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jimbo · 03-02-03, 11:24 AM

Wow. I knew there was a significant difference, but the picture shows it more clearly than any description.
There are at least two GT40s running around with 4cam Ford Indy 256 engines in them, which isn't 4.6 liters but isn't that far off, either. In the one I saw, the heads were swapped side-to-side to put the exhaust ports inside the cylinder Vee, so the exhaust system does not look too much different from that of the pushrod engine car. There are a limited number of 4cam Indy engines around, though, and at 35-45K a copy there are probably better choices. I didn't hear it run, but reportedly the sound is memorable. Photos of Jim Toensing's 4cam GT40 are in David Hodge's book, I believe.

03-02-03, 11:24 AM	#5 (permalink)
jimbo 8 Tenths Join Date: Nov 2001 GT40: annapolis md Posts: 867 Rep Power: 16	Re: use of cobra 4v mod motor in GTD? Wow. I knew there was a significant difference, but the picture shows it more clearly than any description. There are at least two GT40s running around with 4cam Ford Indy 256 engines in them, which isn't 4.6 liters but isn't that far off, either. In the one I saw, the heads were swapped side-to-side to put the exhaust ports inside the cylinder Vee, so the exhaust system does not look too much different from that of the pushrod engine car. There are a limited number of 4cam Indy engines around, though, and at 35-45K a copy there are probably better choices. I didn't hear it run, but reportedly the sound is memorable. Photos of Jim Toensing's 4cam GT40 are in David Hodge's book, I believe.