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Anyone else owned a Cosworth.(Spending all my time answering threads.)What type and comments.I'll post mine again even tho it's in the other thread.
1988 Sierra Sapphire 2wd.Chipped with 15psi boost.Exhaust on it when purchased 4inch front pipe from turbo to 3inch strait big bore.I changed this later due to NOISE!!!! level to a twin 2.5 inch system similar to oringinal that reduced to 3 inch single outlet but kept 4 inch front pipe.Other than Cosworth's Porche's etc not many cars were as quick.I never tested top speed but me thinks 250 kph should have been no prob.I guess today there are many cars as quick as that.
1988 Sierra Sapphire 2wd.Chipped with 15psi boost.Exhaust on it when purchased 4inch front pipe from turbo to 3inch strait big bore.I changed this later due to NOISE!!!! level to a twin 2.5 inch system similar to oringinal that reduced to 3 inch single outlet but kept 4 inch front pipe.Other than Cosworth's Porche's etc not many cars were as quick.I never tested top speed but me thinks 250 kph should have been no prob.I guess today there are many cars as quick as that.