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#129149 - 8th Apr 2006 8:34pm More power from a diesel
jimbo4x4 Offline
Forum Master

Registered: 3rd Mar 2004
Posts: 2912
Loc: Bebington
My bro wants a few more bhp from the jeep, he doesn't wanna go down the turbo route as they crack in cold water and don't give even power.

We've thought about skimming the head and fitting nitrous, but is there any other way of squeezing some more power out of this? He doesn't really wanna be spending any more than £200 or so, depending on what's on offer.

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#129150 - 9th Apr 2006 11:35am Re: More power from a diesel
exploding_penguin Offline
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Registered: 11th Nov 2003
Posts: 1943
Loc: sitting at a desk
supper chip?? maybe a tad over 200£ but power gains are massive on diesel cars
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#129151 - 9th Apr 2006 11:42am Re: More power from a diesel
scoop Offline
Wiki Addict

Registered: 18th Nov 2004
Posts: 7238
Loc: Leuchars
thing is it aint a turbo,and i think itll be mechanical injection and not ECU controlled,so god knows what u can do?NOS and butane are good ideas,not sure if skimming the head is good on diesels,or headwork at all for that matter.Maybe an engine swap?Fit a turbodiesel and itll have a lot more potential
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#129152 - 10th Apr 2006 12:14am Re: More power from a diesel
jimbo4x4 Offline
Forum Master

Registered: 3rd Mar 2004
Posts: 2912
Loc: Bebington
No he doesn't want a turbo as they won't give power low-down and they crack in cold water. It is mechanical injection on this engine so a chip is out of the question. Skimming the head would raise compression hence raising torque, and nitrous works better on higher compression engines.

Any other ideas people?

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#129153 - 10th Apr 2006 9:47am Re: More power from a diesel
StuyMac Offline

Wiki Master

Registered: 24th Nov 2003
Posts: 12002
Loc: Wirralshire
The only way hes gonna get anything noticably extra from a diesel engine is do a turbo diesel transplant.

You cant adjust the fueling to your advantage on a diesel, nor can the timing be altered to give more performance and they are very restricted about what you can do - port and polish, and some head work, but the gains would be so little...

He could always try some thinners (With high % of either acetone or Tolulene) in the fuel, may give a few more gee gees, but if he wants more power a Turbo is the only way frown
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#129154 - 10th Apr 2006 10:47am Re: More power from a diesel
Scooby Offline
Forum Veteran

Registered: 9th Nov 2003
Posts: 5327
Loc: Birkenhead, Wirral.
Jim, i am facing the exact same problem with the Cruisewirral Transit Van thumbsup

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#129155 - 10th Apr 2006 3:17pm Re: More power from a diesel
scoop Offline
Wiki Addict

Registered: 18th Nov 2004
Posts: 7238
Loc: Leuchars
Quote:
Originally posted by Scooby:

I am looking at several options.


Some Crazy Engine, 5.7 Chevy Block....


Whichever option i choose has to be a viable option and not too crazy.
contradiction there jay.I think u shud go for a v6 petrol

And jimbo,think its best if u get another engine,even if its not a TD just get a bigger diesel engine,like the one in the tranny ATM.wot engine the jeep got atm?
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#129156 - 11th Apr 2006 12:41am Re: More power from a diesel
jimbo4x4 Offline
Forum Master

Registered: 3rd Mar 2004
Posts: 2912
Loc: Bebington
Vauxhall 1.7, he'd want to stay with GM too as anything else would cost too much to fit. Already have an Opel Manta box, so it'd have to mate to that. There's complications with size too as it's in-line and the sump only just clears the axle on articulation think

Jay, the TD would be easiest as you can already get transits with them. Otherwise I say red-top or V6

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#129157 - 11th Apr 2006 12:42am Re: More power from a diesel
jimbo4x4 Offline
Forum Master

Registered: 3rd Mar 2004
Posts: 2912
Loc: Bebington
Cheers for the replies btw everyone, they're dead useful.

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#129158 - 12th Apr 2006 7:31pm Re: More power from a diesel
Johnny Alan Offline
Forum Addict

Registered: 15th Sep 2004
Posts: 2082
Loc: wirral
cossy powered lol, like the 1 of topgear
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#129159 - 18th Apr 2006 1:41am Re: More power from a diesel
Scooby Offline
Forum Veteran

Registered: 9th Nov 2003
Posts: 5327
Loc: Birkenhead, Wirral.
Quote:
Originally posted by jimbo4x4:
Jay, the TD would be easiest as you can already get transits with them. Otherwise I say red-top or V6




3.0 V6 for me....... raftl

I have just bought an Ambulance as a donor vehicle, Click here to read up on the project.....

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#129160 - 22nd Apr 2006 2:52am Re: More power from a diesel
DavidB Offline
Wiki Guide

Registered: 7th Dec 2003
Posts: 5595
Loc: Bebington, Wirral
Manta rear box goes straight onto the GM engines, as does the Omega 'F25' ones (which have a wider ratio) and you can buy a shallow sump from SBD, or on ebay. 100 - 200 quid.
Get a 2.5 straight six from a Carlton! Less faffing about.
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#129161 - 22nd Apr 2006 12:43pm Re: More power from a diesel
jimbo4x4 Offline
Forum Master

Registered: 3rd Mar 2004
Posts: 2912
Loc: Bebington
Miek, it already has - Opel manta 1800 box, shallow sump, induction kit, full straight through custom exhaust. Thanks for the ideas though, and he wants to stay diesel as they survive underwater with just the help of a snorkel.

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#129162 - 23rd Apr 2006 4:05am Re: More power from a diesel
MrPhil Offline
Forum Master

Registered: 14th Apr 2006
Posts: 2367
Loc: Prenton
really the only way to get good power out of a diesel is with a turbo. f@@k the n/a off an get a 1.7 turbo an get a good welder to fab a manifold to relocate the turbo to reduce it gettin pissed on, imho this would be the best option.
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#129163 - 23rd Apr 2006 2:22pm Re: More power from a diesel
DavidB Offline
Wiki Guide

Registered: 7th Dec 2003
Posts: 5595
Loc: Bebington, Wirral
ah. smile
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