98+ 5sfe block

Q&A regarding engines, turbos, and intercoolers and power upgrades

Re: 98+ 5sfe block

Postby built2run » Tue Nov 26, 2013 8:20 pm

Damn back to the books again. Hold on a bit
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Re: 98+ 5sfe block

Postby built2run » Tue Nov 26, 2013 8:53 pm

Okay maybe I'm just not explaining myself well, look at it this way a 4mm offset grind will leave the rod at the same height basically as the stock rod at tdc but at bdc will be 4mm lower. Hence the total gained stroke of 4mm and you can probably pull off the extra .1 mm and have the stroke be 95mm flat making it a 2311cc
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Re: 98+ 5sfe block

Postby MWP » Sun Dec 01, 2013 12:18 am

Yeah, you are right.
I missed the fact that doing a offset grind to take a 54mm big end down to 50mm only shifts the center by two 2mm... not 4mm.
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Re: 98+ 5sfe block

Postby ___Scott___ » Sun Dec 01, 2013 1:58 am

As usual, I'm late to the thread but here's a simple drawing to illustrate the offset grind of a 5S crank to be used with a 3S rod:
Image

As a daily driver, at higher altitudes, the 3S could really use more torque. An offset grind seemed like an easy way to get there until I started adding in the cost of pistons with a higher pin height. For the minimal gain at the substantial cost, I decided to live with the 3S as is.
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Re: 98+ 5sfe block

Postby MWP » Sun Dec 01, 2013 5:26 am

CP will make a custom piston for not much more than normal.
Someone also mentioned a Supra rod (1JZ im guessing) might be suitable as it has 50mm big ends.
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Re: 98+ 5sfe block

Postby zero06 » Sun Dec 01, 2013 11:00 am

once again, and as always this got out of hand. :roll:
I was looking for the actual differences between the Pre 98 blocks and the 98+ blocks. what needs to be done to mount our 3s accessories (ps pump/ac comp) to a post 98 block. I am also under the impression that there is a bracket from tranny to block that needs to be tapped as well as some grinding on the casting by the center diff.

I don't want to offend anybody but I don't care what you heard, read or think you know. or who knows what about the concept of stroking for that matter.
I want real answers here from people who have had the two blocks infront of them, what is Identical to the 3s, and what is different.

also some info on the oiling system differences (tappings ect) would also be appretiated

STAY ON TOPIC :shoots:
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Re: 98+ 5sfe block

Postby built2run » Sun Dec 01, 2013 8:35 pm

The differences from the pre-98 to the post 98 or minimal When talking about their accessories and their placement the main difference is the block casting updates that make it more resistant to damage over high mileage and in our case make it handle even more power.
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Re: 98+ 5sfe block

Postby built2run » Sun Dec 01, 2013 8:39 pm

Not trying to bash anyone here either. There is nothing I think I know. I know from working on these cars for a long time. I was the engine builder for a good while at garage CRW and part owner at vendetta performance. And yes what I was saying maybe wasn't clear because of the way I type but it's factual. And like I said externally as far as where things are placed the 3s and 5S-FE are almost identical.
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Re: 98+ 5sfe block

Postby built2run » Sun Dec 01, 2013 8:44 pm

On the 5S-FE there is no turbo oil supply drilled through obviously. And no oil squirters. As far as oiling in the block itself that's all. The pump though is slightly better largely due to a smaller drive gear that causes it to spin faster.
"straight lines r 4 fast cars, turns r 4 fast drivers" Colin McRae.
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Re: 98+ 5sfe block

Postby MWP » Mon Dec 02, 2013 2:25 am

zero06 wrote:I don't want to offend anybody but I don't care what you heard, read or think you know. or who knows what about the concept of stroking for that matter.
I want real answers here from people who have had the two blocks infront of them, what is Identical to the 3s, and what is different.

STAY ON TOPIC :shoots:


:withstupid:

This is a public forum, we'll discuss what we like.
You certainly have no ownership of this thread, especially since you haven't posted in here for quite a while.

Ive had a gen2, gen3, pre 98 5S, and three 98+ 5S blocks together, examined them, and built the best engine i could using parts from all three.
Im not giving you any info after your little rant now though.

If you want info that accurate, how can you trust any anon person on the internet. Youll have to do some work yourself.
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Re: 98+ 5sfe block

Postby built2run » Mon Dec 02, 2013 4:17 am

Well said too bad I can't go back and delete some info I posted :/
"straight lines r 4 fast cars, turns r 4 fast drivers" Colin McRae.
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ST165, white: rear ended by ass hat
ST165, white: sold to friend
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Re: 98+ 5sfe block

Postby underscore » Tue Dec 03, 2013 2:17 am

You should be able to edit the posts if nothing else.
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Re: 98+ 5sfe block

Postby zero06 » Wed Dec 04, 2013 12:52 am

http://youtu.be/j2zlPNGuPbw

Well I did start this thread and I asked a specific set of questions about the 5s blocks. maybe to put out useful info on something you can't currently find on the forum. There are several threads on Stroke. If the answer is the differences are "minimal" in an engine bay where 3/8" clearance can make a huge difference maybe some light should be set on the subject.

I didn't ask for word of mouth, but for info. Maybe someone has diagrams, pictures, measurements laying around from when they did their project. Once upon a time we had guys here who gave amazing solid info.

And if you want to claim that you are sooper reputable and that you have info but want to "keep it to yourself" (no one is going to believe you or care :bs: ) and you aren't helping the alltrac community or discussion so why post at all.? :shrug:

Seems childish to me.
We're all enthusiasts with an oddball car and little to no aftermarket support. Shouldn't we be supporting each other?

Go ahead flame on, I'll be in the garage fabbing some cool stuff while e-thugs on alltrac.net spit their game
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Re: 98+ 5sfe block

Postby built2run » Wed Dec 04, 2013 5:57 am

Okay well ther are several people here who know a lot. And honestly you don't need to be acting the way you are. I'm clarifying things for those who asked. And no swap yet has had a 10mm clearance be the deciding factor yet that has come to me, I don't do projects anymore. I do builds or swaps or both, sorry if your unhappy with things that have been said here on your post but assuming the world is stupid then asking for info is asinine. The difference isn't in external size FYI it's dowel pin placement and bolt hole placement on only a couple little bits. Your fishing for more info than there is. The blocks externally are identical with some dowel pins not there and no provision for oil supply to turbo. That's it. So with that your question should be answered and we can all continue the discussion to make a possible 2.4 3S-GTE

Again this is a forum, meant for discussions.
"straight lines r 4 fast cars, turns r 4 fast drivers" Colin McRae.
ST165, black: parted and gone
ST165, white: rear ended by ass hat
ST165, white: sold to friend
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Re: 98+ 5sfe block

Postby built2run » Wed Dec 04, 2013 6:03 am

So... If we can make a 98mm crank fit with 3S-GTE rods and 3mm higher piston pin boss that would put it at 2384cc, effectively a 2.4. And I do think there is room for 3mm if memory serves.
"straight lines r 4 fast cars, turns r 4 fast drivers" Colin McRae.
ST165, black: parted and gone
ST165, white: rear ended by ass hat
ST165, white: sold to friend
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