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Port the wastegate hole as recommended. Then, use the HD actuator with a spring or springs between washers on the threaded wastegate rod secured with double nuts. The springs counteract the heavy spring in the HD wastegate allowing for lower cracking (opening) pressures. Apply regulated air...

I, too, wonder what governs the requirement for installed gap other than crankshaft endplay and thermal expansion. A stock flexplate bends away from the crankshaft flange by 3/16, a CAT plate moves outward 5/16, but a JW flexplate is perfectly flat and 3/16 thick. The JW ends up at the same...

Thanks, perhaps I can stop pulling at what little grey hair I have left.

Is a 1/16 to 1/8 gap between converter and flexplate too tight? The flexplate is a JW, the converter is a 9.5 PTC, the converter mounting pads are 1 inch from the trans face. Thanks.

Is it ok to just start my new engine with the stock computer? It has an extender chip for a 231 with p&p irons, 210/210 6265 and 80# inj. The new engine is stroked, 9.5:1, p&p GN1's, 224/224, 6766 and 80# inj (for now). I'm leary about currently investing in an ECU GN for an engine not even...

After the nightmare that Saturday was with the lethal spring compressor, I read your recommendations, and Sunday was a breeze. Thanks, much. I just unbolted the LCA's from the frame, slid the springs in and used the spring compressor at the top. The job was actually quite easy.

Today was lost failing to install stock front coil springs. The rental tool danced off the coils and proved dangerously useless. So, are there any secrets to getting this done short of spending $200 on an OTC 7045 coil spring installer?

Thanks, everyone. The resources that recommended 14 ft lbs seemed wrong. Then, when I tightened the RJC oil pan against the girdle and the cork gasket and Right Stuff oozed out, I knew it was wrong. Ironically, the Right Stuff cleaned up without drama from the pan and girdle. Oh well, it's on...

What is the bolt torque spec for oil pan to block?

If they are still available, I'll buy 'em.

The plate was purchased from Gbody Parts, shipped promptly and was a simple install. Best of all it works great. Thanks to all - boost on.

Does anyone have instructions on how to modify the stock shifter detent plate. This mod is done to prevent inadvertently manually shifting the tranny from 2 to OD or N instead of drive. Thanks

I'm second for the turbo saver lines if you, also, have the -4 fitting/hose for the oil supply to the turbo. How much for the stock fuel lines?

Oops, I didn't see where this was posted.

Location?

Thanks, there will be one more message to Bison. It's great that you guys are so knowledgeable and helpful!

What is the correct placement of the keyway, trigger wheel and timing marks in relation to each other on a BHJ damper? Should common internet advice prevail by ensuring that the edge of the keyway lines up perfectly with the leading edge on the harmonic balancer. Or, should the BHJ tech sheet...

I hoped you would see this. Thank you very much.

My Buick 109 stockblock has pistons with valve reliefs shaped for M&A head valves. Is the valve location of TA aluminum heads similar enough to the M&A head to allow using TA heads instead of M&A on this block? Thanks

My zip code is 53143.