400HP
When building a Pontiac 400 or really; any Pontiac engine on the cheap you need to look at few things; namely the camshaft and exhaust. If you’re running anything lower than 8.5:1 you’ll want to increase compression to 9-9.5:1 by changing pistons or changing the heads. The gains are assuming you’re using a standard Pontiac […]
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The turbocharged 2.5-liter five-cylinder is said to be tuned from the RS3 Sportback's 362 hp to over 400 hp, giving it enough performance to match the BMW M3. Power will still be sent through all four wheels through a seven-speed S-Tronic transmission.
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