Forum: Pontiac - Street
01-29-2024, 03:57 PM
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Replies: 21
Views: 1,153
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Forum: Pontiac - Street
01-29-2024, 02:42 PM
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Replies: 21
Views: 1,153
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Forum: Pontiac - Street
01-29-2024, 12:51 AM
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Replies: 21
Views: 1,153
Am I at full potential with this mild combo?
I have a Ventura with 400 in it. The bottom end was basically a stock rebuild as I acquired it (cast silvo-lite pistons and stock reconditioned rods) and the heads are 6x heads that have been milled...
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Forum: Pontiac - Street
07-03-2022, 11:03 PM
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Replies: 24
Views: 3,702
Cliff, thank-you for the master class on all...
Cliff, thank-you for the master class on all aspects of timing. Seriously...so helpful not just in the what but also the how and the why which is the difference between knowing and understanding. It...
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Forum: Pontiac - Street
07-02-2022, 02:40 PM
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Replies: 24
Views: 3,702
Thanks for chiming in, everyone. I had no...
Thanks for chiming in, everyone. I had no intentions of getting rid of vacuum advance. I even had someone nicely pm me just making sure I had no intention of going down the road of post #7 for my...
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Forum: Pontiac - Street
06-30-2022, 12:36 PM
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Replies: 24
Views: 3,702
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Forum: Pontiac - Street
06-29-2022, 07:27 PM
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Replies: 24
Views: 3,702
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Forum: Pontiac - Street
06-29-2022, 04:33 PM
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Replies: 24
Views: 3,702
Timing curve / vacuum advance on low comp 400
I have an 8.5:1 (calculated) 400 with 6x heads and a 213/218 cam with .450/.467 lift (with 1.65 rockers) and a 114 lobe separation. I am trying to get the timing dialed in. I originally had it set...
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Forum: Pontiac - Street
11-06-2021, 01:51 PM
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Replies: 8
Views: 1,106
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Forum: Pontiac - Street
11-04-2021, 03:03 PM
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Replies: 8
Views: 1,106
low comp 350
I have a Pontiac 350 with unknown history. It looks to have been gone through as it was all clean, new gaskets, etc. Pulled the heads of and it has some miles on it but not a lot. Measuring valve...
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Forum: 78 and Newer G-body Pontiac TECH
11-04-2021, 02:38 PM
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Replies: 6
Views: 3,290
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Forum: 78 and Newer G-body Pontiac TECH
11-04-2021, 02:35 PM
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Replies: 6
Views: 3,290
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Forum: 78 and Newer G-body Pontiac TECH
11-03-2021, 02:37 PM
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Replies: 6
Views: 3,290
mounts and headers
Considering doing a pontiac swap into a gbody. I have a 350 and a bunch of spare parts laying around and a roller so I'm getting ideas.
A couple of questions:
Can anyone confirm if hedman...
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Forum: Pontiac - Street
03-31-2021, 10:59 PM
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Replies: 29
Views: 3,151
Schurkey, I appreciate the tips "bring your...
Schurkey, I appreciate the tips "bring your cellphone" and "watch out for the highway patrol." What you described is pretty close to what I did after some reading up on ring break-in before heading...
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Forum: Pontiac - Street
03-31-2021, 09:28 PM
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Replies: 29
Views: 3,151
Can we add this question to into the mix? ...
Can we add this question to into the mix? Literally just broke in my HFT cam last weekend, changed the oil/filter right after, and now I am driving my first few miles. How should you drive those...
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Forum: Pontiac - Street
03-23-2021, 01:07 PM
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Replies: 35
Views: 4,839
Again, thank-you for all the responses. I see...
Again, thank-you for all the responses. I see some people love them a good converter discussion! The converter is "good" in that I pulled and stored it myself and know it works fine. I think...
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Forum: Pontiac - Street
03-21-2021, 03:53 PM
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Replies: 35
Views: 4,839
Some good points raised here, thank-you for the...
Some good points raised here, thank-you for the opinions and rationale on both sides of the converter coin. I especially appreciate the track times report-#'s don't lie. I guess the main difference...
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Forum: Pontiac - Street
03-20-2021, 07:25 PM
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Replies: 35
Views: 4,839
Stock or higher stall converter?
I’m about to swap in a fresh mild 400. Lightly ported 6x heads and 8.5:1 compression. The cam is pretty close to a 068 cam (213/218 @0.050 and around 0.440/0.460 lift with the 1.65 rockers and 114...
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Forum: Pontiac - Street
12-26-2020, 05:04 PM
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Replies: 9
Views: 803
Thank-you for the responses. Very helpful. ...
Thank-you for the responses. Very helpful. After reading them I went back out to inspect the heads and compare them to another set I have. Most of the holes have definitely been enlarged to more...
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Forum: Pontiac - Street
12-25-2020, 11:43 PM
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Replies: 9
Views: 803
pushrod length/interference?
Hey folks. I’m working on a 400 that I picked up this spring and I need a little help putting it together. It was “recently rebuilt” with “low miles” and “ran when pulled” deal. Those things were...
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Forum: Pontiac - Street
07-01-2020, 03:15 PM
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Replies: 11
Views: 1,697
Thank-you, Frank for your info and good...
Thank-you, Frank for your info and good explanations and Bruce for pointing out the difference it would make for cam selection. So would the higher compression of the 62's trump the higher flow of...
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Forum: Pontiac - Street
07-01-2020, 11:18 AM
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Replies: 11
Views: 1,697
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Forum: Pontiac - Street
06-30-2020, 05:34 PM
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Replies: 11
Views: 1,697
400 resurrection help
Thank-you to all the pros and fellow gearheads who frequently go out of their way to lend a hand on here. This will be a bit of a lengthy post, but more info is (almost) always better. I picked up...
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Forum: Members Helping Members
06-22-2020, 05:43 PM
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Replies: 5
Views: 1,157
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Forum: Pontiac - Street
05-13-2020, 07:37 PM
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Replies: 13
Views: 1,045
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