mfg Posted January 2 Report Posted January 2 (edited) What item found on Studebaker/Avanti V8 engines was commonly pirated by owners of hot rodded early Cadillac V8’s? P.S. HAPPY NEW YEAR !!!! Edited January 2 by mfg Added P.S.
mfg Posted January 2 Author Report Posted January 2 On 1/2/2025 at 2:22 PM, Gunslinger said: The coolant expansion tank on top of the engine? Expand Good guess, but not ‘it’ !!
mfg Posted January 2 Author Report Posted January 2 On 1/2/2025 at 8:59 PM, murph the surf said: The intake manifold.. Expand No, not the intake …. Actually, it was the Studebaker boys who pirated early Cadillac V8 manifolds, especially the dual quad and triple types.
murph the surf Posted January 2 Report Posted January 2 On 1/2/2025 at 9:39 PM, mfg said: No, not the intake …. Actually, it was the Studebaker boys who pirated early Cadillac V8 manifolds, especially the dual quad and triple types. Expand Thanks for that..I remember having heard something at one point about manifold interchangeability, so that makes sense considering Cadillac's 2X4 and 3X2 setups vs Studebaker's
mfg Posted January 2 Author Report Posted January 2 On 1/2/2025 at 9:48 PM, murph the surf said: Thanks for that..I remember having heard something at one point about manifold interchangeability, so that makes sense considering Cadillac's 2X4 and 3X2 setups vs Studebaker's Expand Yes Murph, I understand the early Caddy manifold is a close, but not a direct swap, requiring a bit of intake port ‘massaging’, and slotting of the manifold bolt holes. Still, it amazes me how similar the two engines were externally…. and pretty easy to understand how many rodders (back then) created Studillacs!!
mfg Posted January 3 Author Report Posted January 3 Time for a hint?…OK!….. Internal engine part!!!!!
Dwight FitzSimons Posted January 3 Report Posted January 3 The crankshaft and rods interchange (maybe with some massaging). --Dwight
mfg Posted January 3 Author Report Posted January 3 On 1/3/2025 at 10:34 PM, Dwight FitzSimons said: The crankshaft and rods interchange (maybe with some massaging). --Dwight Expand Wow… Crank and rods!!… Sorry no, ‘it’ is much smaller than those items!
Mark63Avanti Posted January 3 Report Posted January 3 If they're swiping it off the Avanti for an early Cadillac then the aluminum timing gear?
regnalbob Posted January 4 Report Posted January 4 They used the rocker arm assemblies so they could use solid lifters.
mfg Posted January 4 Author Report Posted January 4 On 1/3/2025 at 11:49 PM, Mark63Avanti said: If they're swiping it off the Avanti for an early Cadillac then the aluminum timing gear? Expand The Studebaker engineers had one up on their Cadillac counterparts by utilizing a timing gear as opposed to a chain…. However, that isn’t the part we are looking for here.
mfg Posted January 4 Author Report Posted January 4 On 1/4/2025 at 12:03 AM, regnalbob said: They used the rocker arm assemblies so they could use solid lifters. Expand Solid valve lifters and stiffer valve springs, along with a performance camshaft, gave a much higher RPM range… As the early Cadillac V8 used hydraulic lifters and non- adjustable rocker arms, Caddy hot rodders were pleasantly surprised when they found Studebaker adjustable rocker arms would fit the Cadillac engine, allowing the use of solid valve lifters, and all the rest!
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