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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
dmac
Forum:
Pontiac - Street
11-19-2021, 04:29 PM
Replies:
14
Replacing engine mounts with engine in chassis
Views:
3,007
Posted By
dmac
Watch the fan shroud
Watch the fan shroud
Forum:
Pontiac - Street
10-14-2021, 01:17 PM
Replies:
40
6x-4's or 8s?
Views:
3,542
Posted By
dmac
For a street car running pump gas, getting the CR...
For a street car running pump gas, getting the CR right should top concerns over flow. I doubt that performance at street RPMs will vary much if at all, but 'street' use can mean different things to...
Forum:
Pontiac - Street
04-13-2021, 04:38 PM
Replies:
92
Roller Cams with low lift and long ramps
Views:
8,385
Posted By
dmac
It is nice to see how simulations can be very...
It is nice to see how simulations can be very close to real world results.
I should have said that Lee ran simulations of about 4-5 stock cams from various manufacturers and several different...
Forum:
Pontiac - Street
04-09-2021, 03:51 PM
Replies:
92
Roller Cams with low lift and long ramps
Views:
8,385
Posted By
dmac
A member here ran quite a few simulations for a...
A member here ran quite a few simulations for a low CR, low rpm , high torque and came up with using the ultradyne H5 and H15 lobes on a 115 LSA advanced 8* and it had almost 500 ft/lbs of torque at...
Forum:
Pontiac - Street
04-01-2020, 12:36 PM
Replies:
41
Dead or Dying Optima?
Views:
8,549
Posted By
dmac
Easiest way to check- swap batteries with another...
Easiest way to check- swap batteries with another vehicle. See if their battery works in your car, and vice versa. A lot easier than crawling under vehicle and cleaner too.
Forum:
Pontiac - Street
03-06-2020, 01:22 PM
Replies:
49
Installing front coil springs without dying
Views:
7,250
Posted By
dmac
Only compress them the little bit you need Even a...
Only compress them the little bit you need Even a cheap spring compressor will work well if only asked to compress a little.
Forum:
Pontiac - Street
10-16-2019, 03:36 PM
Replies:
44
Driving in primer
Views:
3,896
Posted By
dmac
Manufacturers put that warning on everything to...
Manufacturers put that warning on everything to avoid a lawsuit just in case there might be something in their product. Other than a few cancer causing products being unavailable, there is really no...
Forum:
Pontiac - Street
05-31-2019, 06:58 PM
Replies:
20
9792995 Head Gasket Thickness
Views:
3,560
Posted By
dmac
Cometic can make MLS head gaskets almost any...
Cometic can make MLS head gaskets almost any bore/thickness you want- this should be pretty representative of the price because this one is a made to order item. .012 thick, 4,200 bore, $228, don't...
Forum:
Pontiac - Street
05-27-2016, 11:54 PM
Replies:
33
SCR vs DCR
Views:
3,137
Posted By
dmac
Not only can't DCR be calculated for any one...
Not only can't DCR be calculated for any one engine, but it will change with rpms, temp, speed, exhaust back pressure, temp. etc, etc, etc, etc.
Forum:
Pontiac - Street
01-25-2014, 03:49 PM
Replies:
70
326 heads on 350??
Views:
3,939
Posted By
dmac
Try to find something with 72 cc or a little more...
Try to find something with 72 cc or a little more for the 350. If you are still planning on a 400 in the future, You could find something with about 80 cc or more, and that head will work on the 350...
Showing results 1 to 10 of 10
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