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Search took 0.01 seconds. Search: Posts Made By: Pontiac Derek
Forum: Pontiac - Street 06-23-2023, 12:09 PM
Replies: 80
Views: 2,624
Posted By Pontiac Derek
Yes, just look at boost like a multiplier, more...

Yes, just look at boost like a multiplier, more power NA= more power procharged/roots/whipple/turbo etc
Forum: Pontiac - Street 06-22-2023, 09:03 PM
Replies: 80
Views: 2,624
Posted By Pontiac Derek
It would definitely benefit from the Northwind,...

It would definitely benefit from the Northwind, but you can also do pretty well with a Ported torquer 2
We consistently made 635-665hp 650-672tq with the Road Paver cam 1.65 rockers 505-535, 10.3:1...
Forum: Pontiac - Street 06-22-2023, 08:58 PM
Replies: 80
Views: 2,624
Posted By Pontiac Derek
Thank you Lee! Yes i am taking work now ...

Thank you Lee! Yes i am taking work now
503-808-0559 engineguy535@gmail.com
Forum: Pontiac - Street 01-28-2023, 11:53 PM
Replies: 12
Views: 961
Posted By Pontiac Derek
Thank you yeah I have no doubt it will have no...

Thank you yeah I have no doubt it will have no trouble smoking the tires until I let off the throttle! And it still has AC, the older I get the less I want something that is extremely rowdy for my...
Forum: Pontiac - Street 01-28-2023, 08:13 PM
Replies: 12
Views: 961
Posted By Pontiac Derek
Thank you! Much appreciated! I hope you are well!

Thank you! Much appreciated! I hope you are well!
Forum: Pontiac - Street 01-28-2023, 03:22 PM
Replies: 12
Views: 961
Posted By Pontiac Derek
First build post in almost a decade, here is my 490 street engine

It’s been a long time since I frequented the PY forum but 2 back surgeries a busy shop and 5 kids has that effect but thought I’d share my personal 490 I’m building for my 1973 luxury lemans,...
Forum: Pontiac - Street 09-04-2022, 02:21 AM
Replies: 93
Views: 20,956
Posted By Pontiac Derek
Beautiful job Paul I love it. I hope you’re doing...

Beautiful job Paul I love it. I hope you’re doing well.! I built an almost identical motor with Dave’s CNC ported 670 heads 9.5:1, 459cid 1967 iron intake just port matched with Dave’s old faithful...
Forum: Pontiac - Street 03-09-2022, 06:34 PM
Replies: 92
Views: 11,945
Posted By Pontiac Derek
Cool, and again with a larger intake port E-head...

Cool, and again with a larger intake port E-head they work better than with a 165cc iron head,
Regardless it is just the way I do things, I’ve learned that short seat timing camshafts just don’t do...
Forum: Pontiac - Street 03-09-2022, 06:14 PM
Replies: 92
Views: 11,945
Posted By Pontiac Derek
Your saving grace is having a good flowing set of...

Your saving grace is having a good flowing set of E-heads on there, what rpm was peak hp?
Forum: Pontiac - Race 02-16-2022, 09:23 PM
Replies: 24
Views: 3,061
Posted By Pontiac Derek
FYI you can get SGI forged crankshafts for 621$...

FYI you can get SGI forged crankshafts for 621$ Shipped through their eBay store, best deal I could find
Forum: Pontiac - Street 02-16-2022, 02:09 PM
Replies: 13
Views: 1,703
Posted By Pontiac Derek
If that is a stock engine it’s never been...

If that is a stock engine it’s never been machined can you measure how far down the piston is in the bore at top dead Center? I’d like to know
Forum: Exhaust TECH 08-15-2021, 07:27 PM
Replies: 42
Views: 18,614
Posted By Pontiac Derek
1970 455, 4.195 bore, 4.25 stroke 6.8 rod,...

1970 455, 4.195 bore, 4.25 stroke
6.8 rod, 10.25:1 compression
Hand ported E heads that Dave Bishop machined for 2.20in 1.74ex valves flowed 322in 244ex
Dave's old faithful 235-245 .636in .582ex...
Showing results 1 to 12 of 12

 
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