SBC Chevy V8 motor with Tunnel Ram Inlet + Dual Holleys (SUPER-DETAILED). 1/8 TO 1/25 SCALE

Small Block Chevy V8 motor with Tunnel Ram and Quads (SUPER-DETAILED). 1/8 TO 1/25 SCALE (and even in BIG 1/6 SCALE!)

UPDATE: VERSION 1.1B - 19 October 2025 - CYLINDER BLOCK OPTIMIZATION PROCESS TO MAKE SLICING FASTER. Some parts changed for Better slicing and easier printing e.g. exh manifolds and Block. OEM sump added.

Everyone love a good tunnel-ram and dual quads atop a Small Block Chevy V8! Tunnel Rams were for racing and gave straight direct fuel path from carbs to the heads a smoother fuel flow. Performance wise better on top end and fastest quarter miles!

Along with the tunnel ram’s more efficient and direct feed of air and fuel to the motor from a pair of carburetors rather than a single source to bolster performance even further. The Small Block Chevy Race engine with 2x4 tunnel ram intake, makes for a hot looking scale model!

With Choice of Custom Billet Valve Covers + Cast Corvette Style Tappet Covers!

Run the carbs OPEN or with the Hilborn-Style Scoop!

This model represent an Small Block Chevy V8 Engine as would be used for Oval Track Racing, Track Racing, Hot Rods and Drag Racing. Also will be fitting for some Bonneville racers and even speed boats!

About 38 STL Files are included, to make you a impressive and fun to build model, that can be used for display by itself, or fitted to your Hot Rod build. (Some STL Files included are options, making about 35 to print)

A COMPLETELY ASSEMBLED STL FILE IS INCLUDED as to be used as a assembly guide. Designed to be Printed in Both FDM (1/12 Scale and above) and Resin (SLA).

There is also a folder "FOR SMALL SCALES" containing some parts specially for smaller than 1/12th scales. in 1/24 or 1/25 some detailing parts as the "Spark Wire Supports" will have to be omitted if your printer resolution do not allow.

I give the files in Full Size Scale (Real Life Size) so you can scale it easily to your needs and modelling scale in the slicer. Conversion to your required scale is much easier from full size. Example:1/10 Scale will be 10% size in the slicer.

This is an advanced project that require printing of separate parts, almost like a model kit. The parts are so detailed that you can print parts such as Cylinder Heads and Block as diorama models on it's own. To use suitable sized electric wire for spark plug wiring. CNC Styled Spark Plug Wires Holders included!

Small Block Chevy with twin carb tunnel ram intake.
SBC Chevy with Tunnel RAM Set-up
Small Block Chevy with Tunnel RAM + Dual Quads Intake.

Chevrolet Small Block V8 Engine with Tunnel RAM.
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