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Search found 499 matches

by tjs44
Mon Jun 29, 2020 3:03 pm
Forum: Engine Tech
Topic: Straight through mufflers
Replies: 88
Views: 3073

Re: Straight through mufflers

I dont care if i loose 50 HP if I can kill the drone.Car operates 99.9% of the time from off idle to 2500 max.Cruise either in 4th on the street of 5th on the freeway is at 2000.Tom
by tjs44
Mon Jun 29, 2020 3:00 pm
Forum: Engine Tech
Topic: Straight through mufflers
Replies: 88
Views: 3073

Re: Straight through mufflers

im talking about putting a ST on one side and a Hushpower on the other side.No room to put 2 in a row under my bird.Tom
by tjs44
Sun Jun 28, 2020 5:30 pm
Forum: Engine Tech
Topic: Straight through mufflers
Replies: 88
Views: 3073

Re: Straight through mufflers

Has anyone ever tried 2 diff mufflers to break the resonance of the drone?Im thinking of just putting one of my Hushpowers on to see if it makes any diff.If no change than I just need to decide which one I want to change afterward.Tom
by tjs44
Fri Jun 19, 2020 7:42 pm
Forum: Engine Tech
Topic: Straight through mufflers
Replies: 88
Views: 3073

Re: Straight through mufflers

on both sizes of STs the drone was at 1900-to 2100ish.None up to it and none after it.My car has a TKO and that is where I drive it on the highway and in 4th at 2000 on city streets!The 14in was 86 decibels at 2000 and the 18s were 84.I now have a set of just non performance 18s and they are 82.Im m...
by tjs44
Fri Jun 19, 2020 10:09 am
Forum: Engine Tech
Topic: Straight through mufflers
Replies: 88
Views: 3073

Re: Straight through mufflers

Travis,yes,I have them on a 63 421 Tempest right now.Had them on my 455 69 bird and pulled them to try the 14in Superturbo.Hated the 14s,tried the 18 ST and hate them.Going to put the HPs back on.My 428 RA V in the bird has developed a bad drone at 2000 and have been fighting it.Only real change on ...
by tjs44
Thu Jun 18, 2020 11:12 pm
Forum: Engine Tech
Topic: Pass-on 4 valve engine project
Replies: 28
Views: 1894

Re: Pass-on 4 valve engine project

Going to miss you Jon!Need to find another guy with a CNC in his back yard for small jobs!Good luck.Tom
by tjs44
Thu Jun 18, 2020 10:50 pm
Forum: Engine Tech
Topic: Straight through mufflers
Replies: 88
Views: 3073

Re: Straight through mufflers

Have you tried the Hushpowers?I have used a couple sets and really like them.Even better than the 14in super turbos.Tom
by tjs44
Sun May 10, 2020 11:51 am
Forum: Race Cars & Parts - For Sale or Wanted
Topic: 1969 Pontiac Ram Air V tunnel port heads and intake for sale
Replies: 0
Views: 219

1969 Pontiac Ram Air V tunnel port heads and intake for sale

These heads were part of the SCCA racing project.Only 25 complete engines were built.These heads have been pressure tested and completely rebuilt.The package includes a sheet metal tunnel ram intake and a Holley double pumped carb.Also all the removed parts from the rebuild except for one exhaust va...
by tjs44
Mon Apr 20, 2020 4:50 pm
Forum: Engine Tech
Topic: Looking to make some more power, welcoming ideas/advice
Replies: 62
Views: 2974

Re: Looking to make some more power, welcoming ideas/advice

I have found with stick shift cars and driving around at low(under 2000)RPMs that my engines did not like single plane intakes or tight LS cams.They would hit a spot and would start bucking and would have to pull it back a gear.FWIW,Tom
by tjs44
Mon Mar 23, 2020 9:22 pm
Forum: Engine Tech
Topic: Question For Mike Jones - Duration Vs Rod/Stroke Ratio
Replies: 37
Views: 2719

Re: Question For Mike Jones - Duration Vs Rod/Stroke Ratio

I guess what im asking at that low RPMs does R/S ratio mean really anything when choosing a cam.Tom
by tjs44
Mon Mar 23, 2020 9:20 pm
Forum: Engine Tech
Topic: Question For Mike Jones - Duration Vs Rod/Stroke Ratio
Replies: 37
Views: 2719

Re: Question For Mike Jones - Duration Vs Rod/Stroke Ratio

Mike,usually 1500 for street driving and 1900-2000 freeway.Tom
by tjs44
Sun Mar 22, 2020 7:39 pm
Forum: Engine Tech
Topic: Question For Mike Jones - Duration Vs Rod/Stroke Ratio
Replies: 37
Views: 2719

Re: Question For Mike Jones - Duration Vs Rod/Stroke Ratio

Mike and Stan,yes TKO 5 speeds with .64 OD.Tom
by tjs44
Sun Mar 22, 2020 2:45 pm
Forum: Engine Tech
Topic: Question For Mike Jones - Duration Vs Rod/Stroke Ratio
Replies: 37
Views: 2719

Re: Question For Mike Jones - Duration Vs Rod/Stroke Ratio

Mike,what do you think for a engine for a 100% street car that has a OD trans and will operate from off idle to about 2500 with occasional bursts to 3500-4000?I know we always regress to race engines but a lot of HiPo street engines are being built these day.s with ODs.Tom