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Dave's been around since before the dinosaurs, i've been around since the spice girls, but with all due respect to Dave and Emerald he doesn't build F4R engines - i do and a true 225bhp on a stock bottom end NA is impossible! BIGASH's is 210 with high comp pistons and the same cams as you, tonys...
Oh i agree with the stock insides bit, but if you build a "proper" engine properly there shouldn't be an issue!
With that setup Hoofy there's no way its 225bhp, its not actually possible! real world that'll be (as you say on your page) 205-210bhp range
S.Diesel if its you that has been ringing me about the old style one, i've spoken to the manufactures this morning and i would need to order 5 minimum, therefore the old one is not going to happen, new style only