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December 12th, 2018, 11:01 AM
Replies: 25
Views: 2,858
Posted By botmbulb

Do you have a complete 455, or a 455 short block,...

Do you have a complete 455, or a 455 short block, 71-76?
Forum: Big Blocks
November 29th, 2017, 02:48 PM
Replies: 5
Views: 522
Posted By botmbulb

How much power are you looking to make? I've run...

How much power are you looking to make? I've run many of the low compression 455's. Ran 12.86 at 3960 lbs. with a stock 71 455 with just a cam, headers, and tuning. Ran 12.18 at 3550 lbs. in my race...
November 24th, 2017, 01:08 PM
Replies: 13
Views: 1,693
Posted By botmbulb

Between 530-550 HP, running 10.60's-10.70's @ 123...

Between 530-550 HP, running 10.60's-10.70's @ 123 and weighing 3450 lbs., no power adder, footbrake launch.
November 20th, 2017, 08:18 AM
Replies: 72
Views: 8,354
Posted By botmbulb

Yes, pretty close. The IA II block says 4.400 max...

Yes, pretty close. The IA II block says 4.400 max bore (same as RR block, which makes sense since they have the same bore spacing) and 4.750 max stroke (5.000 possible with clearancing). The RR block...
November 20th, 2017, 06:26 AM
Replies: 13
Views: 1,693
Posted By botmbulb

Which pictures of mine would you like to see, the...

Which pictures of mine would you like to see, the ones where it broke the crank into 2 pieces and ripped out #4 main bulkhead, or the ones where it broke the crank into 5 pieces and ripped out #2, 3,...
October 4th, 2017, 02:22 PM
Replies: 14
Views: 890
Posted By botmbulb

A couple of things I see. I would see if you...

A couple of things I see. I would see if you could extend the working voltage to 20. With a 16 volt system using an alternator, the voltage is around 19. For the traction control, you need to make...
August 7th, 2017, 08:09 AM
Replies: 5
Views: 904
Posted By botmbulb

There is a lot of ET to be had in a good...

There is a lot of ET to be had in a good converter, especially with a non standard combination like a high torque Olds. I had an off the shelf JW 10" converter that worked well with my 11.90-12.00...
Forum: Big Blocks
October 19th, 2016, 06:17 AM
Replies: 58
Views: 4,758
Posted By botmbulb

That's easy to do with what you have. All you...

That's easy to do with what you have. All you need is a cam and headers. I love running the low compression 455's. I ran one in my daily driver with headers, an Edelbrock Performer RPM cam, stock G...
Forum: Big Blocks
October 18th, 2016, 11:54 PM
Replies: 58
Views: 4,758
Posted By botmbulb

How fast do you want to go?

How fast do you want to go?
Forum: Big Blocks
September 15th, 2016, 04:54 AM
Replies: 16
Views: 3,057
Posted By botmbulb

I ran a Torker with a converter that was way too...

I ran a Torker with a converter that was way too loose, flashed around 4800. I finally got a custom built converter and wanted it to flash to 3600-3800, but it only flashed to 3300. It was a huge...
August 31st, 2016, 01:39 PM
Replies: 68
Views: 4,122
Posted By botmbulb

https://cimg0.ibsrv.net/gimg/classicoldsmobile.com...

https://cimg0.ibsrv.net/gimg/classicoldsmobile.com-vbulletin/2000x1370/80-03_10_2013_03_11_50pm_d5133a969c2198009f03400dc9b930b198a321a3.jpg
...
April 27th, 2016, 06:26 PM
Replies: 6
Views: 444
Posted By botmbulb

I'm sure it's in here somewhere, but I'll post...

I'm sure it's in here somewhere, but I'll post it.
It's a 455 block, .030 over, Smitty's bed plate, Eagle 4.500 crank, Molnar Technologies 7.100 rods, Ractec flat top pistons, 12:1 cr, unported ...
April 27th, 2016, 04:40 PM
Replies: 6
Views: 444
Posted By botmbulb

Lighter piston. Same compression ratio, but a...

Lighter piston. Same compression ratio, but a smaller ring pack, and consequently, lighter piston weight.
April 27th, 2016, 03:49 PM
Replies: 6
Views: 444
Posted By botmbulb

Back together, new PB

After breaking a rod bolt 22 months ago, I finally got the car back together, and made my quickest run yet, a 10.39 @ 125 with a 1.36 60'.
...
Forum: Big Blocks
September 25th, 2015, 10:15 AM
Replies: 22
Views: 2,724
Posted By botmbulb

Where are you located?

Where are you located?
Forum: Big Blocks
February 28th, 2015, 08:33 PM
Replies: 3
Views: 801
Posted By botmbulb

10w40 oil.

10w40 oil.
Forum: Big Blocks
February 28th, 2015, 06:03 PM
Replies: 22
Views: 1,882
Posted By botmbulb

22-24 initial, no vacuum advance.

22-24 initial, no vacuum advance.
Forum: Big Blocks
February 26th, 2015, 10:39 AM
Replies: 22
Views: 1,882
Posted By botmbulb

A low compression 455 can run really well. I had...

A low compression 455 can run really well. I had a 71 Toronado engine (my grandfather bought the car new) in my 74 Omega street car that weighed 3980 lbs. with me in it. The engine had 120,000+ on it...
February 24th, 2015, 08:54 PM
Replies: 412
Views: 45,578
Posted By botmbulb

I can't answer for the other gentleman, but I can...

I can't answer for the other gentleman, but I can assure you it is possible to make a car run within a few thousandths.
160227...
November 23rd, 2014, 05:57 AM
Replies: 4
Views: 680
Posted By botmbulb

Location?

Location?
Forum: Hurst/Olds
March 11th, 2014, 11:44 AM
Replies: 5
Views: 649
Posted By botmbulb

That's not an Oldsmobile camshaft, it's a...

That's not an Oldsmobile camshaft, it's a Chevrolet.
March 1st, 2014, 07:26 PM
Replies: 61
Views: 17,521
Posted By botmbulb

It's a 73 Omega, footbrake car, weighs 3450 lbs....

It's a 73 Omega, footbrake car, weighs 3450 lbs. with me in it, TH400 with a 2.75 low gear, 3.89 gear, Select Performance 9" 4200 stall converter, 30x9 radial slicks, 900 cfm Holley ProJection, 1"...
February 28th, 2014, 06:49 PM
Replies: 61
Views: 17,521
Posted By botmbulb

I will pass along MY experience (and conclusions)...

I will pass along MY experience (and conclusions) from MY engines. I didn't have any issues until I stepped up to a roller cam to pick up enough ET (from 11.00 to 10.70) to run Super Street.

1st...
Forum: Hurst/Olds
December 31st, 2013, 08:56 AM
Replies: 27
Views: 3,088
Posted By botmbulb

I just saw this thread. "Bill" was my father, and...

I just saw this thread. "Bill" was my father, and he owned the gold one shown in a few of the pictures earlier. It was bought from Atco Dragway right before Christmas 1975 for $175. My father didn't...
Forum: Big Blocks
February 25th, 2013, 09:28 PM
Replies: 17
Views: 2,990
Posted By botmbulb

Since you already have the solid roller lifters,...

Since you already have the solid roller lifters, I would just get a hydraulic roller camshaft. I run this setup in my car for durability reasons. Lower spring pressures than solid roller cam...
February 25th, 2013, 09:12 PM
Replies: 15
Views: 11,605
Posted By botmbulb

I would consider it very streetable.

I would consider it very streetable.
February 19th, 2013, 04:57 PM
Replies: 15
Views: 11,605
Posted By botmbulb

I used a Comp Cams XE284H (240/246, .541/.544,...

I used a Comp Cams XE284H (240/246, .541/.544, 110 lsa, 106 int c/l) with out of the box Edelbrock's, Performer intake, 1 3/4" headers, shifting at 5200 and crossing at 5600. It went 10.96 at 120...
January 13th, 2013, 10:33 AM
Replies: 1,298
Views: 207,876
Posted By botmbulb

172684

172684
January 13th, 2013, 01:35 AM
Replies: 193
Views: 43,270
Posted By botmbulb

Here's mine, I bought it in 1988. It's a '73...

Here's mine, I bought it in 1988. It's a '73 hatchback, 488 BBO, 11.8 cr, Edelbrock heads, hydraulic roller cam, Offy POS intake, Holley 900 cfm TBI fuel injection, 1 3/4" headers, TH400, 4400 stall...
Showing results 1 to 29 of 29


 
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