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If you are looking to take a Sprint to the next level I would agree you could go as far as you want in terms of modifications.
For me I am happy with its performance and it’s current reliability.
Nothing wrong with that. The only question is, is adjusting the carbs and ignition properly a modification and taking a car to a next level?
There are some hp's lost and that is caused by a wrongly adjusted engine. 100 men say they can set a Weber and actually 2 of these 100 can. It's easy to overfuel or too lean out the engine with these carbs and not notice that directly by driving. Does your dyno man has an AFR reading also of the run or at cruising 50km/u, 80km/u and 120km/u?
A too rich engine will wear the cylinders because the excess fuel washes the oil away from the cylinderwall making rings wear quickly. A too lean mixture will have a too hot combustion.
Such a power measure run is done in top gear from low speed in one go to max but doesn't say or show anything how things are setup. It's not about trying to squeeze out maximum power but adjusting all to optimum and as a bonus you will have the maximum power.
A lack of power does show me a not properly adjusted engine what can cause premature wear or engine trouble.
Jeroen
Hi Jeroen
I quite agree with you.
We are all different I guess. For me it’s about having the car set up so it runs reliably, does not over heat, has a degree of power near name plate and is usable.
If I was a numbers man I would agree with you completely.
However it does about 1500 miles a year, gets the best oils, is probably over serviced, and a few upgrades each Spring time.
Keeps me happy.
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