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Blue PFL V8 conversion

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8thumpers
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Blue PFL V8 conversion

Postby 8thumpers » Sun Jan 14, 2018 12:39 am

Bit the bullet and started to do some work on the conversion tonight.
Started by removing the old shocks and fitting the front MeisterR coil overs... ImageImageImageImageImageImage

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8thumpers
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Re: Blue PFL V8 conversion

Postby 8thumpers » Sun Jan 14, 2018 12:44 am

Very simple to swap over. I wanted them out of the way and probably less chance of getting damaged if they are on the car!
The brakes will be changed, so I'm not concerned with their poor state.
The rears won't be going on yet, I have to fabricate a hub carrier there to take the audi hubs and all the Toyota suspension pickup points.ImageImage

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1979scotte
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Re: Blue PFL V8 conversion

Postby 1979scotte » Sun Jan 14, 2018 8:57 am

I dare say this is going to be a very interesting thread to follow.
Wishing you the best of luck.
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Re: Blue PFL V8 conversion

Postby StuC » Sun Jan 14, 2018 9:08 am

Well done for making a start. Getting some smaller wins under the belt should help encourage you.

Have you got a list of jobs?
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s12vea
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Re: Blue PFL V8 conversion

Postby s12vea » Sun Jan 14, 2018 9:10 am

StuC wrote:Well done for making a start. Getting some smaller wins under the belt should help encourage you.

Have you got a list of jobs?


I’m guessing a very big list when shoe horning a v8 in a 2 lol
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Re: Blue PFL V8 conversion

Postby secla » Sun Jan 14, 2018 9:23 am

What v8 you going for ? 4.2 Audi would be my choice

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8thumpers
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Re: RE: Re: Blue PFL V8 conversion

Postby 8thumpers » Sun Jan 14, 2018 9:56 am

StuC wrote:Well done for making a start. Getting some smaller wins under the belt should help encourage you.

Have you got a list of jobs?
It's mental at the moment!
Next will be stripping the rear hubs off so I can replicate them for audi hubs...

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Re: RE: Re: Blue PFL V8 conversion

Postby 8thumpers » Sun Jan 14, 2018 11:13 am

secla wrote:What v8 you going for ? 4.2 Audi would be my choice
Yes it's a 4.2 ABZ from an A8 mated to an OB1 6 speed from a front drive A5. It's the motor that Paul Woods developed especially for MR2 install. I bought it 4 years ago. The gearbox has about 500 miles on it.Image

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Re: Blue PFL V8 conversion

Postby rich_p » Sun Jan 14, 2018 11:57 am

Very nice!
A thread with V8 in the title is sureto attract attention. I was actually reminded of the crazy MK1 Paul Woods has built. No small task by any stretch.
How is it likely to sit within the body of the MK3? If I recall there was a fair amount of chopping and re-fabricating involved when Paul made his MK1.

Good luck with it! Little bits at a time and you’ll soon have a mental V8 Roadster. Could it even be a first?

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Re: RE: Re: Blue PFL V8 conversion

Postby 8thumpers » Sun Jan 14, 2018 1:18 pm

rich_p wrote:Very nice!
A thread with V8 in the title is sureto attract attention. I was actually reminded of the crazy MK1 Paul Woods has built. No small task by any stretch.
How is it likely to sit within the body of the MK3? If I recall there was a fair amount of chopping and re-fabricating involved when Paul made his MK1.

Good luck with it! Little bits at a time and you’ll soon have a mental V8 Roadster. Could it even be a first?
Cheers! Like you say.. Bit by bit!
The trouble Paul had with the mk1 was the older generation gearbox. The ob1 has the driveshaft output between flywheel and clutch - hence the 550mm overall length from shaft to rear of engine - that should obviate the bulkhead cutting...
Time will tell!

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Re: Blue PFL V8 conversion

Postby MR TWO » Sun Jan 14, 2018 1:44 pm

Great to see this all starting to happen, goodluck with it and I for one will be glued to your thread!
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Re: Blue PFL V8 conversion

Postby Escy » Tue Jan 16, 2018 11:52 pm

I'll keep an eye on this. On the Porsche Boxsters the driveshafts were angled forwards quite a bit so having the diff output flanges inline with the hubs isn't strictly necessary. I remember someone attempted a V8 swap years back on a Mk3. The biggest hurdle seems to be the rear cross member, the gearbox wants to sit right in the middle.

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Re: RE: Re: Blue PFL V8 conversion

Postby 8thumpers » Wed Jan 17, 2018 6:26 pm

Escy wrote:I'll keep an eye on this. On the Porsche Boxsters the driveshafts were angled forwards quite a bit so having the diff output flanges inline with the hubs isn't strictly necessary. I remember someone attempted a V8 swap years back on a Mk3. The biggest hurdle seems to be the rear cross member, the gearbox wants to sit right in the middle.
Yes they do angle quite a bit - but every little helps back there!
The cross member is going to scrap - this guy has sussed it and created a work of art too!
https://youtu.be/RM4lXhWWl7E

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8thumpers
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Re: Blue PFL V8 conversion

Postby 8thumpers » Thu Jan 18, 2018 11:26 pm

Tonight I made a start on removing the rear mr2 hub. I need to replicate the suspension pickup points and build a carrier for the Audi hub.
Removal of the caliper and disc was straightforward but the hub nut was tight - as expected.

I temp refitted the disc and caliper and then jammed the disc from turning through the inspection hole in the top of the caliper, with a drift. Then I could lean on the hub nut after freeing the bent tab, and off she popped!

The suspension bolts were a pig but eventually gave in to leverage and penetrating fluid.

Tapping the drive shaft with the nut on the end freed it on the spines but I can't get the abs sensor out. Looks like that will be sacrificed....

Next job is to figure out how to fabricate the new hub carrier.ImageImageImageImageImageImageImageImageImage

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Re: Blue PFL V8 conversion

Postby 8thumpers » Thu Jan 18, 2018 11:28 pm

The car is up quite high now but I'll have to adjust it numerous times no doubt when removing the engine.ImageImage

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Re: Blue PFL V8 conversion

Postby jvanzyl » Fri Jan 19, 2018 8:42 am

Great photos man- I'm interested to see which Jack points you used? Mine is about to be put up for a long time...
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Re: Blue PFL V8 conversion

Postby lamcote » Fri Jan 19, 2018 9:19 am

That YouTube video of the cross member is a great solution for that project, but will you have space for that big top element of the cross member (shown at 6:38 in the video)? Your engine looks like it takes up all that space.
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Re: RE: Re: Blue PFL V8 conversion

Postby 8thumpers » Fri Jan 19, 2018 11:21 am

jvanzyl wrote:Great photos man- I'm interested to see which Jack points you used? Mine is about to be put up for a long time...
At the front it's on axle stands located on the chassis rail where the suspension bolts up. The rear are oak blocks directly under the cill jacking points. I have also put axle stands along side them too for safety. The oak blocks are at 45 degrees to the side of the car - that stops it from swaying sideways.

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8thumpers
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Re: RE: Re: Blue PFL V8 conversion

Postby 8thumpers » Fri Jan 19, 2018 11:23 am

lamcote wrote:That YouTube video of the cross member is a great solution for that project, but will you have space for that big top element of the cross member (shown at 6:38 in the video)? Your engine looks like it takes up all that space.
The engine won't come that far back so it should be ok. I'll remove the oem panel between the rear suspension towers and fabricate something fit for purpose.

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Re: Blue PFL V8 conversion

Postby 8thumpers » Fri Jan 19, 2018 1:31 pm

Jacking support points ImageImage

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Re: Blue PFL V8 conversion

Postby shnazzle » Fri Jan 19, 2018 2:12 pm

I call dibs on that manifold when it comes out :)
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Re: Blue PFL V8 conversion

Postby jvanzyl » Fri Jan 19, 2018 3:30 pm

I call second dibs!!!

It is a zero right?

Thanks for posting the pics- I didn't realise you could put a Jack on the front bit there...
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Re: Blue PFL V8 conversion

Postby loadswine » Fri Jan 19, 2018 4:05 pm

Flipping eck! eagle eyed folks!
Very interesting conversion. Always wanted a V8 roadster, so will be following with interest.
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8thumpers
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Re: RE: Re: Blue PFL V8 conversion

Postby 8thumpers » Fri Jan 19, 2018 5:35 pm

jvanzyl wrote:I call second dibs!!!

It is a zero right?

Thanks for posting the pics- I didn't realise you could put a Jack on the front bit there...
It's right at the point where the chassis leg is - Don't put one on the suspension arm - it will probably bend it and it's just pressed steel, not box.
Manifold is Toyosport off eBay.
I'll be offering parts when they come out :)

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Re: Blue PFL V8 conversion

Postby 8thumpers » Sat Jan 20, 2018 8:54 pm

Before I pull the whole car apart... can anyone tell me if the ABS ecu is independent to the engine ecu?

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Re: Blue PFL V8 conversion

Postby 8thumpers » Sun Jan 21, 2018 9:17 pm

Nearside rear hub removal was a lot easier. Often the way when we have learned the technique previously!

The balljoint puller kit had to be utilised on the tie rod end this side.

As before the abs sensor is the worst thing to remove - seized good and propper!ImageImageImageImageImage


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