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NedHan79
Nürburgring


Joined: 08 Nov 2018
Posts: 495



PostPosted: Thu Aug 15, 2019 4:59 pm    Post subject: Reply with quote

Possibly right on the block but I had assumed they were both alloy. Blocks are obviously different but apparently very close in fitment. Ls3’s are way ahead in head design and flow and hp and torque are well up but so is the price
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Kingb4
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Joined: 20 Jan 2018
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PostPosted: Thu Aug 15, 2019 5:15 pm    Post subject: Reply with quote

Am watching a series on youtube, where the guy is using an LS engine in a wrecked Hurrican. The power that you can get from them is immense - he is using components (including an uprated block) from Texas Speed, who are apparently experts on LS engines.....They have a youtube channel that's worth a watch.
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NedHan79
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PostPosted: Thu Aug 15, 2019 5:49 pm    Post subject: Reply with quote

I’ve seen that lambo coming up on my recommended. I’m on part 54 of home built by Jeff porsche atm. Only got YouTube on the tv recently. I would never have bothered watching anything on the phone.
The ls’ seem to be the answer to an awful lot of conversions. Seem so basic yet awesome
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MisterCorn
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Joined: 08 Jan 2011
Posts: 7209
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Fri Aug 16, 2019 7:25 am    Post subject: Reply with quote

How about transanting the engine and running gear from a 996 turbo in to your car? You could run a single turbo if required and would have a very solid engine capable of making the power. It probably wouldn't cost that much different overall either. £20k for a good used 996 turbo engine and gearbox, £7k back for your used good 3.4l engine and gearbox. You would not get a M96.01 engine rebuilt and strengthened enough along with the same for the gearbox for £13k.

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Dammit
Indianapolis


Joined: 23 Sep 2016
Posts: 2275



PostPosted: Fri Aug 16, 2019 8:16 am    Post subject: Reply with quote

Poses the question where to put the inter coolers- I suppose if you are doing bodywork currently then adding scoops into the flanks to feed the ‘coolers would be the logical thing to do, if staying with twin turbos.

However changing to a single turbo- maybe an inter cooler in a whale tail spoiler, as Porsche did with the air cooled turbo cars?
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NedHan79
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PostPosted: Fri Aug 16, 2019 9:18 am    Post subject: Reply with quote

Mc if I was to do anything it would be on a much smaller budget than that. That’s the idea behind a v8. I would never be fitting a new one. Second hand would be the only way for me on my budget.
Do you really think the engine and box would fetch 7k?

As for cooling on a turbo, at the minute I’d be thinking of a water to air set up.
The extreme would be a v8 twin turbo set up but that’s just way over the odds with money.
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MisterCorn
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Joined: 08 Jan 2011
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2004 Porsche 996 Turbo

PostPosted: Fri Aug 16, 2019 10:21 am    Post subject: Reply with quote

In round figures you are looking around £5k for a complete, known good engine, and around £2k for a good gearbox.

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NedHan79
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PostPosted: Fri Aug 16, 2019 10:55 am    Post subject: Reply with quote

5k sounds like a tempting proposition. I’ve found a few ls1’s at around 4K. They’re only rated at 350hp but can easily be breathed on. There’s also a big plus on the torque which I think the 996’s gearing could use as I’ve always found it very long.
If I had one engine out and another sitting with a grand change to start on bits to fit it, I’d be off to a great start.
Thing is, do I try making the mounts and other bits or just bite the bullet and buy? This would turn into a longer project than first started.

How would I get round the issue of cats? I would be happy enough to have a go at making manifolds and exhausts. Dummy cats maybe?
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MisterCorn
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Joined: 08 Jan 2011
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Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Fri Aug 16, 2019 11:01 am    Post subject: Reply with quote

Why not fit real cats? It won't get through an MOT legally without them, and would be much more awkward to sell on.

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NedHan79
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PostPosted: Fri Aug 16, 2019 11:05 am    Post subject: Reply with quote

It would be added cost basically.

I could really do with getting off my arse and finishing the bodywork first Floor
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Kingb4
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Joined: 20 Jan 2018
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PostPosted: Fri Aug 16, 2019 12:00 pm    Post subject: Reply with quote

I like the direction of your thinking.....finding a cheap, reliable, upgradeable alternative to the M96.

Am with MisterCorn - I would fit real cats. if you can fabricate an exhaust, you can easily include cats. Whilst I cant comment on the quality, there are plenty of reasonably priced cats on ebay
https://www.ebay.co.uk/itm/MAGNAFLOW-59955-200-CELL-UNIVERSAL-METALLIC-HIGH-FLOW-SPORT-CAT-2-25-INCH-57-1MM/202711657368?hash=item2f328e6b98:g:hjQAAOSwVQBdCjGf

I think £200 extra to remain legal is a sensible spend.....

I think you should fabricate your own mounts. Watching the LS being fitted to the Hurrican, he uses a generic LS mounting kit, then adds his own steel work, to link it to the car. Didn't take more than a day......
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Rosselder83
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Joined: 01 Apr 2019
Posts: 44



PostPosted: Fri Aug 16, 2019 12:10 pm    Post subject: Reply with quote

Is that the B is for Build series you are referencing?

Theres a channel called Hoovies Garage and in that he put an LS motor into his 911 after the engine popped. Might be worth looking into. Worth noting that the
LS also seized and it was deemed to have happened due to the sump design being from a front mounted car and not changed to suit its new location.

Thres also a series put together buy the boy that bought the 911 from the chap hoovie and is rebuilding it, i cant remember the channel name but if you search 'Apollo 911' it should come up.

Youtube is a grade A time sink Laughing

Last edited by Rosselder83 on Fri Aug 16, 2019 12:13 pm; edited 1 time in total
 
  
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Kingb4
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PostPosted: Fri Aug 16, 2019 12:12 pm    Post subject: Reply with quote

Yes, BisforBuild - whilst he doesnt always go about things in the best way..... its definitely interesting to watch....

Spookily last night I watched him sorting the exhausts and turbos for the LS - didnt seem the most obvious way to deal with the issues....
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NedHan79
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PostPosted: Fri Aug 16, 2019 1:04 pm    Post subject: Reply with quote

Time and space is a major issue for me. If it takes someone a day to make mounts, it’ll take me weeks. At best. The sill work is taking me forever as I’ve little time to get at it and every time I want to trial fit a piece, I have to crawl in from the back of the car. Not easy with a bad back but I’m happy enough to do it but as you can imagine if I had a ramp I could literally offer it up and adjust instead of crawling in and out for hours.

I’ve also decided that I’m going to cut the rear arches out and replace them while I’m at it. I could bluff them up but that’s no good to anyone. I’m making the arches which is more work but I’m game. I’m not a body work man so I’m apprehensive but if it’s no good, I’d would’ve had to pay someone to do it anyway.

I’m liking that people are interested in this.
It’s good for momentum
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