Thanks for the info Jim. Sounds like V belt drive is worthy exploring. What did you do for crankshaft pulley? John
On Friday, 8 May 2020 10:23:50 UTC+1, Jim Hearne wrote: > > I would think the 1mm clearance on the gearbox end is because the engine > and gearbox has been moved across that way to give enough clearance on the > crank pulleys and belts. > The Zetec cylinder blocks are the same width as the CVH, it's just them > having flat belts for the auxiliarys instead of V belts that causes the > clearance issues. > In the 2+2 you can modify the steel frame rails, the saloon isn't so easy. > > With the silver top Zetec in my saloon i converted the alternator to V > belts and replaced the water pump with an electric one. > That let me keep the engine and gearbox in the same place as a CVH > > The ST170 6 speed gearbox is actually narrower then the BC/IB5 so it would > let you move the engine/gearbox across to the gearbox side. > But, it uses unique driveshaft joints on the inner end so you would need > to get custom shafts made. > It is also hydraulic clutch and cable gearchange so a lot of work. > > Jim > > > > On 07/05/2020 20:34, 'JR' via Quantum Owners Group wrote: > > 1mm clearance sounds super tight! - you must have some really good engine > mounts to stop that hitting. Do you have a 6 speed box or BC/IB5? Front or > rear starter motor? On my cvh + BC 5 spd there is better clearance than 1mm > on gearbox end. Maybe fiitting a zetec blacktop needs the whole of the > power unit moving slightly towards nearside to make it fit? > With regards induction I will be using a cvh efi./turbo up and over alloy > inlet manifold with some adapter plates (single throttle body) - this > should make it easier to move to turbo later once the basic conversion has > been sorted. Had a re-read of nickp;s thread - thanks for reminder. > John > > > On Thursday, May 7, 2020 at 10:37:53 AM UTC+1, russ price wrote: >> >> In that case it is the same size as the ST engine fitted in mine. I >> didn't do the conversion but i had to change the engine so have some idea >> of how it's done. The clearance at the crankpulley end is quite tight but >> it is possible without cutting anything, clearance at the gearbox end is >> even worse 1mm only. I'll take and post some pics later, The exhaust has >> had some work done to squeeze it in. The biggest problem however is on the >> induction side i don't see how it would be possible to use the original >> system, mine is running on bike carbs and that still a bit of a squeeze. >> Engine mounts need to be pretty firm and a head steady is a good idea. >> Just realised the topic started by the chap who did the conversion is still >> on proboards forum take a look at ST170 Saloon posted by nickp. >> Russ >> >> On Tuesday, May 5, 2020 at 3:41:57 PM UTC+1, JR wrote: >>> >>> Looking to replace my saloon cvh lump with a 2 litre zetec blacktop >>> motor. Anyone have any experience of this... tips.problems . pointers etc? >>> >>> Most of the info I have found relates to using the old silvertop zetec >>> engine - I won'r be using one of those (too old/rare/expensive in >>> comparison to plentiful cheap blacktops) >>> >>> I don't see any problems with manifolds, loom, injection, ecu etc. (I >>> will be using aftermarket ecu/efi) >>> >>> Biggest problem I see is very tight fit/access in engine bay at crank >>> pulley/cambelt end. Ideally I do not want to be cutting inner panel. >>> >>> John >>> >>> >>> -- > -- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To post to this group, send email to [email protected] > <javascript:> > To unsubscribe from this group, send email to > [email protected] <javascript:> > For more options, visit this group at > http://groups.google.com/group/quantumowners?hl=en > > IMPORTANT NOTE: All information presented herewith is provided on an "As > Is" basis, without warranty or the implication thereof. Neither the Quantum > Owners Club nor the individuals associated with the Quantum Owners Club or > in the preparation of the above information shall have any liability to any > person or entity with respect to liability, loss, or damage caused or > alleged to be caused directly or indirectly by the instructions contained > within this or related message(s). > --- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/quantumowners/fc64a7b4-2bd7-4966-84f8-81a28b07b55d%40googlegroups.com > > <https://groups.google.com/d/msgid/quantumowners/fc64a7b4-2bd7-4966-84f8-81a28b07b55d%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > > -- -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. Neither the Quantum Owners Club nor the individuals associated with the Quantum Owners Club or in the preparation of the above information shall have any liability to any person or entity with respect to liability, loss, or damage caused or alleged to be caused directly or indirectly by the instructions contained within this or related message(s). --- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. 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