138.9 twin cam new build
21 posts
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As another data point, from my street engine:
Camshafts: 0.44" lift (both)
Duration: 250 degrees (@.050)
Valve size: 1.625 intake 1.375 exhaust
10.25 compression ratio
Pump gas: 91 octane (R+M/2) equivalent to ~95 RON (Australia and elsewhere)
7000 redline
181 hp @ 6900
143 lb-ft @ 5100 (~flat 4000-7000)
(1.7 liter stroked twincam)
Camshafts: 0.44" lift (both)
Duration: 250 degrees (@.050)
Valve size: 1.625 intake 1.375 exhaust
10.25 compression ratio
Pump gas: 91 octane (R+M/2) equivalent to ~95 RON (Australia and elsewhere)
7000 redline
181 hp @ 6900
143 lb-ft @ 5100 (~flat 4000-7000)
(1.7 liter stroked twincam)
'69 Elan S4 SE
Street 181 BHP
Original owner
Street 181 BHP
Original owner
- 1owner69Elan
- Fourth Gear
- Posts: 897
- Joined: 16 Jun 2015
kevin61 wrote:Hi Graeme,
It certainly looks the bis! bet your looking forward to getting on the rolling road!!
K.
Not sure it will need much tinkering as the engine builder has run it in on his dyno
Graeme
S4 SE
S2 GTS
Caterham 420R
Sold - Peterson JPS Exige
S4 SE
S2 GTS
Caterham 420R
Sold - Peterson JPS Exige
-
661 - Coveted Fifth Gear
- Posts: 1278
- Joined: 29 Mar 2012
21 posts
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