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Pontiac of the Month

360Rocket's 1970 GTO

2019 March
of the Month

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Well My 73 has been in several trims & this one is the current one. In it now is a 400 + .30 which is a 413. I have TRW forged piston with factory rods that have been shot peened & buffed. I run a set of E-heads & a RA IV cam from Crane. I also run a Q-jet with the Pretronix ign. I have RA IV exhaust manifolds & a Performer RPM intake.  The engine puts out right at 445 HP & the 373-1 rear end help it get up & go. It has posi to.  I had my 455 + .30 over which was a 462 but I kept having trouble  keeping bearing in it.  The last time I put new bearings in it they went out even faster then the last time at about 400 miles. I took it to machine shop I had used in the past & I found out that the other guys didn't line hone it correctly when I had the 4 bolt caps put in & it was way out. I paid for a bunch of things to be done & most didn't get done & cost me a lot in the long run.  But the car went 11:77 at 121 mph with it but it wouldn't stay together very long. I now have it to my old shop & the new build for it is a 455 + .60 over . I now have Ross light weight forged pistons, eagle  H-beam forged rods Gapless rings & a new Eagle crank. I'll be using the E-heads after they get reworked along with ??? maybe a roller cam & lifter. But the way the RA IV caCrane worked I may use it again. The RA IV exhaust manifolds will go back on to, along with the Performer RPM intake & Q-jet.  The trans is an M-22 with the 373-to-1 rear end it goes great. There are some pics of the car on the interior mods section , But I'll post a few here to. 

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As I said in the other post, a very unique and spectacular ride!

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