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Forum: Pontiac - Race

08-21-2020, 01:24 PM

Replies: 23

HO racing’s Pontiac High Performance Engine Design and Blueprint Assembly

Views: 4,247

Posted By Roycroft

Thanks, Ken. We also confirmed there are no...

Thanks, Ken. We also confirmed there are no copyright declarations in the book, and a search of the USA Copyright database isn't giving any hits.

Forum: Pontiac - Race

08-21-2020, 12:43 AM

Replies: 23

HO racing’s Pontiac High Performance Engine Design and Blueprint Assembly

Views: 4,247

Posted By Roycroft

Frank got me sorted. Much, much appreciated.

Frank got me sorted. Much, much appreciated.

Forum: Pontiac - Race

08-19-2020, 11:50 AM

Replies: 23

HO racing’s Pontiac High Performance Engine Design and Blueprint Assembly

Views: 4,247

Posted By Roycroft

Here's the cover. I'm not sure if they reprinted...

Here's the cover. I'm not sure if they reprinted with a different cover, but this is the only one I've seen for the book:

547550

Forum: Pontiac - Race

08-18-2020, 07:52 PM

Replies: 23

HO racing’s Pontiac High Performance Engine Design and Blueprint Assembly

Views: 4,247

Posted By Roycroft

Resurrecting this thread to see does anyone have...

Resurrecting this thread to see does anyone have a PDF copy of Pontiac High Performance Engine Design and Blueprint? I can't find a reprint or original copy from a trustworthy online retailer but...

Forum: 60 & Older Pontiac TECH

08-02-2020, 02:54 PM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

Thanks for the confirmation, Jack.

Thanks for the confirmation, Jack.

Forum: 60 & Older Pontiac TECH

08-01-2020, 02:16 PM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

No, I haven't missed the point. I'm exploring...

No, I haven't missed the point. I'm exploring whether adjusting the pushrod length might be all that is required to make up for any difference in the rocker arm design. I haven't been able to find...

Forum: 60 & Older Pontiac TECH

07-31-2020, 01:21 PM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

Thanks, Rocky. I saw your other posts on the...

Thanks, Rocky. I saw your other posts on the water-neck adapters which will help if I go the route of later heads. I'm penciling out some solutions over the phone with another forum member familiar...

Forum: Big Pontiac(incl G-body)Parts WANTED

07-29-2020, 01:38 PM

Replies: 1

Wanted: 389 Engine for Rebuilding in or Near Colorado

Views: 1,237

Posted By Roycroft

Wanted: 389 Engine for Rebuilding in or Near Colorado

I'm on the hunt for a complete 389 engine for rebuilding. I prefer a 1959 - 1964 but am interested in 1965 - 1966 as well. I prefer to find one in Colorado or southern Wyoming to avoid shipping. If...

Forum: Pontiac - Street

07-29-2020, 02:49 AM

Replies: 5

389 Small Chamber Heads and Larger 1.92 / 1.66 Valves

Views: 2,214

Posted By Roycroft

I'm here to learn, and overthinking and...

I'm here to learn, and overthinking and underthinking are part of my process in finding the sweet spot.:D Outside of most of the machine work, I'm building the engine, so I don't have an engine...

Forum: Pontiac - Street

07-28-2020, 08:32 PM

Replies: 34

Speedmaster heads arrived - have any questions?

Views: 7,420

Posted By Roycroft

I cannot comment on these particular heads, but I...

I cannot comment on these particular heads, but I went through a set of Speedmaster small block Chevy heads for a friend. My advice is to completely disassemble them and clean the heck out of them,...

Forum: Pontiac - Street

07-28-2020, 02:54 PM

Replies: 5

389 Small Chamber Heads and Larger 1.92 / 1.66 Valves

Views: 2,214

Posted By Roycroft

Thanks for the detailed information, Steve....

Thanks for the detailed information, Steve. Running the larger valves in the early heads sounds like a lot more labor and thus higher cost of machining than it might be worth. With my build being...

Forum: 60 & Older Pontiac TECH

07-28-2020, 12:10 PM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

Thanks, Jack. I would definitely have my...

Thanks, Jack. I would definitely have my machinist tap the stud bosses. I just saw your edit from an earlier post about burning oil holes in rockers, which I appreciate. I'm going to post my question...

Forum: Pontiac - Street

07-28-2020, 12:00 PM

Replies: 5

389 Small Chamber Heads and Larger 1.92 / 1.66 Valves

Views: 2,214

Posted By Roycroft

389 Small Chamber Heads and Larger 1.92 / 1.66 Valves

I posted this question over in the pre-1960 section but thought more people in this section might have input. I'm exploring options for maintaining my 1959 389 reverse-flow heads that currently have...

Forum: 60 & Older Pontiac TECH

07-27-2020, 04:16 PM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

I spent the weekend reading a lot about 389 heads...

I spent the weekend reading a lot about 389 heads and valvetrain and have a few more questions. Jack G., #4 is specifically for you.

1) Does anyone have experience using these hollow screw-in...

Forum: 60 & Older Pontiac TECH

07-26-2020, 01:04 PM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

Thanks, buds56. I'm not sure about reusing the...

Thanks, buds56. I'm not sure about reusing the valve springs unless this is a common approach with older 389s. I planned on running new springs and having my machinist check their pressure before...

Forum: 60 & Older Pontiac TECH

07-26-2020, 02:43 AM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

Thanks. I, too, prefer the positive seals and...

Thanks. I, too, prefer the positive seals and will go that route and let my machinist choose brass or iron when I get there.

Forum: 60 & Older Pontiac TECH

07-25-2020, 02:39 AM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

Thanks for the additional feedback and...

Thanks for the additional feedback and confirmation, Jack. I won't be disassembling and inspecting the heads any time soon, but hopefully the seats look good enough and have enough meat for a valve...

Forum: 60 & Older Pontiac TECH

07-25-2020, 12:39 AM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

Thanks for the feedback, 389. I agree on no...

Thanks for the feedback, 389. I agree on no porting for my setup since I don't plan on building the engine to twist enough to flow that much air. I intend on a simple port-matching to smooth out the...

Forum: 60 & Older Pontiac TECH

07-24-2020, 06:41 PM

Replies: 26

1959 Cylinder Head Questions

Views: 5,624

Posted By Roycroft

1959 Cylinder Head Questions

I'm new to the forum and am researching before jumping into my first 389 build. I could use some help regarding the cylinder heads, and a forum search doesn't provide answers. Sorry for all the...

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