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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
joes455
Forum:
Pontiac - Race
04-29-2024, 09:57 PM
Replies:
25
porting went wrong
Views:
1,495
Posted By
joes455
It's the antifreeze that eats epoxy
It's the antifreeze that eats epoxy
Forum:
Suspension TECH
03-26-2024, 10:36 AM
Replies:
10
Opinion on wheel color
Views:
559
Posted By
joes455
400 .090 over forged stroker ,hardblocked,e heads...
400 .090 over forged stroker ,hardblocked,e heads later version,old faithful hydraulic roller,yella terra shaft rockers,th 400,342 screw 11.47@120
Forum:
Pontiac - Race
10-31-2023, 09:08 AM
Replies:
14
Vibration on deceleration
Views:
775
Posted By
joes455
It's a 10 bolt 8.5 no full throttle vibration...
It's a 10 bolt 8.5 no full throttle vibration anywhere in the rpm range ,its just on deceleration from 135 mph( the fastest this car will go)down to about 110mph with just engine braking.When...
Forum:
Pontiac - Street
10-29-2023, 07:52 PM
Replies:
13
Helicoil
Views:
829
Posted By
joes455
Good I just stripped out the big bolt hole for...
Good I just stripped out the big bolt hole for the alternator ,(bolt was too long)Helicoil will be replacing it.
Forum:
Pontiac - Street
09-13-2023, 09:57 AM
Replies:
20
Crankshaft main journal
Views:
1,003
Posted By
joes455
Thanks Hoosier. I have a radius gauge but can't...
Thanks Hoosier. I have a radius gauge but can't find that darn thing.The 060 is with feeler gauge up against the fillet of a good journal and just measuring the height from top of journal to...
Forum:
Pontiac - Street
09-11-2023, 11:55 AM
Replies:
20
Crankshaft main journal
Views:
1,003
Posted By
joes455
The only way this sgli crank will regain the...
The only way this sgli crank will regain the proper fillet is to have it cut down to a 3" and shove it in a 400.umm interesting maybe I'll do that if the shim kit is still available
Forum:
Pontiac - Street
09-11-2023, 08:29 AM
Replies:
20
Crankshaft main journal
Views:
1,003
Posted By
joes455
Crankshaft main journal
So I had a 455 crank ground and noticed one of the mains (thrust) has the fillet missing it was cut out almost square.The radius remaining was less than a ball point pen. All the others were cut...
Forum:
Pontiac - Race
01-08-2023, 07:39 AM
Replies:
26
Head flow revisited by vizard
Views:
3,066
Posted By
joes455
I've always seen flow increase opening mid to...
I've always seen flow increase opening mid to upper portion of the pinch with a stock port.It creates a larger radius from the opening of port to the cylinder side of port.Cutting port to see how...
Forum:
Pontiac - Street
12-20-2022, 11:32 AM
Replies:
15
2.19 intake valve
Views:
1,150
Posted By
joes455
Hey skip thanks I was looking at the same valves...
Hey skip thanks I was looking at the same valves last night.the spec at .344 stem dia.I think my butlers 2.19 spec at 342 I may need to rehone the guides.Thanks for staying on track with the OP. ...
Forum:
Pontiac - Street
07-03-2022, 03:33 PM
Replies:
15
Alternator pully
Views:
1,574
Posted By
joes455
George voltage drop was with the stock 10si .I...
George voltage drop was with the stock 10si .I now have a cs style alternator
Forum:
Pontiac - Street
07-02-2022, 05:31 PM
Replies:
15
Alternator pully
Views:
1,574
Posted By
joes455
Alternator pully
Anyone know where i can obtain a 3" or 3 1/2" pulley.Stock pulley is 2 1/2" and takes too much belt tension to prevent sqeeling using the duralast 1352-6-3 105 amp inwhich destroyed front alt...
Forum:
Pontiac - Race
06-19-2022, 11:04 AM
Replies:
5
New Cliff's converter with a ping
Views:
1,164
Posted By
joes455
New Cliff's converter with a ping
Nothing bad.installed converter and very happy with it .It locks up so nice at max torque that i now have pinging that i didnt previously have, mph also seems higher at 2-3 shift.Pinging is I beleive...
Forum:
Pontiac - Street
04-06-2022, 05:18 PM
Replies:
14
Street tire with good dry traction
Views:
1,107
Posted By
joes455
Thanks everyone,decided to keep the 275/50 nittos...
Thanks everyone,decided to keep the 275/50 nittos 555 on 10" ralley wheels for the street and run the 275/60 mt dr on 8" ralley wheels for track only.I'll have a good dry firm side wall . The 10"...
Forum:
Pontiac - Race
08-03-2021, 04:44 PM
Replies:
16
Chassis dyno results
Views:
2,143
Posted By
joes455
Thanks to the the response,the dyno is from...
Thanks to the the response,the dyno is from Mainline (AUSTRALIA)so the hp #s I beleive are kinda high.They dynoed a 2021 dodge scat pack 8 speed with only 1000 miles and it put 500 to the wheels,I...
Forum:
Pontiac - Race
08-02-2021, 08:51 PM
Replies:
16
Chassis dyno results
Views:
2,143
Posted By
joes455
Chassis dyno results
Ok learned first hand how much total timing has an effect on hp.Went from 445 @32 to 506 @36 then 510 @38.Fuel curve was straight 12.9.Spark plugs looked somewhat lean.The only issue I had was with...
Forum:
Pontiac - Race
06-20-2021, 07:39 PM
Replies:
14
New 1/4 mile
Views:
2,457
Posted By
joes455
Thank ponjohn for the correction yes...
Thank ponjohn for the correction yes 236/245.heads flow 310 with tq 2 intk attached. 330@ 650 lift heads only
Forum:
Pontiac - Race
06-20-2021, 04:40 PM
Replies:
14
New 1/4 mile
Views:
2,457
Posted By
joes455
New 1/4 mile
Recently switched from a solid roller 262-268 to a old faithfull hyd roller with solid roller lifters Results at the track wasnt all that much different between the two sticks.Any how 11.56@117 60ft...
Forum:
Pontiac - Street
06-11-2020, 07:22 PM
Replies:
27
Engine-Dyno and Chassis-Dyno Ignition Timing
Views:
3,601
Posted By
joes455
Detonation will show its face usually around off...
Detonation will show its face usually around off idle up to peak tq at wot .then timing can be added at the down slope from after peak tq to max rpm of combo.So u need to retard timing then add...
Forum:
Pontiac - Street
06-11-2020, 03:48 PM
Replies:
27
Engine-Dyno and Chassis-Dyno Ignition Timing
Views:
3,601
Posted By
joes455
The same goes for af ratios going from 13 to 12...
The same goes for af ratios going from 13 to 12 or vice versa shows hardly any gains or losses at wot
Forum:
Pontiac - Street
06-11-2020, 03:43 PM
Replies:
27
Engine-Dyno and Chassis-Dyno Ignition Timing
Views:
3,601
Posted By
joes455
Put my car on a dyno made best power at 38 and...
Put my car on a dyno made best power at 38 and had detonation on the street,couldn't here it on the dyno.Only gained 8 hp from 36 to 38.There is a point of diminishing returns,at the expense of...
Forum:
Electrical Tech
09-24-2018, 03:25 PM
Replies:
4
Which alternator
Views:
470
Posted By
joes455
Which alternator
Looking at upgrading ,and like to know which alternator ,cs130,cs130d or cs144 .Which one would be better to replace the 10si with less mods?
Showing results 1 to 21 of 21
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