JDM 7MGE swap

[guspeed]

I saw on Osaka website and they have the 7MGE motor for $400.00 My car right now has 198,000k miles and I was thinking of doing a swap.

How easy is the swap? Do I need anything for the swap or is it a direct bolt on and start? Any other info or detail relating to this would be greatful

Thank you for your help!

 

[88TARGATOP]

i got a jdm 7mge motor, bhg, arptuds, 35k miles? if interseted pm me... ill sell it cheap!!!

 

[guspeed]

You said it has a BHG? What do I need to do to get it running? And how much is cheap? You said it was JDM? How did it get the BHG?

Thanks! Also shipping would be to Seattle, WA. How much is it total with shipping to Seattle, WA?

 

[jazzsaxman1988]

You said it has a BHG? What do I need to do to get it running? And how much is cheap? You said it was JDM? How did it get the BHG?

Thanks! Also shipping would be to Seattle, WA. How much is it total with shipping to Seattle, WA?

To fix a bhg, you need to pull the head off and scrape all the old gasket off of both surfaces and put a new one one. Preferrably a metal one, that way you have fewer problems with it. The only major problem you could run into is if the head and the block need to be machined. Not sure of prices for that, but it isn't cheap. JDM's are basically bolt-ons. The only thing you need to watch out for is whether it is a Supra JDM or a Cressida JDM. I got a Cressida JDM... the differences are in the fuel system, the coolant system, the oil pan, and some of the sensors. Other than that, they're the same. I just finished up a JDM swap- if you have any questions, feel free to PM me. Or just post on here. You'll get lots of knowledgable answers that way.

 

[SupraDerk]

A metal headgasket might be a little overkill on a GE unless you anticipate going NA-T at some point in the future or raising the compression of the NA engine. Even then unless you plan on going past stock boost levels a stock turbo headgasket will do. It might actually cause more problems than it's worth getting the head and block machined, paying for that, then paying for the MHG rather than just dropping in either a cometic or stock one.

You might wanna clean up the block while you have it exposed to. Check the pistons, rings and associated things and just see what kind of condition it's all in. Just my $.02

-Derek

 

[guspeed]

so if I got the stock n/a head gasket, I can put that on without getting the head and block shave? that is awesome!!

 

[SupraDerk]

If it were me personally, I wouldn't buy an engine with a BHG unless you just want something to do....unless it was either given to me or given to me VERY cheap. But I am 99% sure you could just drop in a stock HG and wouldn't have to have anything machined. It really depends on the condition of the block and head though, check them out...you might have cracks in the block (in which case it's done and you're looking for a block again or new engine) or the head might be crap and you might have to fix that. Too much stuff can be wrong with it. If I am incorrect someone please correct me.

ALSO if you decide to buy one with BHG or not, when you get a good to go engine I would advise you to invest in some ARP head bolts or head studs, whichever you prefer, and then torque them past Toyota specs, I forgot what it is exactly, search on here. But this would be one of the main reasons lots of 7M's get the BHG.

Moral of the story...search search and do some more searching. Read up on this stuff so you know exactly what you're getting yourself into.

http://www.supramania.com/forums/search.php

I have shown you the path...now it's up to you which way you go! :bigthumb:

-Derek

 

[jazzsaxman1988]

The reason why you'd need to get the head and block machined is if the surfaces are not perfectly flat. The problem is that you don't know what caused the hg to blow. If it happened because of intense heat, it's very possible that the head expanded and warped, and is now not a perfect surface. So, you run the risk of the surfaces not meeting correctly, and it'll end up getting messed up.

 

[SupraDerk]

The reason why you'd need to get the head and block machined is if the surfaces are not perfectly flat.

That's a HUGE problem for a MHG, with either cometic or stock you have some room to play with with the two surfaces not being perfectly flat. In any event, buying an engine that you know has a BHG is a bad buy in my book especially if you don't know the history of the engine...wayyyy too much of a risk. You may get it for cheap but the bill in repairing it might go through the roof...quickly!

-Derek

 

[rot 90na-t]

i went jdm ge a few years ago, engine developed a rod knock after about 12000 miles... how fucked was that! now goin gte... but i would definitely spend the little extra money and get a mhg.. you'll probably want either new toyota head bolts or some arp ware.. or u may wish u did l8r on..

 

[guspeed]

the motor is from osaka and i don't think it has a bgh. i think my car may have one and i was thinking of getting a motor from osaka to swap in place of my perhaps bgh motor.

sorry for the confusing.

how much more or worth it to do the gte instead?

 

[PROJECT N00b]

whats so good about the jdm motor anyways? isnt it the same thing, hp wise?

 

[1TuffSupra]

there is nothing special about the jdm motors. The only positive to them though, is that they are supposedly low mileage motors.

If you get a GTE you can expect to spend somewhere around 1000 just for the motor (and you can add 150-300 for shipping), then you have to buy all the electronics in order to run it, dp, intake, ic piping, etc. Expect to spend around 2grand + to get it all done, and that is if you do all the work yourself.

And man, if you got rod knock after 12,000 miles I highly doubt it was the motor itself that was fubared (did you change out the oil pump before you installed the motor?) It was probably OHS that lead to its failure.

 

[Superjustin13]

I bought a Jdm Motor for my supra due to my block having ALot of cracks in it! thanks machinest only bored it out and then resurfaced it and had some bad news! YAY. But I bought the motor, replaced the seals and Gaskets, they seals were hard as hell, i looked at some bearings, they had some Color in them but in good condition, Didnt Change the hg hasnt blown yet, had it a year+, I personally will never buy a Jdm Motor and actually Run it if your wanting a more Reliable motor, IMO Jdm motors are motors out of the junk yards, go to your local Junk yard and get it. there Practically Mystery motors.

IMO Build your motor.