FR-S, 2013 FR-S(2JZ Build) Location: Palmdale, CA Posts: 807 Thanks: 1,711 Thanked 432 Times in 242 Posts Mentioned: 6 Post(s)	My FR-S will be going under the knife in two weeks, I'm going have I think the 4th or 5th closed deck once its finished at Outfront Motorsports. Thanks for posting this, it helped me find the perfect engine builder in my area. __________________ Check out my 86 build http://www.ft86club.com/forums/showthread.php?t=13357

12-31-2016, 10:17 AM	#52
Nigelr32 Senior Member Join Date: Oct 2014 Drives: '14 GT86 project, '13 GT86 DD Location: UK Posts: 249 Thanks: 99 Thanked 263 Times in 100 Posts Mentioned: 4 Post(s)	Any updates on this process of closed deck FA20's?? I wonder if the cylinders get "pushed over" at all by the pressing in process? __________________ Nige '14 GT86, '13 GT86 Build :http://www.ft86club.com/forums/showthread.php?t=75794

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03-11-2016, 05:54 PM	#43
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