v8 vs. Diesel

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philsefo

Active Member
Posts
287
Location
Manchester/ wirral
Hi Everyone,
I have just sold my series 3 and am thinking of a new project. My idea is to buy a cheap knacked 90, and just use it for its ID, body panels, drive train etc but build it on a richards chassis, disco axles, new engine etc.

Now i cant decide weather to stick in a 200 or 300tdi and make a car i can use everyday or make a 'weekend' car and to use it just for fun. My ideal will be to have the car looking as origional as possible on the outside but as modern as possible mechanically. Im guessing my donor vehicle will be a 19j or possible a petrol.

whats everyones view?
Thanks
 
Yeah im tending towards v8, Any idea of relative mpg for lpg? i knows you get less than petrol but its way cheaper.
classic car insurance isnt much more expensive for v8 either is it? as i can blag that the v8 isnt for performance purposes.
 
philsefo said:
Now i cant decide weather to stick in a 200 or 300tdi and make a car i can use everyday or make a 'weekend' car and to use it just for fun. My ideal will be to have the car looking as origional as possible on the outside but as modern as possible mechanically. Im guessing my donor vehicle will be a 19j or possible a petrol.

whats everyones view?
Thanks
Click to expand...


:hysterically_laughi:hysterically_laughi :hysterically_laughi







Sorry, I couldn't resist :p



If it was me, and rebuilding a Defender from a chassis up I'd be using a modern BMW diesel such as an M57d30 or else if I had money to burn... an S62b50 from an M5 :D
 
Last edited:
I never thought about newer engines actually. ive not heard of people using the TDv6, that would be a powerful engine. in terms of v8 it would probably be a reconditions 3.5 on carbs, depends if the donor vehicle has a v8.
anyone seen any threads with fitting td5 or tdv6 engines?
 
Although I like the TD5 in all and sounds great, I doubt I'd be goin to the bother if fitting it to an older defender as to make it enjoyable to drive and have decent performance in my view, it costs quite abit when you have the engine, throttle unit, loom, dash and then a re-map, a bigger intercooler etc done.
There's a good bit of info on the net on fitting the TD5 though.

I'd love to have a go in one with a TDV6 with abit of tuning :)
 
I looked online about the TDv6 and it looks like a b*tch to fit. bell auto services have done it apperently but ive not seen yet. at least a 200tdi or a v8 are easy to wire up!!
 
After reading that pdf id love a tdv6 but far to complicated. jag v8 could be good. is there any benifit for a jag v8 over a rover v8? ive seen what rpi engineering can do with a rover v8, its impressive.
 
I had a 300 bhp 4.6 in a d2, the engine cost me 8k to build, tbh honest not worth it,the engine is from the 1960's,much easier to get reliable power from a modern engine, audi do a nice v8 engine as well!
 
i could just stick with rover v8, rpi can take a standard 3.5 upto 4.6, shouldnt destroy the transmission or axles either if they are in good condition. i could build it with a rpi 4.6 block and 3.5 heads then in the future i can do improvments such as stage 1 or stage 3 4.6 heads, at least on carbs it will be simple.
 
Wouldnt bother with rpi for a start.and go for the latest block you can which are cross bolted, top hat liners take away the fear of slipped liners....and you have the jetting for each stage of build for the carbs?
 
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why wouldnt you go with rpi? they use cross bolted for there 4.6 conversions. isnt it only the 3.9 that had liners that could slip? id probably just use the origional heads and carbs then if i come to replace them then id replace the carb. all depends on money
 
The 4.6 is a 3.9 block that has been stroked with a crank, there have been quite a few issues with rpi with there workmanship when you get into building your v8,and trawling the v8 forums as i did,i would reccomend chessman motorsport in coventry for any engine machining and cylinder head work you need doing, they know the v8 inside out and do most of the work for the tuners around the midlands!
 
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