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it start out as i wonted to get shoot of the vis/plem as mine was dead anyway and i did not wont to pay £600 for a new plem and possible in a few years time have it go again so ive ended up with what i have now lol |
Whatever the gain is it's a win/win situation. Like you rightly say you are now shot of the dodgy vis and plenum. If all goes smoothly and the results are better than expected this sort of modification would be a blessing in disguise if it could be replicated.
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My previous 180 had Janspeed manis, sports cat and cat back. It had ITG maxogen and piper cams and a Dastek unichip and that made 203bhp on it's final run. I'm just about to buy Ralphs MK2 ZS 180 and his has the original Sport and Racing janspeed manifolds, standard cat, x-power back box and open cone in the wing and that made 204bhp using a decat pipe. It's uncertain as to whether any modifications have been done internally though as this was originally a development car for the sprintex supercharger. It's possible the MG S&R put cams in it or flowed the head to gain those figures |
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Flywheel figures are always a bit hit and miss. I would only go by the at wheels figure, which for cams with minor mods should be in the region of 175bhp@wheels.
A std supercharged zs 180 with no mods whatsoever puts out 190bhp@wheels adding filter and catback exhaust sees this climb to 210/215bhp@wheels. Never the less, Steves throttle bodied car should see 190bhp@wheels. |
a good supercharged car put out 229 atw ;)
one to be replicated shortly... sorry thread hijack lol. |
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Nope, the wheel figure is the most accurate, as the flywheel figure is worked out from it, so there will be drivetrain losses to equate for.
To be totally accurate, the engine would need to be removed and placed on an engine dyno. |
good news
engine going back in next week :clap2: |
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