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Posts Made By:
amcmike
Forum:
Performance Parts For Sale/Wanted
09-23-2022, 07:30 PM
Replies:
2
New Summit Competition Harmonic Damper
Views:
1,256
Posted By
amcmike
Deal pending.
Deal pending.
Forum:
Performance Parts For Sale/Wanted
09-23-2022, 07:29 PM
Replies:
5
New Summit Adjustable Billet Double Roller Timing Chain
Views:
1,264
Posted By
amcmike
Sorry, yes just the one. Deal pending.
Sorry, yes just the one.
Deal pending.
Forum:
Performance Parts For Sale/Wanted
09-18-2022, 01:15 PM
Replies:
2
New Summit Competition Harmonic Damper
Views:
1,256
Posted By
amcmike
New Summit Competition Harmonic Damper
Still in their original boxes. Never installed or used for mock-up. Prices do not include Paypal fees or shipping. Shipping from Charleston, SC.
SUM-G6612-B Competition Harmonic Damper ...
Forum:
Performance Parts For Sale/Wanted
09-18-2022, 01:00 PM
Replies:
5
New Summit Adjustable Billet Double Roller Timing Chain
Views:
1,264
Posted By
amcmike
New Summit Adjustable Billet Double Roller Timing Chain
Still in their original boxes. Never installed or used for mock- up. Prices do not include Paypal fees or shipping. Shipping from Charleston, SC
SUM-B654275 Adjustable Billet Timing Chain...
Forum:
Performance Parts For Sale/Wanted
09-18-2022, 12:51 PM
Replies:
0
New Summit Cam 2802 & Lifters
Views:
669
Posted By
amcmike
New Summit Cam 2802 & Lifters
Still in their original boxes. Never installed or used for mock- up. Prices do not include Paypal fees or shipping. Shipping from Charleston, SC
SUM-K2802 (Cam & Lifters) $100
See other...
Forum:
EFI Tech
09-15-2022, 09:25 PM
Replies:
8
EFI tuning guide
Views:
1,787
Posted By
amcmike
Yes sorry I was not very descriptive in my haste,...
Yes sorry I was not very descriptive in my haste, but you deciphered it. It was timing-focused, since I had not read the fuel section yet However it applies there (along with Scott's mention IAT...
Forum:
EFI Tech
09-15-2022, 04:57 PM
Replies:
8
EFI tuning guide
Views:
1,787
Posted By
amcmike
Great information. Some possible feedback...
Great information. Some possible feedback (hopefully I didn't miss anything). And keep in mind, I'm not a Megasquirt user so I don't know all the features.
Ch 2: Didn't see anything mentioned...
Forum:
Pontiac - Street
09-14-2022, 10:02 AM
Replies:
43
455 street cam choice
Views:
7,082
Posted By
amcmike
Cliff, does the "HR112" mean it's a hydraulic...
Cliff, does the "HR112" mean it's a hydraulic roller camshaft? If so, that would be a big difference comparing to a flat tappet hydraulic.
Forum:
67-69 Firebird TECH
08-25-2022, 09:14 AM
Replies:
4
Spare wheel and tire
Views:
1,125
Posted By
amcmike
How old is the spare? Did you upgrade the brakes...
How old is the spare? Did you upgrade the brakes and will the 14" rim still fit? Do you run a posi, and is the spare same diameter as the Rallys?
Forum:
Suspension TECH
08-25-2022, 09:09 AM
Replies:
13
Too many shims....?
Views:
1,603
Posted By
amcmike
Other than things being out of whack, maybe they...
Other than things being out of whack, maybe they were experimenting with more negative camber and just didn't get to the other side? Or it's setup for Circle Track racing.
Forum:
Suspension TECH
08-23-2022, 10:35 AM
Replies:
9
67 Firebird Mono Leaf Spring Question
Views:
1,602
Posted By
amcmike
Powder coating leaf springs can be done, but it...
Powder coating leaf springs can be done, but it has to be well controlled and to the lower end of typical settings to avoid affecting the spring properties; as the coating temperature is very close...
Forum:
Exhaust TECH
08-01-2022, 02:49 PM
Replies:
3
1968 firebird convertible 400 exhaust including tips
Views:
1,446
Posted By
amcmike
The 17739 is a single in/dual out that fits the...
The 17739 is a single in/dual out that fits the 2nd gen. But really meant for a y-pipe to single tube exhaust then dual outlets.
Forum:
Exhaust TECH
08-01-2022, 11:46 AM
Replies:
3
1968 firebird convertible 400 exhaust including tips
Views:
1,446
Posted By
amcmike
Not sure I'm understanding how you plan to use...
Not sure I'm understanding how you plan to use the dynomax muffler? Are you talking about using one in where the muffler sits in front of the tank, like the pypes SGF70?
The dynomax 17553 is...
Forum:
Pontiac - Street
07-31-2022, 09:47 PM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,608
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:
Exhaust TECH
07-27-2022, 12:11 PM
Replies:
26
Any way to lessen the drone at 2000 rpm?
Views:
4,682
Posted By
amcmike
That's an excellent point. In addition to the...
That's an excellent point. In addition to the exhaust itself, the timing of the pulses and volume of exhaust flow relative to engine speed play a role. Therefore exhaust closing point and overlap...
Forum:
Pontiac - Street
07-26-2022, 08:03 AM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,608
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, 09:19 PM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,608
Posted By
amcmike
I should have said, one of the reasons. The other...
I should have said, one of the reasons. The other of course, being emissions (with the exception of particulate emissions, which is actually higher than port fuel).
Forum:
Pontiac - Street
07-25-2022, 06:19 PM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,608
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 - Race
07-25-2022, 01:31 PM
Replies:
34
Progression Ignition Distributor
Views:
9,021
Posted By
amcmike
How are these working for everyone 1-2 years...
How are these working for everyone 1-2 years later? Pretty reliable? Any issues?
Forum:
Pontiac - Street
07-24-2022, 09:45 AM
Replies:
83
4BBL setup on a 2BBL 400
Views:
14,608
Posted By
amcmike
Start with the gears, it'll make a huge impact.
Start with the gears, it'll make a huge impact.
Forum:
67-69 Firebird TECH
07-03-2022, 10:30 AM
Replies:
31
Instrument pod LED lighting
Views:
4,192
Posted By
amcmike
Do they work with the dimmer?
Do they work with the dimmer?
Forum:
Pontiac - Street
06-29-2022, 09:48 PM
Replies:
24
Timing curve / vacuum advance on low comp 400
Views:
4,983
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
06-29-2022, 07:20 PM
Replies:
24
Timing curve / vacuum advance on low comp 400
Views:
4,983
Posted By
amcmike
What's your initial timing without vacuum and @...
What's your initial timing without vacuum and @ what rpm, so we better understand the curve?
Forum:
Pontiac - Street
06-27-2022, 01:55 PM
Replies:
81
Octane vs. ethanol
Views:
9,191
Posted By
amcmike
https://i.makeagif.com/media/10-26-2017/kOGyUJ.gif
https://i.makeagif.com/media/10-26-2017/kOGyUJ.gif
Forum:
Pontiac - Street
06-27-2022, 11:21 AM
Replies:
95
Lobe Separation Angle Explained?
Views:
18,003
Posted By
amcmike
No Pontiac?! :D ...
No Pontiac?!
:D
https://c.tenor.com/rEIOQjLTGQ8AAAAC/greys-anatomy-miranda-bailey.gif
Showing results 1 to 25 of 500
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