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The V8 Porn Rebuild Thread


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Well, 3 days in the workshop, 3 dreadfull days, seems everything I touched either Broke, didn't fit, was the wrong version / size / agle,

didn't have enough of some things, too much of others (which were the wrong things) etc etc. After an appalling Friday :( I thought Saturday couldn't be any worse

That was another problem - it wwas, and today being the 3rd day similar to the other two. I was deterermined to just do whatever I could, but it did start geting "Blue" at Chateau Hybrid"

when it seemed that pretty much any job on it I started I couldn't finish due to X Y Z, I have done lots of bits of lots of jobs, but LOADS of these now need to be finished...

Here is my 3 days of "Fun" :(

Start with something easy I thought, silicone hose from the top of the manifold to the Rad Top, pushed the new silicon hose onto the manifold water pipe - lubbed with a tad of WD40 and something

"Moved" :blink: an inspection showed not so much "Moved as "Sheared off F level with top of inlet manifiold and broken bit in new hose" Bugger.

To "Get" to it was Trumpet all off, and bits removed inc Coil Bracket etc etc

2 HOURS later it was out, and amazingly I had a new one in "Stock" (no I have no idea why either :rofl: I have all sorts of "Bits" kicking about :)

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It was a Right PITFA to get out, especially after plan a saw me shear off a Stud extractor ion the broken tube i the head, eventually it cam eout, can't drill it as

its a press fit, loctited new sod in, but it was not a great omen for the start of the 3 days, 2.5 hours into the day I had sheared off a Pipe, removed and replaced it - Ooo deep joy :(

On the last picky this also shows the much modified Pipework, and silicon hoses with reduction at the fat end, ito the old eales Pipework (Modified) and

then into the heater unit, finished ?, nope, you'll see there are no hose clips on, this is not becuase I didn't have them - I do have them, but on close inspection the pipes are

just missing a spot of tigging - but can't finish them as out of gas - FFS No 2

OK, thought I would do the heater hose 90 degree pipe just below the thermostat and the stat and housing itself, hose didn't fit, had to remove plate on valley gasket

and linish a section away so hose would clear - this stub was a mod I made so I can still keep the heater , thermosta "Check" Housing "Check" Gasket :blink: Bugger Mk3

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Ok then, if I can't do any more on the heater pipes, then I'll move onto the Oil System

Worked out which pipe from the filter remote went to which pipe on the Housing Takeoff, the one on the left top has to go to (yup you guessed it) right bottom,

and the one on the right left to the top right, great crossing Pipework

I fitted the takeoff, and the various connectors for a looky around, now this is the driver front side of the engine, there are no less than 15 pipe connectons

to be done in here alone !that excludes the heater tank, which has 2 more - 17 , kin hell tis going to be tight, so I had a lookie and decided to start with the oil

remote to take off Unit base of engine

Have a lookie yerself :D

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2 x Take off plate on engine 1 x to termostat side out, 1 x under engine side out to Termostat 4x Hose fittings, 1 x engine coolant, 2 x Oil Filter etc etc :(

So, I have never ever been a fan of oil pipes, I had bought a vast box of aeroquip stuff, so set to making the hoses up. These are the Ali fittings, and have stainless

hose etc and are a f fortune, but they do make up superb quality hoses, so heres how you do it if you fancy

Holding hose, wrap masking tape around, and slice through with sliting disk in angle grinder, one end always seems to fray more than the other, I

also always put both "Ferrules" (Gold bits) on facing each other so that its not forgotten.

Then tidy up any overly long bits of stainless braid, then take the olive pull and "Splay" braide away from inner hose

The inner hose is threaded on the outside, the Olive on its inside, you then wind the olive onto the Inner hose untill a couple of mill pops through, then trim this off

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Then - trim off the hose sticking out flush with razor knife, then pull the ferrule up hard to expose threads for fitting

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Then, take fitting of choice bit of WD40 and wind up, do the same with the other end and hey presto

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Do this with the other hose and you / I now have a pair to fit, also the stainless wire jams into you pinkeys like you wouldn't belive

I had blood everywhere for 1,000,000 pin picks :(

But 2 x hoses out of the many yet to come :

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roblem now was I needed different / more ends to the ones I had, the ones I planned to use from the original pipes - different system and therefore

not compatable with new stylee hose FFS No $ or 5 loosing count by now ....

OK then , lets do some work on the catch tank, and connect and finish the breather hoses - Nope

The hoses were bodged on the eales when I got it, the Tank I now know was not the original, as such the inlet outlet are a different size to

the hoses from the engine (stainless type old hoses reused after cleaning) but needed to yet a Bloody gain alter the ctach tank. This time I have

machined some aeroquip alloy joiners to be tigged into the cut up tankm, 2 x side and 1 x top, yes there are only 2 x in the picture - ran out :(

FFS .............

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so, catch tank on one side off again :(

OK - let do the triger wheel

Now, remember the original one had been modified with the front end, now is back to a 4.0 Short cover motor that wheel didn't fit (wrong PCD on wheel

Raiding the megasquirt V8 Ltd Stock :) I "Borrowed" a 4.6 serp one, and played with the rotary table - cocking up the 1st one, but 2nd one was OK

This will give me the ability to move to get wheel spot on, and bolted with flanged bolts from the back seemed to be OK :D yippee I am ion a roll !

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Nope, that came to a halt when I tried to fit the VR sensor assembly - this is an odd ball engine noting I had fitted, including the old

VR sensor and bracket as that was for the massively horrible bodged Crank Pulley :

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Ok so will have to make one, from scrtach, no welding gas :(, so thouight about where it will go :

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Position will prob be Pic 2 as this way its protected, pic 1 will stick the bracket and sensor way out in air to be clouted

On pic 2 you will notice no bolts anywhere nearby to help mounting :( ......so next ?

Some simple painting of brackets etc, what could go wrong ?

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Run out of paint - thats what :(

And thats the end of 3 solid days on it :blink:

have a nice expensive shopping list to get for next week, and it will continue ................

Nige

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When you see Nige mention "razor blade" in a post there's usually a visit to A+E further down the page, so it can't have been that bad a weekend!

Plus at least you were in the shed, I've been stuck with painting & decorating which isn't fun even when it's going well.

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Tiggy Tiggy Tig Tig :D

One job finally sorted, the much modded catch catch now fits ! - Kin hell, would have been quickier to make a new one !!

Unfortunately even having trimmed the beejezus out of the huge Silicon 90 bended Hose there is too smaller gap between hose and catch tank

I think when the engine "Twists" on the mounts it would touch, so the airbox is yet again undergoing more major mods - TIG Practise for moi :lol:

Another trip to Think Automotive sees a nice new spendy pile of Aeroquip ends and bits for Saturday :)

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:(

Nige

Nige

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Take a headlight out and whack a K&N on the end of a tumble drier pipe :ph34r:

Its nice to see someone taking the time to do things properly.(including injuries ;) )

Now you can TIG and have some stainless stock will one be self constructing DIY surgical instraments?

Will.

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  • 4 weeks later...
  • 3 weeks later...

Well, an update and for once a productive day moving it forward, in fact I now feel I am geting close to a start up :D

The trigger wheel, and the VR sensor have proved to be a Giant PITFA.

I have <megasquirt V8 Ltd hat on> always "Shyed away" from doing the units for a 4.0 V8, partly as I knew from doing the others it WOULD be a nightmare

and partly due to it being a unusual choice of engine - and thus not a big seller.

Oh how I was so chufed to end up with a 4.0 Front ensmble on the 5.2 after many false trips, so I decided that I would do it properly and add the finished unit

to the 'megasquirt offerings', rather than mankeybraketybodge.

This proved a nightmare (as I thought).

The pulley has to be shoved in a lathe and machined back. The VR sensor has a lack of any useful flat mountings, but eventuallu adter much cardboard cut

and plan A B C D & E binned a "Prototypes" were drawn up and lasered - then altered an amazing 7 times more, and then shims (washers from 4.0mm to 0.7mm

sourced and the unit looks a bit like this :

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From the tiop :

Top Left - 4.0 crank pulley - lathed on the back to give a 'fla't surface,

Next 1.2m "Shim" unit to help space Trigger Wheel from Pulley

Bottom Left "Shims" these are special washers from 4.00 , 2mm 0.7mm for "Spacing"

Middle bottom is the "Shaped Plate from hell - this mounts on the water pump

then the bar pate next to it is the "Steady" to make sure it doesn't end up like a F Jews Harp :rofl: at 4000+ RPM :D

Top right is a new VR Sensor Bracet and a VR unit Bolted on and a few other nuts and Bolts. All in all a complex solution to a nightmare problem .........

I can say this as I took a load of pics of assembly, and shimming of trigger wheel and found it wrong ........

The machining is a bit "Hit and miss"

You have to machibne back the pulley to give flat surface, this surface then has the 1.2mm shims added to give the trigger wheel

a "Free Air" space from the pulley. This also has to have the VR sensor on it central, the water pump is super close, the spacing of the VR sensor bracket and

the triigger wheel from the pulley takes some time to get right, and then find the Serp belt hits so reshim / adjust - some pics, hopefully these will explain...

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The VR sensor Bracet has adustment Left right up and down to aid getting the air gap and the Timing Spot on :

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The trigger wheel I had previously modded so this has slots in, now not needed !!

However the belt when popped on ir rubbed the Triger wheel :(

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more shims and tweaks of VR sensor Shims ...

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4 x shims gave bigger gap, but then flowled water pump base !, 3 x shime, less on Vr and a tweak gave a perfect (finally) fit of trigger wheel and VR sensor :

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Yippe Do :D finally ......

Next is the air box, after a selection of bits of 3.5 Tube 90 bends, tube and some fine hacksawing I had a the basiscs of the next job - which is to modify

the air box - big time. Now the catch tank is down the air box has to be done in steel and tight 90 to clear , and yes to end of one end does have a 2mm

thin ring to be tigged this is the 'hose retainer', .....and yes I didn't get it right 1st time...or 2nd .... :lol:

Some tacked up TIG Joy for the future :D ....but not today

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Also the water pump hose, the the 2 x heater hoses and Ts into the pipework thats been much TIG Modified came together, and a mount

for the new Ignition leads :

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All in all a good move towards it running - not long now :D

Nige

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mmmmmmmmmmmmmmmmm very nice bracketery. you can come and do my expansion tank to inner wing bracket for me if you want. and airbox brackets, and fuel filter. and oh hell, can you re do it all for me haha

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