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Forum: Pontiac - Race 11-06-2023, 06:57 PM
Replies: 27
Views: 5,174
Posted By RBAILEY
meanwhile; 1.5 years later.....

It was April 2022 when my new hi-port combo made its 1st pass down the track running a 10.17 @ 134.63. Being excited at getting relatively close to a 9 I pulled my exhaust system off thinking I...
Forum: Pontiac - Race 11-06-2023, 12:52 PM
Replies: 20
Views: 2,880
Posted By RBAILEY
congrats ...

I was feeling proud as I too joined the 9 sec club just a week ago ... but then I saw the mention of you having D-ports and it somewhat deflated my sense of accomplishment...thanks for that :D Wow...
Forum: Pontiac - Race 01-26-2023, 03:52 PM
Replies: 111
Views: 34,014
Posted By RBAILEY
Yes on the support plate; both times it had a...

Yes on the support plate; both times it had a support plate.

And all the bolts were tight ... nothing loose at all. It appeared to be a fatigue failure at the point the factory pulley makes the...
Forum: Pontiac - Race 01-25-2023, 06:59 PM
Replies: 111
Views: 34,014
Posted By RBAILEY
put me down for 1 broken 455 N crank at the front rod throw

My last Iron Dport combination met its demise due to a broken factory 455 N crankshaft that broke at the 1/2 rod throw arm the same exact way another is pictured in this thread.

The crankshaft let...
Forum: Pontiac - Race 12-13-2022, 01:57 PM
Replies: 37
Views: 5,461
Posted By RBAILEY
I could get you a measurement tonight.

I could get you a measurement tonight.
Forum: Pontiac - Race 10-26-2022, 06:09 PM
Replies: 41
Views: 5,566
Posted By RBAILEY
Old 462 w/Iron D combo - 10.60s/10.70s ...

Old 462 w/Iron D combo -

10.60s/10.70s best 60 of 1.48 but usually 1.51 to 1.55

4000 converter
3.73 gear
3295lb
transbrake

But now I have a 60ft problem as I'm running the same 1.51...
Forum: Pontiac - Race 08-15-2022, 07:15 PM
Replies: 16
Views: 2,363
Posted By RBAILEY
Thought some of you might find this picture useful or at least interesting

This is a 16 head I cut in half with a hack saw to learn from for porting purposes way back in the 80s. I got lucky doing it with a standard size hacksaw and had to cut halfway from each side hoping...
Forum: Pontiac - Race 05-03-2022, 10:52 AM
Replies: 27
Views: 5,174
Posted By RBAILEY
Only made two full runs so not many chances to...

Only made two full runs so not many chances to watch... pretty sure it was about 6800 as I tried to make a point to look on that 1st pass. More runs and I can answer that better.
Forum: Pontiac - Race 05-03-2022, 12:47 AM
Replies: 27
Views: 5,174
Posted By RBAILEY
474 CUBES .060 OVER 455 BLOCK 4.250 stroke ...

474 CUBES
.060 OVER 455 BLOCK
4.250 stroke
375 cfm@750 Hi Ports - 74 cc chamber ..2.25 intake valve ...have flow chart showing up to 850 lift I think @ 385cfm
not sure exact compression....the...
Forum: Pontiac - Race 05-02-2022, 03:55 PM
Replies: 27
Views: 5,174
Posted By RBAILEY
No ...455 OEM block bored .060 ...cubes are 474. ...

No ...455 OEM block bored .060 ...cubes are 474. Car weighs 3300 WITHOUT my 200 pound butt in the car. Went 135.00 on the second and last pass
Forum: Pontiac - Race 05-02-2022, 01:00 PM
Replies: 27
Views: 5,174
Posted By RBAILEY
1st pass with new engine combo

My slicks did not arrive in time so I had to race with my street tires.

Naturally asperated through mufflers on street tires
Forum: Pontiac - Race 03-07-2022, 12:37 PM
Replies: 21
Views: 3,850
Posted By RBAILEY
Thanks Mike. That's good info, re the spacer and...

Thanks Mike. That's good info, re the spacer and the shear plates. Even with a 6 inch cowl hood, the Gutsram on top of KRE HPs leaves very little room for any type of air filter arrangement...
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