Forum: Pontiac - Street
09-14-2024, 12:35 PM
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Replies: 27
Views: 948
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Forum: Pontiac - Race
08-18-2024, 10:54 AM
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Replies: 2
Views: 257
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Forum: Pontiac - Race
04-29-2024, 09:57 PM
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Replies: 26
Views: 3,381
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Forum: Suspension TECH
03-26-2024, 10:36 AM
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Replies: 10
Views: 1,154
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Forum: Pontiac - Race
10-31-2023, 09:08 AM
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Replies: 14
Views: 1,022
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...
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Forum: Pontiac - Street
10-29-2023, 07:52 PM
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Replies: 13
Views: 1,035
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Forum: Pontiac - Street
09-13-2023, 09:57 AM
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Replies: 20
Views: 1,271
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Forum: Pontiac - Street
09-11-2023, 11:55 AM
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Replies: 20
Views: 1,271
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Forum: Pontiac - Street
09-11-2023, 08:29 AM
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Replies: 20
Views: 1,271
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...
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Forum: Pontiac - Race
01-08-2023, 07:39 AM
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Replies: 26
Views: 3,558
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...
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Forum: Pontiac - Street
12-20-2022, 11:32 AM
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Replies: 15
Views: 1,292
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Forum: Pontiac - Street
07-03-2022, 03:33 PM
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Replies: 15
Views: 1,782
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Forum: Pontiac - Street
07-02-2022, 05:31 PM
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Replies: 15
Views: 1,782
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...
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Forum: Pontiac - Race
06-19-2022, 11:04 AM
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Replies: 5
Views: 1,326
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...
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Forum: Pontiac - Street
04-06-2022, 05:18 PM
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Replies: 14
Views: 1,283
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Forum: Pontiac - Race
08-03-2021, 04:44 PM
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Replies: 16
Views: 2,318
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...
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Forum: Pontiac - Race
08-02-2021, 08:51 PM
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Replies: 16
Views: 2,318
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...
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Forum: Pontiac - Race
06-20-2021, 07:39 PM
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Replies: 14
Views: 2,603
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Forum: Pontiac - Race
06-20-2021, 04:40 PM
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Replies: 14
Views: 2,603
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...
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Forum: Pontiac - Street
06-11-2020, 07:22 PM
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Replies: 27
Views: 4,107
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Forum: Pontiac - Street
06-11-2020, 03:48 PM
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Replies: 27
Views: 4,107
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Forum: Pontiac - Street
06-11-2020, 03:43 PM
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Replies: 27
Views: 4,107
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...
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Forum: Electrical Tech
09-24-2018, 03:25 PM
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Replies: 4
Views: 564
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?
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