Conversions conversions.. |
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twincamsham
Groupie Joined: 18-January-2006 Location: Ireland/ Australia Status: Offline Points: 66 |
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Posted: 30-August-2006 at 13:21 |
Hows all, Just in the middle of my 635s auto to-manual makeover. Alls going well so far it looks nice to see 3 pedals on the floor finally! Also purchased and fitted kmac adj rear camber- I plan to give it maximum +camber(eg one Bush fully up one fully down) as my car runs low this should not alter toe in/out and bring camber close to perfect as i think you can get a max of 4degrees. Have the car on 4 axle stands at present as dropped exhaust/tailshaft/Gearbox front and rear shocks and springs and all anti roll bars/Arms , radiator/belts/power steering hoses ect for renew or replacment. also installing bilsteins and eibach springs along with most balljoints.bushings new Its fair to say i dont want this car to give bother for a long time! The box i am installing is the Getrag 262 sport ratio with 1-1 5th. i have found some play in the uni of the tailshaft i will be using and it doesnt appear to be circlip retained-rather tack welded, anyone familar with this or if its serviceable? I want to have the conversion indistinguishable from factory when done and its so far so good. if any one needs any time estimates or advice please feel free to post here or contact me. il provide some pictures when its done but im on time off work so sadly havent a whole comprehensive set as i simply havent time.my Next project will be single turbo or Supercharger. I have afriend here with a 1996 e36 3.2 6spd m3 with supercharger and he runs 5,5 psi on a standard internal engine and its phenominal! thats why i want a strong chassis as i reckon the big m30 can easilly take boost.. I also purchsed oem mtec kit which im still not sure looks good thou i really like the rear piece, the skirts-i duno, cant have one without the other.Also fitted clear rear repeaters finally. My rear mtec difuser is missing the tow eye cover. any one know were i could get one of these or a part number even love to have one of these ready for painting next week..? Edited by twincamsham |
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Andyboy
Banned User Joined: 04-June-2003 Status: Offline Points: 707 |
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NOOOOOOOOO!!!!!!!! Don't fit the bodykit, they look
bloody awful! That car looks so sweet lowered and with those rims. E24's look like a Dalek with the bodykit on, the shape doesn't suit it. By Uni I guess you mean universal joint or UJ? No, they don't use circlips and are staked joints which really need to be repaired by a propshaft specialist. What CAN be done is to use brute force, ignorance plus a hammer and chisel to beat the cups out. Then a new one can be fitted and I've seen them welded in - horrible. |
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Brucey
Really Senior Member II Joined: 07-March-2004 Location: United Kingdom Status: Offline Points: 744 |
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I was thinking 'yes' 'yes' and 'yes' until I got to the bit about the bodykit, and then I went hmmmm.... both? I'd rather have neither as well. My project is going slowly but again its going to be a sporty kind of a 6er- I've written a short bit about my plans on 'my project' on bigcoupe.com. I also have plans regarding a blower (at some later, much later date) and I was a bit stumped by the motronic system; early versions can't easily be reprogrammed, or the ignition timing adjusted in any way... This BAD for a blower as the ignition usually needs to be retarded by about 1degree per lb of boost (although a good intercooler and harder plugs may let you put it back in again). An aftermarket ECU is a good solution but I didn't fancy buying this without getting a blower up and running first... Faced with this I've done a mad thing- I'm using a 628CSi (with its L-jet system) to run a 635 engine. Its not finished yet.... But it will first have a hot cam in it, and later maybe a blower (and teh original cam back I expect) . With L-jet I can adjust the ignition, and mess with the fuelling in all kinds of ways..... cheers
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~~~~~~~ Brucey ~~~~~~ |
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mjf297
Senior Member I Joined: 08-February-2006 Location: London Status: Offline Points: 125 |
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I can't comment on the technical stuff, but have to join the "anti-bodykit" campaign. That back apron is horrific, please please please don't put it on!!!
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1988 E24 635CSi HIGHLINE ZINNOBER RED - Whitesands Bay, Cornwall |
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twincamsham
Groupie Joined: 18-January-2006 Location: Ireland/ Australia Status: Offline Points: 66 |
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Hows it going.. Thanks for the comments! Not a good reaction on the Bodykit then..! I actually do like the rear apron/diffuser i cant help thinking there a little thin under the rear bumper as standard but it does look seriously elegant i must say. The skirts i do not like but i have seen them on a delphin grey Alpina 6 and the kit did look very good-looked low/neat an sporty. I spent so long looking and paid considerable money so im sorry but iv got to paint this Mtec kit and try it, il post pictures. Also fitted the headlight wash/wipe system which never came out in Auz but i think looks good also. its in the detail you dont miss these things till there not there if that makes any sense. Back to the towing eye flap on rear diffuser question any answers ?? Il read your article later brucey i havent been on big coupe lately, I know the k-jet distributor is located before the throttle body but wont boost be pushing against the flap all the time and overfueling even with throttle butterfly closed..? I havent looked into what can be done with the motronic as yet tuning wise. i was planning to low blow the sytem but may go after market managment and feed it 8 or 9psi as the m30 is strong as. Everyone is going turbo over here, theres specialist shops that can fit a blower and intercooler neatly to just about anything. Alot of Bmw e30s with CA18s and SR20s and they run seriously quick. I thought of using an Rb25/26 eng and box in my E24 for a while but it would have to have been engineered and complied which is an expensive messy road to go down. Id have no prob using the nissan engine whatever goes well and is reliable id go with. I think the standard donk with boost would be pretty animal too because there not that lazy as is. does the cam make a big difference? Throtle bodies would be nice on the Sohc.ideally i want a 24v head but i simply cant get the bits Rodge
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Brucey
Really Senior Member II Joined: 07-March-2004 Location: United Kingdom Status: Offline Points: 744 |
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my project can be found at; http://bigcoupe.com/phpBB2/viewtopic.php?p=20689#20689 Also; there is a chap in the states who has fitted M6 throttle bodies to an M30 engine. http://bigcoupe.com/phpBB2/viewtopic.php?t=1717 should lead you to it. Basically if you are going normally aspirated if you start to run a very big cam (lots of overlap, getting on for 85-100bhp/litre) the engine runs rough at low rpm on the plenum set-up- the TB's sort this out, and allow better matched inlet runner lengths of the correct length as well. I think the idle will be a little rough with the Hartge cam I am going to install (exact specs unknown, I shall measure it properly once it is in), but I shall just live with it unless it is really bad. If a blower is fitted the original cam and plenum may be retained, and a smooth idle should be the result. I agree about a turbo set-up- it could work really well, and the engine did take to it in its original US 633 form- the L-jet system was retained and with just 6lbs boost (even with no intercooler) 260bhp (up from about 180) and a mountainous torque curve resulted. Net perfomance wasn't that great though; still too much weight and a crummy 3-speed auto box saw to that. A scanned copy of an original road test was posted on bigcoupe.com a while back- worth a read- sorry I can't find the link just now.. A custom manifold would be required for RHD though; only a few RHD cars have been turboed, and the model variations to RH engine mount and exhaust port size mean that not all manifolds will fit all RHD cars. The easiest (but possibly not best) turbo set-up involves installing the blower between the throttle body and the inlet manifold; this way the blower isn't working hard on part throttle, and the AFM may be retained. However the downside is that there may be a little more lag this way. A smallish turbo that spools up quickly and modest boost expectations will help here no doubt, but a supercharger installed in the same way would not suffer the same difficulty. If my calculations are correct (er, how many buns make five?), the AFM fitted to the 3.5 litre engine should flow enough for 290-300bhp at a push, and the fuelling with bosch #201 injectors running slightly elevated fuel pressure should be enough for that as well. Any more than that and I think some big changes are required. If anyone has any good suggestions for a suitable turbo ( I think 300bhp from the 3.5l engine is enough -for now... BTW) please let me know. cheers |
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~~~~~~~ Brucey ~~~~~~ |
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