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Japanese AST Delete MOD?

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Old 11-21-11, 11:19 PM
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Rats nest has all the solenoids and vacuum hoses attached. All of this is required to run the stock twin sequential.

The series 7/8 rats nest, coil bracket,soleniod system is totally different and can not be ran with an 8 bit harness and ecu..

You will need all the parts listed and most likely other stuff I have over looked..

There are simply a bunch of key componets that are different that will need to be changed in order to run that engine in a USDM chassis..

Can it be done= yes

will it be cheap= no

you would be better off with a series 6 jspec engine...sure the series 7/8 is a better engine with upgrades but you need the correct supporting series 6 stuff to make it run

Last edited by Japan2LA; 11-21-11 at 11:21 PM.
Old 11-21-11, 11:55 PM
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Good luck on the Knightsports adapter.. that may be hard to get.. I looked thru my catalog and did not see it there.. You will have to contact them and see if they still sell/make it..
2010 cat,, page 20 of 44,, 16 bit ( type 4 ) ecu options and 16 bit to 8 bit harness conversion ( type 4 ecu to type 3 loom )
Old 11-22-11, 11:28 AM
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Originally Posted by bumpstart
2010 cat,, page 20 of 44,, 16 bit ( type 4 ) ecu options and 16 bit to 8 bit harness conversion ( type 4 ecu to type 3 loom )
My catalog is from 2006 haha..


Maybe you can scan the page from your 2010 catalog and post it in this thread?
Old 11-22-11, 02:38 PM
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Originally Posted by Japan2LA
My catalog is from 2006 haha..


Maybe you can scan the page from your 2010 catalog and post it in this thread?

In the long run it may not be worth it like you said hte 16bit power FC will not have the same tunes , as the 8bit that is commonly used here . prob different in other aspects so even tuning the whole thing will be foreign territory .

but hell if the extension is cheap ( i doubt it ) and I canfind a power FC for my year. engine .. hell why not!

could you tell by that code what year its from? if its 99-02 , or 96-98 ?
Old 11-22-11, 08:01 PM
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Originally Posted by Japan2LA
Rats nest has all the solenoids and vacuum hoses attached. All of this is required to run the stock twin sequential.

The series 7/8 rats nest, coil bracket,soleniod system is totally different and can not be ran with an 8 bit harness and ecu..

You will need all the parts listed and most likely other stuff I have over looked..

There are simply a bunch of key componets that are different that will need to be changed in order to run that engine in a USDM chassis..

Can it be done= yes

will it be cheap= no

you would be better off with a series 6 jspec engine...sure the series 7/8 is a better engine with upgrades but you need the correct supporting series 6 stuff to make it run


OK!! so dont know how to take this but well , the series 7 engine still uses the same rats nest as the series 6 , but the 8 is when they upgraded the rats nest to the one with the improved rats nest . how can I tell if my engine is series 7 or 8 ?

and if the rats nest is the same is it just hte map sensor , and harness that I need to buy?
Old 11-22-11, 08:04 PM
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Originally Posted by Tem120
OK!! so dont know how to take this but well , the series 7 engine still uses the same rats nest as the series 6 , but the 8 is when they upgraded the rats nest to the one with the improved rats nest . how can I tell if my engine is series 7 or 8 ?

and if the rats nest is the same is it just hte map sensor , and harness that I need to buy?
Sorry, this is not true
Old 11-22-11, 08:08 PM
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Post more pics of the engine.. If I see pics I can tell you if its 7 or 8

Either way if will have the simplified vacuum rack

And yes, get the adapter( if there really is one) and you can run it lik it is..

The downfall to this^

When you need series 7/8 parts where are you going to find them?

Say the engine harness goes bad on you later down the road?? You will have to have a 16bit harness which will be hard to get...
Old 11-22-11, 08:20 PM
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Originally Posted by Japan2LA
Post more pics of the engine.. If I see pics I can tell you if its 7 or 8

Either way if will have the simplified vacuum rack

And yes, get the adapter( if there really is one) and you can run it lik it is..

The downfall to this^

When you need series 7/8 parts where are you going to find them?

Say the engine harness goes bad on you later down the road?? You will have to have a 16bit harness which will be hard to get...
yeah plus the harness I have now is missing a couple plugs , already where am I going to find them? its not worth it .. I was offered 50 bucks to return the harness I think I'm going to take that cut my losses and just revert it back to series 6 . if it is the simplified rats nest like you say . then well i guess i'll just need to get one of those as well ..or going none sequential haha .. but honestly i would rather go sequential ..



Last edited by Tem120; 11-22-11 at 08:23 PM.
Old 11-22-11, 08:37 PM
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Series 7

97-98

and yes it has the simplified rats nest and yes, its OBD II 16Bit

Did you confirm compression?
Old 11-22-11, 08:50 PM
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Originally Posted by Japan2LA
Series 7

97-98

and yes it has the simplified rats nest and yes, its OBD II 16Bit

Did you confirm compression?
no I have not , no plugs to well plug the wholes up , would any regular ol spark plug work to cover the hole and just pour some oil to lubricate ? then go at it ?
Old 11-22-11, 08:52 PM
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No. Get NGK BUR9EQ(P) and/or BUR7EQ(P).
Old 11-22-11, 08:58 PM
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The engine was shipped to you without spark plugs in it?

^ I would be more concerned about this...

Listen to Rich, you can damge the engine if you install the wrong spark plugs

Last edited by Japan2LA; 11-22-11 at 09:00 PM.
Old 11-22-11, 09:07 PM
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Dr. Galloway brings up a good point, pray there is no water in the engine.
Old 11-22-11, 09:12 PM
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Originally Posted by GoodfellaFD3S
No. Get NGK BUR9EQ(P) and/or BUR7EQ(P).
No auto parts store has them so I had to order them they get here on monday because of the long weekend .
Old 11-22-11, 09:15 PM
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No spark plugs and it looks like they pressure washed the engine..
^ this is a VERY bad sign...
Old 11-22-11, 09:21 PM
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Originally Posted by GoodfellaFD3S
Dr. Galloway brings up a good point, pray there is no water in the engine.
yeah .. this has all been hell to be honest.. I have half a mind to just put a lawyer on the case and tell them to snuff the engine . wrong engine wrong year , wrong harness , no sparkplugs .

I put oil into the engine and turned it a bit when I got it .
Old 11-22-11, 09:52 PM
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Save your lawyer for a lawsuit that you can win. You made a mistake, suck it up and move on. You're stuck with that motor.
Old 11-22-11, 10:03 PM
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Originally Posted by GoodfellaFD3S
Save your lawyer for a lawsuit that you can win. You made a mistake, suck it up and move on. You're stuck with that motor.
well .. LoL I technically have a case . its jsut weather its worth it or not haha ..

the invoice says its a 92-95 13b twin turbo , I recieved a 96-98 engine instead .


the leading plugs the ones with the 7 , will arrive on friday...

Now I didn't really give a compression test tomuch priority because everyone says its not accurate . unless the engine is warmed up and freshly lubricated ..

if I can somehow test the compression when my plugs arrive I will do that asap.. the FAQ about compression testing says to remove the trailing which will arrive on Monday so no issues removing them. I can put the leading plugs on on Friday and give it a spin , BUT is there any other prep I can do to get a more accurate reading ? I'm seriously hoping atleast hte compression is good if thats good I can deal with everything else but if thats bad .. I'll pay the shipping and tell them to give me the correct year engine . as paid for ..

BTW reguardless if the engine is blown or what ever happens I have to say .. you have no idea how thankful I am to have your guy's help and advice .. and if it counts for anything I really do feel stupid and regret immensely not just buying an engine from you .. yeah this engine was 600 dollars cheaper .. but 600 dollars isnt worth the headaches and stress I've gone through because of it .. I seriously apologize.. for being an idiot ..

Last edited by Tem120; 11-22-11 at 10:06 PM.
Old 11-23-11, 02:10 PM
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I did a quick search and didn't get much on this .. http://www.banzai-racing.com/vacuum_...eplacement.htm

Simplified Vacume lines from banzai Racing . Now is this a diagram of the newer rats nest ? or is this a method to simplify the series 6 rats nest? anyone know?

thanks
Old 11-24-11, 08:11 AM
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Originally Posted by Tem120
I did a quick search and didn't get much on this .. http://www.banzai-racing.com/vacuum_...eplacement.htm

Simplified Vacume lines from banzai Racing . Now is this a diagram of the newer rats nest ? or is this a method to simplify the series 6 rats nest? anyone know?

thanks
Series 6
Old 02-17-13, 05:44 PM
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I have a s7 13b rew j spec motor and I need to buy a map sensor will a s6 map sensor work?
Old 02-17-13, 07:10 PM
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That engine is from a JDM Series 7, and it hasnt run in a while, judging from the amount of surface rust on the serpentine belt pulleys. And if it hasnt had any plugs in it (sat with the combustion chambers open) I wouldnt be expecting a good healthy runner.

Under the UIM, instead of a rats nest of hoses, you should see a large black plastic block with the hoses and solenoids built into it. This block is able to be disassembled (I have a few sitting here, they do come apart).

The term "simplified sequential you hear Banzai and other talking about, does not equate to this engine. They are just talking about simplifying the rats nest of a 1992-1995 US engine by removing hoses, etc.
This engine doesnt have a 'rats nest' to simplify, and if its a JDM, it wont have a pre-cat either.
My FD is 1992 JDM, and I have JDM 1992, 1995, 97 and 99 cars in various states of disrepair.

You originally asked where is the AST, well its not on that engine because it doesnt attach to the engine. It bolts in the frontal section of the engine bay, on the side of the stock intercooler, near the battery if I remember the bolting correctly. It is a black squarish tank with a silver cap, and hose off the side of the cap neck. If you dont have an AST in your car, there wont be one on any engine you buy either. You'll have to source one.
All Jap-spec FDs had an AST. JDM/USDM/Euro, there was no Japanese trickery or alternative version.

You could strip everything off this engine and lay your USDM engine loom and accessories onto it, then push the ECU loom end through the firewall, and you're good. But looking at the rusty pulleys and having had no spark plugs fitted and having likely sat in Japan for a long time, it may not run well. I'd just keep it as an expensive lesson and a source of engine accessory spares, plus a core engine to rebuild at some stage later..?
Old 02-18-13, 08:07 AM
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Originally Posted by SA3R
That engine is from a JDM Series 7, and it hasnt run in a while, judging from the amount of surface rust on the serpentine belt pulleys. And if it hasnt had any plugs in it (sat with the combustion chambers open) I wouldnt be expecting a good healthy runner.

Under the UIM, instead of a rats nest of hoses, you should see a large black plastic block with the hoses and solenoids built into it. This block is able to be disassembled (I have a few sitting here, they do come apart).

The term "simplified sequential you hear Banzai and other talking about, does not equate to this engine. They are just talking about simplifying the rats nest of a 1992-1995 US engine by removing hoses, etc.
This engine doesnt have a 'rats nest' to simplify, and if its a JDM, it wont have a pre-cat either.
My FD is 1992 JDM, and I have JDM 1992, 1995, 97 and 99 cars in various states of disrepair.

You originally asked where is the AST, well its not on that engine because it doesnt attach to the engine. It bolts in the frontal section of the engine bay, on the side of the stock intercooler, near the battery if I remember the bolting correctly. It is a black squarish tank with a silver cap, and hose off the side of the cap neck. If you dont have an AST in your car, there wont be one on any engine you buy either. You'll have to source one.
All Jap-spec FDs had an AST. JDM/USDM/Euro, there was no Japanese trickery or alternative version.

You could strip everything off this engine and lay your USDM engine loom and accessories onto it, then push the ECU loom end through the firewall, and you're good. But looking at the rusty pulleys and having had no spark plugs fitted and having likely sat in Japan for a long time, it may not run well. I'd just keep it as an expensive lesson and a source of engine accessory spares, plus a core engine to rebuild at some stage later..?
Engine was blown. Managed to Return it to them since they sent me the wrong year motor , at a 500 Dollar fee .
Old 02-18-13, 10:42 AM
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Originally Posted by Brianben
I have a s7 13b rew j spec motor and I need to buy a map sensor will a s6 map sensor work?

Its getting confusing with all the s5 s6 etc but i will tell you this : I have installed a 99-02 map sensor to my engine which is controlled by an 8 bit pfc and it runs like a champ.In other words if an earlier map sensor works to an older engine i dont see why the opposite couldn't work.Just stay at stock boost levels...
Old 02-18-13, 01:18 PM
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Originally Posted by EFS.O
Its getting confusing with all the s5 s6 etc but i will tell you this : I have installed a 99-02 map sensor to my engine which is controlled by an 8 bit pfc and it runs like a champ.In other words if an earlier map sensor works to an older engine i dont see why the opposite couldn't work.Just stay at stock boost levels...
you can run a GM mapsensor with the PFC , but I dont think the GM mapsensor would work on the stock ECU . I'm very uneducated on this subject . so I wont say it would or would not LOL . ,


But I am curious howmuch did that mapsensor cost? why did you get the series 8 map isntead of a GM sensor ? any reason
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