Hill climb engine modifications for Road Cars
Discussion
Currently looking at setting up a car in the road going class to do hill climbs with.
Car in question is a Volvo 66. Ideally I really want to change the cylinder head of the engine to an improved one (Renault Gordini), it was a standard modification at the time, the modification is homologated however, the rules state:
"the cylinder block and cylinder head must remain in the original position and be externally identifiable as that fitted to the original model or specified option."
The engine in these cars is a renault engine, but the standard head doesn't flow as well as the one from the renault, i don't think it was available from the factory on the Volvo. There are several instances of it which are homologated though, i don't know but I could look and I wouldn't be surprised if there was an instance of one of the factory works cars having the head. Would any of these make it possible to install it and still be ok in the Road Cars class?
I'm just trying to avoid being forced into the Modified class as that's opening a large can of worms and I can quickly see budget going out of the window!
Car in question is a Volvo 66. Ideally I really want to change the cylinder head of the engine to an improved one (Renault Gordini), it was a standard modification at the time, the modification is homologated however, the rules state:
"the cylinder block and cylinder head must remain in the original position and be externally identifiable as that fitted to the original model or specified option."
The engine in these cars is a renault engine, but the standard head doesn't flow as well as the one from the renault, i don't think it was available from the factory on the Volvo. There are several instances of it which are homologated though, i don't know but I could look and I wouldn't be surprised if there was an instance of one of the factory works cars having the head. Would any of these make it possible to install it and still be ok in the Road Cars class?
I'm just trying to avoid being forced into the Modified class as that's opening a large can of worms and I can quickly see budget going out of the window!
So, the head in question came from a renault gordini engine. The benefit of it is it is crossflow (so already its quite obvious that the carb and exhaust are suddenly on opposite sides!). The engine itself is a renault cleon fonte engine, these were fitted as standard to the DAF/VOLVO. It's just they only had the standard heads but the better head to fit is the head from a renault gordini (same engine, just performance tuned so a better flowing head). I don't think DAF/VOLVO offered them as a factory option.
What would you need as proof? I expect a sales brochure detailing available options?
If you look at the available homologattion papers on the fia website of homologated cars, almost all the DAF 66 and Volvo 66 have detailed the modification of the cylinder head change. But I'm guessing this gets me nowhere?
What would you need as proof? I expect a sales brochure detailing available options?
If you look at the available homologattion papers on the fia website of homologated cars, almost all the DAF 66 and Volvo 66 have detailed the modification of the cylinder head change. But I'm guessing this gets me nowhere?
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