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Author Estimated power figures please
drunkenfool
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Registered: 7th Feb 03
Location: Hereford Drives: Audi R8 V8
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14th Jun 05 at 18:02   View User's Profile U2U Member Reply With Quote
Just as a rough guide, what sort of power do you think a C20XE with Jenvey DTH TB's, Emerald ECU mapped by one of the best with probably 8krpm limit, cams (not sure quite which ones yet, but they require pocketed pistons which is also being done), vernier pulleys, ported and polished head, bronze valve guides, new valve springs, ARP rod bolts, full stainless 2.25" straight through exhaust, ad a 4-1 manifold produce?
broster
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Registered: 6th Dec 02
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14th Jun 05 at 18:03   View Garage View User's Profile U2U Member Reply With Quote
180-190bhp
Joff
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14th Jun 05 at 18:04   View User's Profile U2U Member Reply With Quote
Weber quote 180 on their Alpha TBs with the out of the box map on a standard XE.

You should tip 200 with that spec.
Joff
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14th Jun 05 at 18:04   View User's Profile U2U Member Reply With Quote
All depends on the rev limit.
drunkenfool
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14th Jun 05 at 18:06   View User's Profile U2U Member Reply With Quote
its pretty similar to the TP225 kit that SBD have, or are those figures a bit over optimistic?
stuartmitchell
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14th Jun 05 at 18:06   View User's Profile U2U Member Reply With Quote
200bhp with rev limit set to 8k
drunkenfool
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14th Jun 05 at 18:07   View User's Profile U2U Member Reply With Quote
http://www.sbdev.co.uk/Taper%20Kits/TP225_Kit/TP225_Kit.htm
broster
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14th Jun 05 at 18:07   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by drunkenfool
its pretty similar to the TP225 kit that SBD have, or are those figures a bit over optimistic?


didnt someone say that those figures are quoted using an american standard so they are a tad high? think it was j1400
iceman
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14th Jun 05 at 18:37   View User's Profile U2U Member Reply With Quote
ive got 200bhp running standard pistons, cams and limitor set at 7.5k so i think around the 210bhp mark
timrud_
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14th Jun 05 at 18:38   View User's Profile U2U Member Reply With Quote
200 if your lucky...
iceman
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14th Jun 05 at 18:42   View User's Profile U2U Member Reply With Quote
providing the engine is pushing out around the 150 as standard the throttle bodies and management should put u up to 180 the i would expect from cams, headwork and spot on timing with the limit at 8k i would be a little worried if you was under 200bhp
Adam_B
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14th Jun 05 at 18:50   View User's Profile U2U Member Reply With Quote
i would want over 200
drunkenfool
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14th Jun 05 at 18:51   View User's Profile U2U Member Reply With Quote
Im hoping for around 215 with all the work done, gonna have to wait and see though i guess!
iceman
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14th Jun 05 at 19:06   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by drunkenfool
Im hoping for around 215 with all the work done, gonna have to wait and see though i guess!



i rekon 210ish if you dont get this something is wrong
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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14th Jun 05 at 20:27   View User's Profile U2U Member Reply With Quote
ALL DEPENDS ON THE FUCKING CAMS

sorry....

but it should be over 200bhp easily... if the cams are 278+
drunkenfool
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14th Jun 05 at 20:40   View User's Profile U2U Member Reply With Quote
will find out and get back to you, i know they are aggressive enough to need the pocketed pistons though.
Joff
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14th Jun 05 at 20:44   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by drunkenfool
its pretty similar to the TP225 kit that SBD have, or are those figures a bit over optimistic?


TP225 would be a dyno engine figure, quite accurate, but not in the "real" world.
LingardGSI
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Registered: 30th Dec 04
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14th Jun 05 at 20:53   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by stuartmitchell
200bhp with rev limit set to 8k


Would that not blow the bottom end to bits!!!!!
Joff
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14th Jun 05 at 20:54   View User's Profile U2U Member Reply With Quote
Nah, only 1k higher than standard. Should be happy for a while...
LingardGSI
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14th Jun 05 at 20:55   View User's Profile U2U Member Reply With Quote
ha ha not for long i have seen it all before! bottom end lol
drunkenfool
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14th Jun 05 at 22:29   View User's Profile U2U Member Reply With Quote
what bottom end work will need doing? lightened and balanced crank? Anythign else?
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
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14th Jun 05 at 22:32   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by drunkenfool
what bottom end work will need doing? lightened and balanced crank? Anythign else?


Be good to get a set of heavy duty big end bearings, ARP's steel rods, and what ever else you could affird
bradfincham
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Registered: 20th Sep 02
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15th Jun 05 at 09:55   View User's Profile U2U Member Reply With Quote
i guess james has been given you ideas then!!

Sounds a good spec id say just over 200 bhp
SteveW
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15th Jun 05 at 09:58   View User's Profile U2U Member Reply With Quote
just to be a cunt im gonna say

197.8 BHP

but yeah you will be right on doorstep of 200 for sure
jr
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Registered: 20th May 02
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15th Jun 05 at 09:59   View User's Profile U2U Member Reply With Quote
196 bhp

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