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Switching from a E39 M5 to A 964. Targetting 350hp. Paging ninemeister and the rest

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Old 10-28-2010, 02:51 PM
  #16  
ChaseN
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On the flipside, If you do end up hunting this kind of power, be sure and document it thoroughly on here. Of all the guys that have gone into the 300hp+ range, it seems like none of them have/want to post much about the work they did to get there.

All I've got of the M3 are these terrible ones from like February, lol. I don't get to drive it as much as I wish I did (its in VA while I'm in Pittsburgh throughout the week and some weekends) but its all done now, so please excuse the mess of wiring and such in the engine bay




Old 10-28-2010, 07:12 PM
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camlob
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Eman123 - Yeah thats best of both worlds but funds do not permit me to keep both. The M5 was not a dd, so if I have the 964, they will be both weekend cars! My other weekend toy is a Ducati 998. Not enough garage space too.

ChaseN - Was the drop-in a DIY? Boy, you must be skilled! Noticed the tight space. Fan delete etc.
Old 10-29-2010, 12:41 AM
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ChaseN
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Originally Posted by camlob
ChaseN - Was the drop-in a DIY? Boy, you must be skilled! Noticed the tight space. Fan delete etc.
Yeah, DIY. Skill is a relative term - I prefer 'dumb enough to try it myself'. Tight space would describe it well...you can slide about 3 pieces of paper stacked between the back of the cylinder head & the firewall
Old 10-29-2010, 02:46 AM
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etom
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The high cost of 964 horsepower:

http://cgi.ebay.com/ebaymotors/Porsc...#ht_1638wt_953
Old 10-29-2010, 03:58 AM
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ChaseN
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Originally Posted by etom
$38k! Not to mention, you supply your own intake...and something tells me you stock 964 manifold isn't going to quite cut it. How much is a decent set of ITB's or slide throttles...?
Old 10-29-2010, 06:34 AM
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camlob
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Originally Posted by etom
But that is a genuine RSR engine! Looking at the headers makes me want to wear ear plugs already!
Old 10-29-2010, 08:22 AM
  #22  
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Originally Posted by ChaseN
I went from the stock motor in my '89 M3 (2.3l 195hp 4-pot) to a 3.2l 321hp ITB fire-breathing beast of a motor imported from a euro-spec '99 M3, for ~$12k all told (DIY, so no labor costs).
Oh no you got rid of the S14, such an E30 M3 sin!

Seems like the E30 M3/964 is a pretty common combination, I've got the same garage. Although I still have the S14 in my track car
Old 10-29-2010, 03:50 PM
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ChaseN
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Originally Posted by AndrewLang
Oh no you got rid of the S14, such an E30 M3 sin!

Seems like the E30 M3/964 is a pretty common combination, I've got the same garage. Although I still have the S14 in my track car
Judging by some of the reactions I've had of my car at BMW gtg's you'd think I shot the pope. On the other hand, some people slober on it and have offered me their BMW + fist born daughter in trade for it. It's definitely a polarizing swap, and I'm firmly entrenched in the 'love it' camp. It turns the M3 from a quick all around balanced car, to a monster... nothing wrong with the s14 though, I just wanted something different out of it. That's all.
Old 10-30-2010, 03:58 AM
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espenl
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Originally Posted by NineMeister
Motec, cams, ported heads, pistons + headers = 350hp with 7000rpm limit, Geoffrey's done one of these 9m conversions in the US for Mark and it made 310 at the wheels. It will cost around $15-20k USD or £12-15k UKP depending on which exhaust you decide to buy. Oh, and you need a 964RS lwf kit as well, this will be another £900 or so.
Will you be able to provide such a kit?
I just love my 964, but would like a bit more punch without going the turbo-route..
Old 10-31-2010, 01:11 PM
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Originally Posted by espenl
Will you be able to provide such a kit?
I just love my 964, but would like a bit more punch without going the turbo-route..
Of course!

Only problem will be in providing you with refurbished & ported heads, you would either have to send me yours to rework or dig deeper in the pocket and buy a set of 9m billet heads instead - final decision on this will be when you strip the engine & find out if your heads are serviceable or not, usual problem are broken ceramic liners in the exhaust ports.
Old 10-31-2010, 04:08 PM
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Originally Posted by NineMeister
Of course!

Only problem will be in providing you with refurbished & ported heads, you would either have to send me yours to rework or dig deeper in the pocket and buy a set of 9m billet heads instead - final decision on this will be when you strip the engine & find out if your heads are serviceable or not, usual problem are broken ceramic liners in the exhaust ports.
Hi Colin, I know you're posting all over the forum...especially the 993 section...but just to make sure this is the real men's 964 section ;-) I thought our heads flow well enough for 340-350 bhp in standard guise contrary to 993 heads??

Rgds

Harald
Old 11-01-2010, 02:32 PM
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crg53
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Originally Posted by NineMeister
Of course!

Only problem will be in providing you with refurbished & ported heads, you would either have to send me yours to rework or dig deeper in the pocket and buy a set of 9m billet heads instead - final decision on this will be when you strip the engine & find out if your heads are serviceable or not, usual problem are broken ceramic liners in the exhaust ports.
Is there any advantage in using 993 cylinder heads on a 964 engine and do they also have the ceramic liners in the exhaust ports?. I know mine are chipped and cracked, so on a stock engine how much does that affect performance?




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