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Re: 150 HP Cams

To: PHILLIPBABCOCK <PHILLIPBABCOCK@worldnet.att.net>
Subject: Re: 150 HP Cams
From: Michael and Betty Braun <elan66@ccia.com>
Date: Thu, 06 Aug 1998 14:42:15 -0700
PHILLIPBABCOCK wrote:
> 
> Erik
> The info on the cams (i quoted the wrong lift) Lift = .420 at cam,
> duration 288 degree advertised 248 degree at .050. Base circles Exh =
> 110 degree Intake = 106 degree.
> 
> 128 hp @ rear wheels @6200 (128 @ rear wheels = 150.5 @flywheel)
> 118 lbs @ rear wheels @ 5200, 100 lbs from 3000 - 6400, 110 lbs from
> 4000 - 5800. (118 @ rear wheels = 138.8 @ flywheel)
> 
> If we ever get a scanner I could post some Dyno sheets. You wouldn't
> beleave some of the changes. 4-5 each by cutting 4 inches off my
> collector pipe. 4 each w/o air box. Can't run w/o one here in Fla
> (sand). But do have a K&N filter charger on end of stock flex pipe.
> Really need to build a custom air box.
> 
> The same bottom end but with stock Sprint head and cams was 106.3hp
> @5900 & 101.9 lbs @5000 both at rear wheels.
> 
> Spring, bronze guides, valves all from Dave Bean (Ken) I can supply
> exact part #'s if you want them.
> 
> Hope this is useful info.
> 
> Phil
> 72 Lotus Elan Sprint

All this is interesting stuff. I guess this validates DBE's contention
that this profile cam gives 150 hp.  Is this a 1600 TC? Compression
ratio?  Did jetting and ignition timing alter the ratings much?  I'm not
trying to be nosy, just better educated,

                                        Mike Braun

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