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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
amcmike
Forum:
Pontiac - Street
07-31-2022, 09:47 PM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,959
Posted By
amcmike
Drive with the new gears first. Once you get a...
Drive with the new gears first. Once you get a feel, I think you'll want to keep the bottom end torque that the U cam is giving you hauling 4500lbs. In which case, the 2800 would probably be a...
Forum:
Pontiac - Street
07-26-2022, 08:03 AM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,959
Posted By
amcmike
It's a bit complicated, but I'll try to simplify....
It's a bit complicated, but I'll try to simplify.
The GENIII passenger vehicles (Corvette, Firebird, etc.) were in the low-mid 10s with aluminum block/heads premium. The small engine trucks...
Forum:
Pontiac - Street
07-25-2022, 06:19 PM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,959
Posted By
amcmike
Actually it is, and today's OEMs do. Modern...
Actually it is, and today's OEMs do.
Modern engines use much higher compression ratios, enabled by direct injection. The higher SCR increases efficiency even at part throttle, thus increasing...
Forum:
Pontiac - Street
07-24-2022, 09:45 AM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,959
Posted By
amcmike
Start with the gears, it'll make a huge impact.
Start with the gears, it'll make a huge impact.
Forum:
Pontiac - Street
06-29-2022, 09:48 PM
Replies:
24
Timing curve / vacuum advance on low comp 400
Views:
5,070
Posted By
amcmike
Slow the centrifugal curve to be all in at...
Slow the centrifugal curve to be all in at 2700-3000rpm (you have it way too quick). Then drive it with the vacuum connected to see if you get part throttle knock. If it does, keep removing vacuum...
Forum:
Pontiac - Street
06-23-2022, 10:43 PM
Replies:
95
Lobe Separation Angle Explained?
Views:
18,704
Posted By
amcmike
Hence why it's best to choose a camshaft based on...
Hence why it's best to choose a camshaft based on valve opening/closing events. LSA (aka LCA) and advance are just reference to calculating those events.
Forum:
Exhaust TECH
05-06-2022, 08:50 PM
Replies:
52
Muffler recommendations
Views:
14,056
Posted By
amcmike
I can't say the source of the data, but there's...
I can't say the source of the data, but there's this floating around the internet. https://www.forabodiesonly.com/mopar/attachments/muffler-flow-rates-jpg.1715284008/
Forum:
LS Talk
05-01-2022, 06:30 PM
Replies:
8
U-Haul engine in 25' truck?
Views:
3,062
Posted By
amcmike
Depends on the year. 2020 they replaced the V10...
Depends on the year. 2020 they replaced the V10 with the 7.3L pushrod V8.
Forum:
Pontiac - Street
04-08-2022, 11:19 AM
Replies:
16
Timing curve
Views:
2,539
Posted By
amcmike
I believe the older generation D ports like 36...
I believe the older generation D ports like 36 total and the newer like around 32 degrees. So makes sense.
Forum:
Pontiac - Street
03-10-2022, 04:58 PM
Replies:
98
Paint jail, who's with me?
Views:
15,442
Posted By
amcmike
haha! I was thinking similar. It's more like a...
haha! I was thinking similar. It's more like a paint time out corner :-)
Forum:
Pontiac - Street
03-03-2022, 07:05 PM
Replies:
21
Setting timing
Views:
2,376
Posted By
amcmike
If the camshaft has a lot of overlap, it'd...
If the camshaft has a lot of overlap, it'd probably like a decent amount of initial. The R2R comes with the 21* limiter installed. So, I'd go ahead and install the black limiter (18*) along with 1...
Forum:
Pontiac - Street
12-27-2021, 11:23 PM
Replies:
23
K & N Xtreme air filter lid.
Views:
5,069
Posted By
amcmike
Looks like the wife's going to be missing a salad...
Looks like the wife's going to be missing a salad bowl soon...:D
https://www.dailymotion.com/video/x693421
Forum:
67-69 Firebird TECH
06-02-2021, 03:34 PM
Replies:
6
Coil spring question
Views:
1,701
Posted By
amcmike
The original OHC6s were pretty heavy (similar to...
The original OHC6s were pretty heavy (similar to a SBC), but so are the all-iron Pontiac V8s (like a BBC). Unless you've lightened it with aluminum intake, al heads, tubular headers, etc. should be...
Forum:
67-69 Firebird TECH
04-27-2021, 07:16 PM
Replies:
17
68 Firebird Convertible 200-4R Install
Views:
5,205
Posted By
amcmike
https://shiftworks.com/collections/conversion-kits...
https://shiftworks.com/collections/conversion-kits/products/1968-81-firebird-factory-shifter-conversion-kit
Forum:
67-69 Firebird TECH
12-14-2020, 09:54 PM
Replies:
39
Leaf spring and rear shocks?
Views:
6,175
Posted By
amcmike
I'd just drop the front 1" instead (watch your...
I'd just drop the front 1" instead (watch your header clearance) rather than raise the back.
Forum:
THE LOBBY
12-05-2020, 07:38 PM
Replies:
24
Private Messages
Views:
1,586
Posted By
amcmike
I only have 150 allowed :-( ...
I only have 150 allowed :-(
https://i.imgflip.com/4p7z1f.jpg
Forum:
67-69 Firebird TECH
11-19-2020, 11:23 PM
Replies:
1
Which spark plugs would you choose?
Views:
1,082
Posted By
amcmike
Well, if the heads are original to the 1965...
Well, if the heads are original to the 1965 engine, AC Delco R45S would have been used and gapped at .035" due to the points.
I'd probably also go one step colder than stock, and use a R44S to...
Forum:
THE LOBBY
06-12-2020, 10:56 PM
Replies:
70
a rebuilt salvage title
Views:
6,464
Posted By
amcmike
Typically, if you claim it through insurance and...
Typically, if you claim it through insurance and deem it a total loss, the car becomes their property. And by law they can only sell it (back to the owner or otherwise) with a salvage title.
Forum:
Suspension TECH
03-18-2019, 03:18 PM
Replies:
8
Semi-grabbing 10 bolt rear drums?
Views:
723
Posted By
amcmike
When's the last time you've had the fluid flushed...
When's the last time you've had the fluid flushed and replaced?
Forum:
Suspension TECH
03-06-2019, 12:09 PM
Replies:
23
If I could do one thing
Views:
1,224
Posted By
amcmike
As mentioned used sway bar from a T/A is biggest...
As mentioned used sway bar from a T/A is biggest bang for buck, even though you already replaced bushing on the stock one.
If you haven't changed your body mounts yet, find some aluminum (you'd be...
Forum:
Suspension TECH
06-19-2010, 03:01 PM
Replies:
5
26" VS 27" Tires
Views:
675
Posted By
amcmike
Take that old magazine article with a grain of...
Take that old magazine article with a grain of salt. I've seen that before, and found discrepencies. For instance, the ideal backspacing on a 1st gen camaro is 5.5" on a 9.5" rim. Plus, a 275/40...
Forum:
Pontiac - Street
10-03-2008, 08:36 PM
Replies:
17
Air/Fuel Ratios
Views:
1,618
Posted By
amcmike
Idle: Best vacuum reading (can be as high as...
Idle: Best vacuum reading (can be as high as 16:1)
Cruise: Best vacuum reading (as lean as possible without bucking) can also be as high as 16:1
Moderate loads: 13:1 - 13.5:1 @ moderate load (not...
Showing results 1 to 22 of 22
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