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 Motor To Fit Sigma....? - What motors would fit??  

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Dilze
  • Dilze
  • Rice??
  • Member No.: 12,898
  • Joined: 5-October 04
  • Posts: 374
  • From: Lismore N.S.W
Post #1 post 14th February 2005 - 05:37 AM
hey ppl... i got a 83 sigma wagon.... lookin to buy a new motor for it??

not wanting to spend to much..?

But jsut wondering.... what kinda motor's would fit it???
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RA-28
Post #2

I just did a quick google search for 'sigma engine conversion' and found a whole bunch. The V6 VN Commodore conversion would be relatively cheap, since almost any wrecker has a few hundred of them lying around...

Moral of the story, try google. Someone here may have the answer, but have a look yourself too!

Nick81xd
Post #3

1jz fits in them
look through the members ride there is a GH sigma wit a supra motor its awesome

Or get a magna injection head and fit it to the 4g54

`nigno
Post #4

2.6L Mitsubishi Astron Engine
2.0L Sigma Turbo Engine

heaps of shit man... whats your budget and what do you want/need

you after performance, or just a reliable replacement engine for a run around car ???

Nick81xd
Post #5

https://www.boostcruising.com/readersrides/entry/6/5877.html

an example 4 u if u wanna spend some money.

get a maggot(magna) injection head and other injection bit and fit to a 4g54 for a cheap upgrade
Damo
Post #6

Dilze-87 you have a pm.

tripharn
Post #7

The newer (but definately not new) Sigma's had EFI... you could go that route. Or the turbo version as well. Each has it's own pro's and con's.

I personally would sell the whole thing and get something else.

Have you seen the price of cars lately? The have dramatically dropped over the past 2 years or so.
MaDDoG
Post #8

v6 commy motor and box into the siggy, instant 14 seconds with great fuel economy smile.gif

Dilze
Post #9

yea me mate mentioned a CA18DET???

umm lookin kinda for performance and reliablity...?
im not gonna trash the fuck out of it... and dont want TO much power...

thanx for all the info

MoonLight
Post #10

A CA18DET would be fun, but you could run into reliability problems. I'm not shittin on the CAs, just they like to chew head gaskets. They are a great little motor, but you should probably keep it Mitsu. Keep it in the family. Simply converting to EFI for a start would probably give you some gains, and work from there. Really, it's up to you. Good luck

`nigno
Post #11

Naturally aspirated 12a or 13b maybe with some porting ???

The size of the engine will mean it is a piece of piss fit, there will be some custom fabrication needed, but then name an engine conversion where there isnt.

personally id go a 13b bridge port... would be very fun indeed biggrin.gif

57ING
Post #12

Try and contact Monstabishi in Sydney, they've done heaps to Sigma's in the past.
Also try this link and site: http://www.turbocreations.com/cordiaturbo/coolsigma.html

sigmagsr
Post #13

hey mate i went throught he same problem with i want more power and so on but i am so sick of working on the sigma it aint funny. conversions possible
magna injection on 4g54 block
same with turbo
1jz
13bt
351 cleveland has been done not sure bout legality side.
v6 commodore available from www.v6conversions.com
there is a whole bunch but the diff wont cope much and u cant get an lsd for them so theres more $$$ needed for a custom u will need to alter the trans tunnel for most other gearboxes.

the most reliable and fuel efficient i say would be a later model vs vt commodore 3.8 lt.

but for the money u spend it aint worth it.
Dilze
Post #14

yea... not to sure what to do ay

im thinkin might just like keep it the way it is... till i can get sum money 2geather and buy sumthing else...

i got this car givin to me anyway so yea lol.....

dunno what to do

gingerman88
Post #15

yeah im dilzes best mate and i was doing all the bodywork on it for him rust etc as it had heaps and wouldnt pass rego till it was fixed i think honestly he will just keep it n just muck around with it aye till he gets the cash 2 get a decent car so yeah but thats my opinion

Phat535
Post #16

does anyone know how heavy sigma's are?
I'm assuming they're not too light considering V8 conversions are legal
DVS88
Post #17

i think u may find with the wagon u should be able to fit anything upto 5.6ltr n/a and 4.4 ltr forced one motor i think would be awesome and not mentioned is a quad cam lexus 8 pick up front cuts for about 1500 and the v6 is the other option if ya want reliability and fit quite nicely.

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