Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you. |
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12th August 2014, 12:36
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#1
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Infrequent Poster
Join Date: Jun 2013
Location: Hall Green / Birmingham
Posts: 139
Car(s): VTS Track Car
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Rough BHP Estimate - Mods
So we have a VTS bottom end that's been rebuilt with race bearings and new piston rings. The rest is standard, rods etc.
We're fitting the below parts to this rebuilt engine and was wondering the rough BHP we would be looking at after a remap. Also would the standard ECU be able to cope with these parts and a remap?
- Polished & Ported & Gas Flowed Head
- Larger Inlet & Exhaust Valves
- Piper BP285H Cams
- Direct to Head Throttle Bodies
- 4 Branch 4-2-1 Manifold
- Decat, Non Res, Magnex Back Box
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12th August 2014, 13:59
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#2
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Saxperience Forum Bum
Join Date: Mar 2009
Location: Morpeth
Posts: 2,539
Car(s): BMW 116d Regional Toner Sales Edition
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The Following User Says Thank You to D4MJT For This Useful Post:
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12th August 2014, 14:01
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#3
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Saxperience Hardcore!
Join Date: Mar 2008
Posts: 31,278
Car(s): Citroen Saxo VTS, S60 D5
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Just get it on a RR dude.. too many variables to be guessing
__________________
Quote:
Originally Posted by jeffchiz
lol because you are a brand fag
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12th August 2014, 14:39
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#4
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Quote:
Originally Posted by boylin
So we have a VTS bottom end that's been rebuilt with race bearings and new piston rings. The rest is standard, rods etc.
We're fitting the below parts to this rebuilt engine and was wondering the rough BHP we would be looking at after a remap. Also would the standard ECU be able to cope with these parts and a remap?
- Polished & Ported & Gas Flowed Head
- Larger Inlet & Exhaust Valves
- Piper BP285H Cams
- Direct to Head Throttle Bodies
- 4 Branch 4-2-1 Manifold
- Decat, Non Res, Magnex Back Box
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You'll need a standalone ECU for the throttle bodies (some say the stock ECU can be mapped for it but... good luck with that).
Utter waste of money and effort trying to fit larger exhaust valves. Pointless so don't bother. If you want larger inlet valves, use a JP4 cylinder head. Come as standard with 1mm larger inlets.
Rough BHP would be 160 on an honest dyno - more obviously if you go to a quote-me-happy place. And there's plenty of em...
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12th August 2014, 15:51
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#5
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Saxperience Forum Bum
Join Date: Mar 2009
Location: Morpeth
Posts: 2,539
Car(s): BMW 116d Regional Toner Sales Edition
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I hear evotune's rollers read high, especially for silver cars?
trolololololol
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12th August 2014, 15:54
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#6
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Saxperience Hardcore!
Join Date: Mar 2008
Posts: 31,278
Car(s): Citroen Saxo VTS, S60 D5
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__________________
Quote:
Originally Posted by jeffchiz
lol because you are a brand fag
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12th August 2014, 15:57
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#7
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Saxperience Forum Bum
Join Date: Mar 2009
Location: Morpeth
Posts: 2,539
Car(s): BMW 116d Regional Toner Sales Edition
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Quote:
Originally Posted by Prickle
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hahaha
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12th August 2014, 16:24
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#8
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Quote:
Originally Posted by D4MJT
I hear evotune's rollers read high, especially for yellow bmw cars?
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Fixed.
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12th August 2014, 18:46
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#9
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Saxperience Post Whore
Join Date: Jul 2011
Location: Newcastle upon Tyne
Posts: 7,779
Car(s): Phase 2 VTS , E61 M5
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anything less than 120bhp is homosexual
__________________
Turtle neck, with another on deck, 'case I spill something on it, like some light beer, check!
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12th August 2014, 19:54
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#10
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L-plater
Join Date: Jun 2014
Posts: 94
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Wayne schofield from chip wizards can map a standard ecu for bodies or turbo. Very helpfull if u contact him.
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12th August 2014, 23:17
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#11
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Quote:
Originally Posted by Duffy Xsi
Wayne schofield from chip wizards can map a standard ecu for bodies or turbo. Very helpfull if u contact him.
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Has he figured out how to get the temperature gauge working on Omex yet?
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13th August 2014, 09:29
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#12
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Established Member
Join Date: Dec 2010
Location: Aberdeen
Posts: 2,129
Car(s): Race: 106 Rallye 16v. Road: Mercedes Vito 120 CDI
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Quote:
Originally Posted by Ross
Rough BHP would be 160 on an honest dyno - more obviously if you go to a quote-me-happy place. And there's plenty of em...
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I see your 160bhp and i'll raise you to 165-170bhp.
Any info on pistons used? Hi comp ones i presume?
My old old engine made 166bhp with 708's & GRX R1000 TB's on a non quote me happy RR so with the addition of hi comp pistons and a ported head i'd expect more than 160bhp.
My last engine made 192bhp with bent valves on a dyno before being stripped down, my new engine will make...
Last edited by Dave_P; 13th August 2014 at 09:32.
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13th August 2014, 09:46
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#13
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Super Moderator
Join Date: Nov 2009
Location: Cambridge(ish), UK.
Posts: 10,581
Car(s): BMW 5x M50d.
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Quote:
Originally Posted by Dave_P
I see your 160bhp and i'll raise you to 165-170bhp.
Any info on pistons used? Hi comp ones i presume?
My old old engine made 166bhp with 708's & GRX R1000 TB's on a non quote me happy RR so with the addition of hi comp pistons and a ported head i'd expect more than 160bhp.
My last engine made 192bhp with bent valves on a dyno before being stripped down, my new engine will make...
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I'm presuming not forged as op said "standard bottom end". 160-165 is about where it'll be
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