Martin’s PRV bone yard…

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Postby phildini » Tue Aug 07, 2012 8:52 am

MFaulks wrote:However, as Phil will know, the one to have though was the Fezza V8 engined Thema Special .....


I have been after a 8.32 for a while now as Mr Dell will know, was really close in buying one two years ago but the bloke went all stupid and put the price up after finding out that some were being advertised for up to £8k........... but not selling :lol:
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Postby BIG_MVS » Tue Aug 07, 2012 9:27 am

phildini wrote:
MFaulks wrote:However, as Phil will know, the one to have though was the Fezza V8 engined Thema Special .....


I have been after a 8.32 for a while now as Mr Dell will know, was really close in buying one two years ago but the bloke went all stupid and put the price up after finding out that some were being advertised for up to £8k........... but not selling :lol:


What did you offer him, "de scrappage scheme monies - £2k"?

What a mistakea to makea....

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Postby cineman » Tue Aug 07, 2012 9:36 am

eastlmark wrote:
phildini wrote:
cineman wrote:......with a new PRV with k-jetronic, the version from a Lancia Thema ................


I am confused.........??? I never knew they fitted the PRV on any italian car....


what name did it have on the motor then? Surely not Lancia?


Lol, here the special tag that was putted on that engine ^^

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I have to look in some scans of lancia manual for the cams timing.
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Postby PaulC1959 » Tue Aug 07, 2012 11:04 am

eastlmark wrote:yes knew about the Ferrari v8 version, we have one in my area as a daily driver for local Intagrale specialist, John Whalley. Was the Thema not a shared platform car with Saab or someone? still never thought of the PRV connection. Just assumed it would have been some Fiat motor.


The Lancia Thema shared a common platform with the Fiat Croma, Alfa 164, (all Fiat stable) and surprisingly the SAAB 9000. I think I heard it said that the doors for all four where from a common source also, not sure how true that is though?
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Postby eastlmark » Tue Aug 07, 2012 11:26 am

PaulC1959 wrote:
eastlmark wrote:yes knew about the Ferrari v8 version, we have one in my area as a daily driver for local Intagrale specialist, John Whalley. Was the Thema not a shared platform car with Saab or someone? still never thought of the PRV connection. Just assumed it would have been some Fiat motor.


The Lancia Thema shared a common platform with the Fiat Croma, Alfa 164, (all Fiat stable) and surprisingly the SAAB 9000. I think I heard it said that the doors for all four where from a common source also, not sure how true that is though?


and yet ended up with a motor developed by non of those companies.....go figure that one out.
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Postby Tony Smith » Tue Aug 07, 2012 3:41 pm

None of the other offered a PRV version. Croma had an Integrale engined top model, Alfa used its own V6. The 9000 was later offered with a V6 with a low pressure turbo fed by just 1 bank of cylinders (Same as Omega I think) how weird is that?
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Postby PaulC1959 » Tue Aug 07, 2012 6:20 pm

eastlmark wrote:
PaulC1959 wrote:
eastlmark wrote:yes knew about the Ferrari v8 version, we have one in my area as a daily driver for local Intagrale specialist, John Whalley. Was the Thema not a shared platform car with Saab or someone? still never thought of the PRV connection. Just assumed it would have been some Fiat motor.


The Lancia Thema shared a common platform with the Fiat Croma, Alfa 164, (all Fiat stable) and surprisingly the SAAB 9000. I think I heard it said that the doors for all four where from a common source also, not sure how true that is though?


and yet ended up with a motor developed by non of those companies.....go figure that one out.


It is a weird one especially considering the FIAT Empire would have access to the very nice 2500cc or 3000cc ALFA Romeo V6 engine in exactly the same manner as they would have accessed the Ferrari V8, “Hey itsa in our parts bin so we can use it”. I can’t imagine why they would use the PRV? :shock: :shock:
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Postby MFaulks » Tue Aug 07, 2012 7:12 pm

PaulC1959 wrote:It is a weird one especially considering the FIAT Empire would have access to the very nice 2500cc or 3000cc ALFA Romeo V6 engine in exactly the same manner as they would have accessed the Ferrari V8, “Hey itsa in our parts bin so we can use it”. I can’t imagine why they would use the PRV? :shock: :shock:


Price? I bet the PRV unit price was lower given the scale of manufacture, so it gave the family V6 Thema version sufficient performance without impacting the differentiation to the Fezza V8 special...
Alfa V6 both very nice, but can get more flow out of the 3ltr PRV heads, see higher up in the threads :-) ...
... A diamond is only a piece of coal that did well under pressure... PRV afflicted, may be I need to squeeze harder!!!!

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Postby PaulC1959 » Tue Aug 07, 2012 7:16 pm

MFaulks wrote:
PaulC1959 wrote:It is a weird one especially considering the FIAT Empire would have access to the very nice 2500cc or 3000cc ALFA Romeo V6 engine in exactly the same manner as they would have accessed the Ferrari V8, “Hey itsa in our parts bin so we can use it”. I can’t imagine why they would use the PRV? :shock: :shock:


Price? I bet the PRV unit price was lower given the scale of manufacture, so it gave the family V6 Thema version sufficient performance without impacting the differentiation to the Fezza V8 special...
Alfa V6 both very nice, but can get more flow out of the 3ltr PRV heads, see higher up in the threads :-) ...


Ah the corporate bean counters strike again even in Italy :roll:
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Postby MFaulks » Tue Aug 07, 2012 7:18 pm

cineman wrote:I have to look in some scans of lancia manual for the cams timing.


Thanks Andrea. Please check the firing order as well, and post up thanks :-)

BTW that oil filter was spot on - cheers. BIN files, when ever you can, no problem :wink:

Whilst I think of it, you mentioned you had been modifying the water passages / drillings in the heads, can you expand on that, did you get good results?
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Postby MFaulks » Thu Aug 23, 2012 11:43 pm

Well I thought I would go back and test the OE 3ltr 12V even-fire head; I had rather thought some one would ask for the comparison... I had done it for the 2.5ltr head casting figures posted, but not bothered with the 3ltr as I had gone straight for finding the delta increases than exact values... Anyway, the results were quite interesting... it's pants! Lol+ c'est pas possssssible mon fallow chicken lickers, mais oui! At about 3/4 OE lift it goes through some interesting turbulent patterns, and flow falls back from the natural progression with valve lift. In fact up to the majority of OE cam lifts approx 8mm, the good old 2.5ltr head out flows the OE 3ltr, now that really is a turn up for the books... :shock: The numbers don't lie, an OE standard 3ltr head on it's own is a backward step, and this also applies to the 610 casting (these results were taken from a 610 casting which is indeed the same as the std 3ltr as far as the ports and chamber are concerned). It only starts gaining from 8mm where the OE 2.5ltr starts to choke.

Food for thought ...

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Anyone want to know what the 24V OE head looks like?
Last edited by MFaulks on Fri Aug 24, 2012 12:06 am, edited 1 time in total.
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Postby John Law » Thu Aug 23, 2012 11:53 pm

I do!
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Postby John Law » Thu Aug 23, 2012 11:53 pm

I do!
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Postby E M Wynne » Fri Aug 24, 2012 11:33 am

I do.
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Postby MFaulks » Fri Aug 24, 2012 4:52 pm

BIG_MVS wrote:Image


hey Clee have you been moonlighting??? :lol: :lol: 8) ... definitely a double opportunity there! :wink:
... A diamond is only a piece of coal that did well under pressure... PRV afflicted, may be I need to squeeze harder!!!!

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