Hey buddy, your engine is upside down! My latest effort is a vintage Monogram Porsche 904 Carrera GTS racer which I have augmented with the 3.2l flat six engine from a later 911. The engine and transaxle actually fit with only minimal modification to the chassis pan. The rear suspension also fit around the vastly larger engine without a lot of drama. The brake backing plates and hubs needed substantial work to accept the 15” Fuchs alloy wheels intended for the 911. The 911 also uses a staggered wheel sizing whereas the 904 used four laughably small 13” wheels.
It was while taking this picture of the engine and rear suspension glued into chassis that I realized I was supposed to PAINT the chassis before assembly! Yikes! One epic masking job later, the car is now Graphite Grey. This old Monogram kit is best described as “challenging” so I will see what adventures await as I begin final assembly. More photos to come
-Ross
Shenandoah Valley Modelers 
A 904 with the Flat 6 was called a 906. The kit could be either the old Aurora kit from 1964 or the Slot Car with a “slug plate” chassis. From the looks of your build, it is the Aurora kit. The Slot car version had a basically a one piece cockpit tub.
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Mark, you are correct about the 906. But I like doing things the hard way, so I’m modifying an old Monogram 904 kit. The engine and transaxle are from a new Revell 911 3.2l Carrera coupe along with the wheels and tires. The induction set-up is a kitbash of Stromberg 97s with aluminum tube stacks meant to look like an ITB. The exhaust manifolds are chopped down small block ford headers with one runner per side cut off. I did say I like to do stuff the hard way…
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