Forum: Pontiac - Street
01-04-2022, 10:40 AM
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Replies: 6
Views: 1,467
I will try to be more precise in the future;...
I will try to be more precise in the future; oiling is a standard Melling 45D 60psi oil pump, stock oil pan, 3/4 factory windage, Comp 5/16 standard pushrods, Comp springs with 110 closing and 300...
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Forum: Pontiac - Street
01-03-2022, 09:26 PM
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Replies: 6
Views: 1,467
Rocker Arm Identification
Can anyone identify these 1.6 ratio rocker arms that were purchased though Butler circa 1999? The only identification is F16 on the rocker body. Please note that one failed and David sent me a...
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Forum: Pontiac - Race
12-31-2021, 11:47 PM
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Replies: 31
Views: 6,350
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Forum: Pontiac - Race
12-31-2021, 01:23 PM
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Replies: 31
Views: 6,350
Thanks Skip. I agree; if Butler is recommending...
Thanks Skip. I agree; if Butler is recommending going to the NorthWind right at the 340cfm level that tells me that somewhere between 325 and 340cfm the T2EFI intake has flow limitations in NA form....
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Forum: Pontiac - Race
12-29-2021, 12:51 PM
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Replies: 31
Views: 6,350
Skip, Thank you for the photos. Are your 320cfm...
Skip, Thank you for the photos. Are your 320cfm E-heads ported to 1.20 x 2.35 and the intake gasket used is a 1.20 x 2.40 with a .060 thickness?
I know I have an older T2EFI (NIB) and Steve told me...
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Forum: Pontiac - Race
12-28-2021, 11:30 AM
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Replies: 31
Views: 6,350
Thanks for the replies; the T2 EFI definitely...
Thanks for the replies; the T2 EFI definitely supports in excess of 750 horsepower on a boosted application but unfortunately I can’t run a boosted application due to packaging(weight distribution...
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Forum: Pontiac - Race
12-27-2021, 01:25 PM
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Replies: 31
Views: 6,350
Skip, I’m not clear. Will the T2 EFI fit under...
Skip, I’m not clear. Will the T2 EFI fit under the shaker without a drop base? Butler told me the Northwind fits with a Performer RPM drop base.
I should be able to post pics in a few weeks. The...
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Forum: Pontiac - Race
12-26-2021, 11:32 PM
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Replies: 31
Views: 6,350
Thanks Skip; I was thinking 340 on E-heads or...
Thanks Skip; I was thinking 340 on E-heads or Hi-ports but I’ll let them tell me what cfm I need for the end goal. Its probably closer to 380 on a 535 to get a decent idle. I hadn’t thought about the...
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Forum: Pontiac - Race
12-26-2021, 11:24 AM
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Replies: 31
Views: 6,350
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Forum: Pontiac - Street
12-25-2021, 03:25 PM
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Replies: 7
Views: 1,376
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Forum: Pontiac - Street
12-25-2021, 03:05 PM
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Replies: 48
Views: 7,877
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Forum: Pontiac - Race
12-25-2021, 02:56 PM
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Replies: 31
Views: 6,350
Torquer 2 (Victor) EFI Power Limits
I have a Torquer II(PN 50565) EFI manifold and wondered if anyone had tested this manifold using larger injectors (such as 80 lb. PICO injectors) to see if it would support between 600-750...
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Forum: Pontiac - Street
12-08-2021, 10:04 AM
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Replies: 10
Views: 1,569
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Forum: 73-77 A-body TECH
10-24-2021, 08:09 PM
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Replies: 13
Views: 3,523
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Forum: 73-77 A-body TECH
10-24-2021, 12:24 AM
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Replies: 13
Views: 3,523
Engine Mounts
Is there a reproduction or source for engine mounts? I allowed a shop I’ve used for years to take my 468, Bellhousing and T-56 and trial fit it into a friends ‘69 Firebird and the engine mounts and...
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Forum: Pontiac - Race
10-23-2021, 10:57 AM
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Replies: 28
Views: 5,362
In regards to solid flat tappet cams and the...
In regards to solid flat tappet cams and the Crower Coolface solid lifters, are we now at the point where once adjusted properly the solid lifters don't need to be checked for lash on a regular...
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Forum: Pontiac - Race
10-21-2021, 10:21 PM
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Replies: 28
Views: 5,362
Hydraulic Roller Lifters-Lifter Bore
In regards to hydraulic roller lifters is it required to enlarge the oil passages in the lifter bore or are there dependable roller lifters designed to work without pulling a rotating assembly down...
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Forum: Pontiac - Street
10-03-2021, 12:34 PM
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Replies: 34
Views: 3,339
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Forum: Pontiac - Boost
10-03-2021, 12:33 PM
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Replies: 5
Views: 1,425
Thanks Steve. That was the basic kit I was...
Thanks Steve. That was the basic kit I was thinking would meet my needs. It also has a optional module to run EGT probes in each header pipe($1100). Less expensive Holley units won’t allow this.
...
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Forum: Pontiac - Street
10-03-2021, 12:35 AM
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Replies: 34
Views: 3,339
Tom, yes normal 20 minute sessions on 1.5-3.0...
Tom, yes normal 20 minute sessions on 1.5-3.0 mile road courses but I’ll open road race at least once yearly. If I enter a 130-135 mph average class with a tech speed of 168 each leg of the course...
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Forum: Pontiac - Street
10-02-2021, 06:34 PM
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Replies: 34
Views: 3,339
Heads/Stroke
Any thoughts on power and reliability of a 4.25 versus 4.5 stroke?
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Forum: Pontiac - Street
10-02-2021, 05:06 PM
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Replies: 34
Views: 3,339
Compression
Yes, I would like to keep the compression low for a couple of reasons, it’s a Pro-Touring build that will be street driven and road raced. It’s hot in Texas and it will heat soak after running hard...
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Forum: Pontiac - Boost
10-02-2021, 03:32 PM
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Replies: 5
Views: 1,425
EFI & Heafs
Thanks, I sent an email to Dave about the larger CC options whether it’s using the original 72cc E-heads and going to 100 cc’s or the newer 87 cc heads. At 100 cc’s my compression ratio would drop...
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Forum: Pontiac - Street
10-02-2021, 03:13 PM
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Replies: 34
Views: 3,339
SD Performance
I sent an email to Dave to inquire about opening up the 72cc chambers to around 100cc’s. That would drop my compression to 9:18. If I wanted to put in a 4.5 stroke crank (Scat forged)and get 495ci...
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Forum: Pontiac - Street
10-02-2021, 01:09 AM
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Replies: 34
Views: 3,339
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