Speed dating in ventura ca

The lobe-separation angle is 112 degrees, and valve lift is 0.459/0.470 inch using stock replacement shaft-style rocker arms (Sealed Power PN R857) with a 1.55:1 ratio.Using what is perhaps the smallest cam seen in CC this decade, we ran four intakes across the 455: an Edelbrock Performer, an Edelbrock B4B, a TA Performance SP1, and a TA Performance SPX. That’s an opinion long held at CC dating back to the time we swapped an old Electra 225 motor into a Skylark wagon for summer fun, and then again when the Buick beat all comers in the now legendary CC shootout of all the GM corporate big-blocks.Sadly, the state of gearhead living has changed drastically over the last five years, and even here in So Cal, the Buick 455 engine donors just aren’t in the ‘yards or on the streets like they used to be.

The combo is as basic as it can get and easily duplicated.

This month we’ll kick it off with cam and intake testing using stock iron Stage 1-style heads, and next month you’ll see how the iron heads stack up against the Edelbrocks and the entry-level aluminum offerings from TA Performance.

Speaking of TA, we’ve got to thank Mike Tomaszewski over there, as well as local Buick fan (and owner of a 9-second, naturally aspirated GS455) Bruce Kent, both of whom loaned us parts and expertise.

However, they do have some drawbacks, including an old-school 5/64-inch ring pack and a hefty 758-gram weight.

Also, the dished Speed-Pros do not have valve reliefs in ’em, but TA Performance also sells precut pistons for an extra , and that’s what we used.

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