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crash n' burn
Offline
1282 posts
91' le hatch, 93' UDSM silvia, 92' M30
Pinehurst NC
10-25-2006
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| « Re: (elmpomp) | 12:43 PM 5/4/2009 |
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yea sorry, bout "bolting right in". i used a nose cut off a junkyard M30 to mock this exhaust up when i first got my motor together. i've been looking into modifying Z31 cross members to make this motor fit. on the header note, i wanted wanted long tube headers so in doing so we ran into some issues. larger primaries and so it ended up just being a simple enough design like a later v8 mustang. i played with extrude honing the cast manifolds but ditched that one when my friend said he could run headers for me for a very good deal.i've seen that picture before i never knew you had to space the rears; good to know though. i have soo much for this car and soo much i want to do to this car that it sucks to be my daily driver while finishing my 240  wow i don't even know where my head was, my drive shaft isn't SS; that would be hellacious, its alum. see where my mind wander off to during finals, i can't even keep straight head. 
91' 5spd 240sx..for sale
93' 5spd USDM silvia coupe..new kid on the block for the SR swap
92' M30 coupe badass daily driver, 5spd swap in the worksits a labor of love 
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elmpomp
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7 posts
chi town illnana
5-3-2009
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post up some pics, id like to see your setup.
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speeddocsson
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128 posts
1972 240z "race car", 1995 200sx Se-R,1991 Infiniti M30 vert. TURBO
Orlando FL
7-7-2005
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| « Re: (HashiriyaS14) | 9:00 AM 5/30/2009 |
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| Quote, originally posted by HashiriyaS14 » | Before someone says it, I KNOW this is an ancient thread. But how about a plain 'ol garden-variety VG30ET, like out of a Z31 Turbo? Why go JDM when the simplest engine to swap in was sold here in the first place? It has to be a simple-as-cake swap. Granted, the DET might be capable of a *bit* more power, but being able to just find VG30ET's lying around for super-cheap here in the states would more than make up for that, IMO. I only ask because I've always thought it a 5spd VG30ET-powered M30 coupe would make a beastly ride. Wondering how feasible it is. |
Its a pretty easy swap....My dad and I did the swap in my M30..the only problem after that is the rear Diff
Go against the flow.......
1991 INFINITI M30 TURBO
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HowlerMonkey
Offline
80 posts
1991 M30 with L28et
west palm beach fl
6-4-2009
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The VG30et into a M30 is not as easy as people are saying.Number one, the M30 is a front sump engine while the VG30et is rear sump. Not only that but the stock VG30et manifolding puts the turbo right where the steering rack input shaft and steering shaft sit. Sure you can lay the rack down like in a Z31 but the steering shaft u-joints will bind and that is not safe. The distance from the rack to firewall is a lot shorter than in a Z31 which causes this problem and the steering shaft angles are already pretty critical angles from the factory so any increase in angle will give you notchy steering feel or could even stick adding to danger. Fitting a Z31 crossmember is a lot more involved than bolting it in since the bolt holes and......more importantly......the bolt hole bosses inside the frame rails won't be where you drill new holes causing the forces of the front suspension to start crushing the frame rail tube.........unless........you cut open the frame rail and weld them in. Since the engine bay is identical to the R31 (other than driver side), then a RB engine would be a better fit though you will need the R31 crossmember.
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rb25det f31
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16 posts
1990 f31 with rb25det , 85 z31 turbo
north west wa
8-6-2009
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| « Re: (speeddocsson) | 2:22 PM 8/13/2009 |
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well there is a wright up for turbocharging n/a vg on f31 club, and it sounds not to hard
but im going with a rb25det swap in my m30 that im working on right now
over all like any car they have there flaws, but m30/f31 leopards are real bad a** 
north west 
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1991q45
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78 posts
1991 infiniti q45
chicago il
2-22-2009
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i seen the m30 motor. the distributor looks smaller...or is it the same saize as the maxima vg30e?
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rb25det f31
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16 posts
1990 f31 with rb25det , 85 z31 turbo
north west wa
8-6-2009
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| « Re: (1991q45) | 7:05 PM 8/24/2009 |
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well the maxima is fwd so lots of parts are different, you can't even use the maf sensor from a maxima on outher vg's, but then again rwd is always better
rwd is way cool 
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bobbarker
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4 posts
carmel ny
8-25-2009
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please dont spread false information.many of the m30 engine parts are the same as maxima, and they both use the same n60 mafs. just depends on what year maxima.
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rb25det f31
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16 posts
1990 f31 with rb25det , 85 z31 turbo
north west wa
8-6-2009
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| « Re: (bobbarker) | 11:05 PM 8/25/2009 |
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maxims have 3, 4, and 5 pin mafs and m30 are what 5 or 6 and z31s have 6 for sure and that's on a vg also and what maxims are as fast as a m30 stock , without a 5 speed
and rwd is still way cooler
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bobbarker
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4 posts
carmel ny
8-25-2009
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the differences have more to do with age then anything.its the same engine. there are plenty of maximas faster then m30, m30s are slow as balls. they are heavy boats.
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1991q45
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78 posts
1991 infiniti q45
chicago il
2-22-2009
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umm...lets see if a ve30de (engine which is pretty diffrent from a vg30e) maf can run off a vg30e i'm pretty sure a rwd vg30 can run off of it.and yea i happen to own a vg which is decently quick (can give some of these new cars a run for their money and then some). according to the M30 0-60...the vg maxima is quicker.
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rb25det f31
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16 posts
1990 f31 with rb25det , 85 z31 turbo
north west wa
8-6-2009
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| « Re: (1991q45) | 10:15 AM 8/29/2009 |
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i have a m30 they are not that slow, faster than every maxima that i have seen, and my z31 vg30et is much faster , when you get going sideways in a maxima , "if you can", then you wont have much controll with the frount weels pulling and trying to stear at the same time , also can you put a rb in a maxima beacuse when my silly m30/f31 leapord is done with the rb25det swap then all maximas will be left in a big cloud of burning rubber smoke oh ya and i have had lots cars some fwd some rwd and rwd is way better
rwd fwd
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1991q45
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78 posts
1991 infiniti q45
chicago il
2-22-2009
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i'm sorry i beg to differ. so your telling me (assuming your m30 is stock) it's quicker than the vq30 thats used in the 00-02 maxima?noticed i said 5th gen.
becuause my vg can outrun a 95-99 auto maxima.
and i used to own a ve30de (dohc 92 maxima) and a buddy of mine has a vg maxima and my front bumper was by his front wheel. some people are entitled to there own opinion.
you say rwd is better i did'nt say anything against rwd.
only time i hate it is when i did'nt have the q45.
when i bough her and we had that big snow storm i thought damn i'm gonna get stuck but to my surprise the vlsd worked.
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jerseymike68
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13 posts
mac2005black
Riverside, CA CA
9-15-2009
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| « Re: (elmpomp) | 3:59 AM 9/25/2009 |
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Great cars here
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entice
Offline
1 posts
1991 infiniti m30
tijeras new mexico
10-13-2009
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| « Re: The M30 Education (gniknave) | 4:20 PM 10/13/2009 |
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i have a 1991 infiniti m30 its has some issues. Whenm i start it it hesitates to start then itll idle high n drop. i have to give it gas to keep it running. when put into drive it jumps and the idle drops. when driving itll bog down i have to play wit the gas pedal to build up speed and rpms again. i noticed the ecu hasa self diagnosis on it how do u use this? 
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