VH45de s14

Discuss topics related to the VH41DE, VH45DE, VK45DE, and VK56DE engines.
gs14racer
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Joined: Mon Feb 26, 2007 5:03 pm

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Finnally got access to this forum again.

So yea, names jerry, from miami, florida, USA.

So after i spent a year getting my sr built with pistons rods and all that jazz, i dont think im gonna use it lol.

A family member of mine owns a couple of junkyards, and i just got tired of seeing vh's thrown away. I have like 5 running motors right now plus like 4 that dont run, we usually chuck em anyway, no one buys them here.

So decided to put one in my s14.

Heres some pics of my mounts i made, I used a pair of hockey pucks for insulators, this has been done before with good results, the rest I fabricated from 1/4 steel plate.

The motor is as lows as possible on to the front crossmember, it looks like its touching but its just tilted foward a bit.













Here i test fitted it into one of my spare parts cars.















And finnally my play ground. lol13 acres, 3500 cars plus or minus



gs14racer
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Joined: Mon Feb 26, 2007 5:03 pm

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Also anyone have any advice on the adapter plate, i can probably figure it out but it would be nice to have something to start off of.

BTW motor will actually be going into this car


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Boosted 70z
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Joined: Thu Oct 19, 2006 7:55 pm
Car: 70 datsun 240z

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Good luck with your prodject man. Your s14 is sexy.So can I have one of those vh45s for cheap? My brother lives down there near you, wheres your familys junkyard at?

gs14racer
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Joined: Mon Feb 26, 2007 5:03 pm

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Got my z32 transmission clean 46k mile, mint car, rear ended, shame. 100.00.

You see in the pics the vh bellhousing , my next plan of action is to make the motor and the transmission happy together, after this motor goes in to car.




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hannibal
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Car: Red Line to Glenmont
Location: Washington DC

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Sweet project. I'm curious to see what you do for the bellhousing. There are a few guys that have made Z32/VH45 adapter plates. John Dixon is one...

Great looking S14!

Is this a PS line cut in these pics? Is that the side of the oil pan?




gs14racer
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Yes that is a view of the side of the oil pan.

I cut the factory power steering cooling loop out because it was in the way of the oil pan. Im gonna run a power steering cooler anyway.

slownslurious
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cool, what are you doing for headers?

gs14racer
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Joined: Mon Feb 26, 2007 5:03 pm

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Im clearancing the frame rails on both sides for some 4 into 1 long tube equal length headers with a 3 inch merge collector to dual 3 inch exhaust.

slownslurious
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where are you planning on running dual 3" on an S chassis, especially with respect to the pass side? no ground clearance!

Its defintely overkill for an NA vh anyway.

gs14racer
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Dual till after the transmission then cross over to the driverside and out the back. Ill put an xpipe in there some where.

Its not gonna be NA for long. Plan is vortech supercharger which im trying to aquire now, looking for about 425-450 whp.
Modified by gs14racer at 10:06 PM 3/2/2007

slownslurious
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I've got an eaton M112 and single 3" is plenty for me.

gs14racer
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REason i am doing a dual 3 inch is because for example.

ON the stock NA ka24de in the 240sx people are getting more power by going with a 3 inch all the way then a 2.5 as logic would suggest with a natraully aspirated motor. This has been proved time and time again locally and on freshalloy.

So with a motor as big as a 4.5 liter VH theres no reason not to think that gains especially in the upper RPM range would be had with a dual 3 inch. It seems to me that a 3 inch single would be choking the motor a bit. As well as choking it after it goes forced induction. In addition a lot of supra guys are finding gains as much as 30 whp by just switching from a 3.0 inch downpipe to a 3.5 inch down pipe and leaving the rest of the exhaust 3 inches. But hey ive been proved wrong before.

Time will tell as soon as the headers and exhaust are made the car will be going stright to the dyno, and Ill be sure to post up the results.

Besides since I fabricate the exhaust myself its not costing a lot to do this, just the piping and U bends.
Modified by gs14racer at 2:59 PM 3/3/2007

slownslurious
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yeah... my car is already pretty low I just dont think I could conceivably fit dual 3" pipe under it... if I was THAT concerned about back pressure I'd probably run cut outs for the track (or straight pipe). dual 3" is going to double the weight, cost, and cause ground clearance problems... I was thinking about putting in a cut out right before the cat to see if it produced anything more than a louder, more menancing V-8 growl.

gs14racer
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My cars prettly low as well you just have to get a bit creative (ie oval the piping in places) with it and it will fit.



More than exhaust clearance im concerened with oil pan clearanceas you can see in this pic the oil pan is about 25 mm below the crossmember. If it becomes an issue ill have to cut it apart redisgn the pick up and just make it sit higher.


slownslurious
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yeah mine is gonna be like that too and I'd rather avoid the cost and complexity of a dry sump system... I was thinking maybe a skid plate... its gonna be pretty much a track car so its not a huge issue but still, it would be comforting to know that a track off or riding up on the curbing isn't going to destroy the engine.

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SuperHatch
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Car: 96 TLC

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gs14racer wrote:
Any idea how the starter is going to fit?

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Raxephon
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Car: '04 RX8...for the moment...

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SuperHatch wrote:
Any idea how the starter is going to fit?
To the gearbox if he uses the z32 transmission.

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SuperHatch
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Car: 96 TLC

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anlasak wrote: To the gearbox if he uses the z32 transmission.
Yeah that'd work...

dj_monstar
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Joined: Sun Mar 04, 2007 2:51 pm
Car: triple black g35 coupe

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how much would you sell the one of the VH's for. and if u could post the dimensions of your fab'd up motor mount. thnx

gs14racer
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Not interested in selling any of the vh's now, as i dont know how many im gonna blow up getting where i want to be.

As for the mounts, I just got some 1/4 steel, used the stock mount to make a template for the block, made it a little longer. Placed the motor on the subframe then cut out peices to bolt it where i wanted it. Then weld.

gs14racer
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Got the harness out of one of the donor cars to convert it for my s14. Ive done plenty of Sr harnesses, as well as built my own chassis harness so wiring doesnt really bother me.

Heres a pic, car is a 90. I am downloading the 94 vh service manual does anyone know if the pinouts are the same.



I assume these three plugs are the ones that need to be hooked up for this car to work.

To save me time does anyone know which wires have to be hooked up? I assume all i need is

power from the eccs relaypower to the coils, injectors, maf, o2, tps, etcfuel pump relay signalStart signalRPM signalColant temp signalCheck engine light

There was mention of the auto transmission inhibtor bypass, can anyone elaborate



Does anyone know if the vh tach output will work with the 4cyl gauge cluster????

Should have the Z32 transmission adapter plate sorted out this week, more details to come once I know its done.

slownslurious
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the only one of your questions I can answer right now is the tach one and the answer is no.

I think one member already has a VH45de running in an s13 hatch with the stock ecu/ harness but I think he just laid the harness over the S13 one and left the S13 ecu to control things and the VH45de to work the motor... its not the cleanest route but certainly the quickest and cheapest. and if youre savvy you could pare down the wiring once you did that and get it to look pretty sano.

gs14racer
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Joined: Mon Feb 26, 2007 5:03 pm

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Got most of the wiring squared away.

15 wires in total

But im also using the check engin light, oil pressure light, factory temp gauge, cooling fan signal for relay, and a/c. The stock 240sx ecu or harness is not necsacary.

Integrating it into the chassis harness will be easy enough.

Ill post the bare nessiscty for it to run wires later for future reference for others.

I only have one question.

What is pin 48 on the ecu?

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Mettler
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Car: HR31 GTS-8 coupe, VH41/45 Hybrid Transplant

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48 goes from ECU straight to the throttle position sensor (TPS), though if your motor had TCS it forks and has a wire branching off to the TCS module as well, which can be terminated.

gs14racer
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Joined: Mon Feb 26, 2007 5:03 pm

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Got the good motor so i can start fabricating the exhaust, while the adapter plate is being finished.

Also the hood closes fine


















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Rex
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Location: South of ATL
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Someone in Miami has already made 1 set of VH45DE headers, but they were for the motor in a 95 Q45. I'm sure the angles/clearances will be different.

I'm loving the idea .

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Mettler
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Joined: Sun Jan 15, 2006 4:05 pm
Car: HR31 GTS-8 coupe, VH41/45 Hybrid Transplant

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You're making great progress mate! Toughest S14 I've ever seen :D

I'd be interested to see/hear your solutions for clutch master & slave cylinders, and brake booster.

slownslurious
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looks to have the stock ones still on the firewall, from the pictures....

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Mettler
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Car: HR31 GTS-8 coupe, VH41/45 Hybrid Transplant

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*slaps forehead*

****in LHD, here's me looking at the proper side of the car for the brake booster etc, when of course it's on that crazy foreign other side position!

But seriously, even so, I'd have thought the brake booster would be interfering with the head ?

gs14racer
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Joined: Mon Feb 26, 2007 5:03 pm

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As far as the booster , the motor is so low it clears, actually its slightly touching, so im just gonna grind down the valve cover a little bit. The mounts are almost solid so it shouldnt rock enough to hit it.

By my calculations i only need to remove about 2 mm of material off the back corner for it to have a fair amount of room.

But thats small potatoes.

My real problem is this

Power steering. The pump wants to be where the sway bar is, any thoughts guys. It interferes so much that theres no way it will fit.


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