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#41
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I never had any problems hookin on the street. My old car would hook on gravel... no cage equals bowed right quarter.
my car seemed to work better on the street |
#42
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I just spotted this thread...760 hp...93 octane. 505 ci...yes very street able
until you put your foot into...oh and did I say it don't like passing gas stations. But...it's kick @ss. Second pass 9.84 @ 136 mph. Dose it hook on the street well there isn't any streets long enough. 4" exhaust system with Bola mufflers.
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Last edited by Gach; 03-02-2009 at 12:23 AM. |
#43
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With a car like that, you oughta be able to do 0 to 100 to 0 in what, 1/4 mile??? Maybe do it in the drive way with good enough brakes!
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'78 Macho T/A DKM#95, 460cid, SRP pistons, KRE 310 D ports, 3" pypes, Hooker 1 3/4" headers, hydraulic roller, 10" Continental, 3.42 gears 11.5 @117.5mph 3900lbs ([_|_] ##\|/##[_|_]) |
#44
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think someone mentioned the magnaflows on being quiet. i second that.
i put 3.5 inch oval magnaflows behind a healthy 482 with 2"x3.5" headers. i did put a 2.5" collector reducer inside the 3.5" pipe before the mufflers also. sheite, the car is not as loud as those annoying chevy boy pickups running around this part of the country.
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1963 Cat SD Clone (old school) streeter 1964 GTO post coupe, tripower, 4speed (build) 1965 GTO 389 tripower, 4 speed, driver 1966 GTO dragcar 1966 GTO Ragtop 1969 Tempest ET clone street/strip 1969 GTO Judge RA lll, auto 1969 GTO limelight Conv. 4speed go and show (sold) 1970 GP SSJ 1970 GTO barn find..TLB…390 horse?….yeh, 390 1972 GTO 455 HO, 4 speed, (build) 1973 Grand Safari wagon, 700hp stoplight sleeper 525ci DCI & 609ci LM V head builds |
#45
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'78 Macho T/A DKM#95, 461 stroker, 73 YX 400 block, SRP pistons, KRE 310 heads,
XE274 cam, 1.65 rockers, Hooker 1 3/4 headers, Q-Jet, RPM Manifold. That sounds like a really nice car I'm jealous.
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#46
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505 CI...4.350 bore x 4.250 stroke...IA II block.All Pontiac 4.250 crank...BME Aluminum 6.625 rods
JE pistons 10.5 to 1...Comp custom solid roller 264/274 lobe 112 .730 lift...Wide Port E-heads T & D rocker-shafts...Victor intake ported Pro Systems 1100 dominator...Pump Gas 10.80 compression....Best pass 9.45 @ 140 Gach-dane!Do you actually do weekend cruising with your 70?Any glass or factory panels? That's a sweet pump gas "street car" combo, and capable of running 9's? But what you guess the noise decible is with the Borla's? There's a kid in my neighborhood with a Saleen Rustang and it's almost as loud as my 70, but capable of listening to his CD's when cruising. I hesistate to go larger on my exhaust system( 1- 3/4 hedman/3" collectors with 3.5 exhaust, single chamber mufflers, turned down in front of rear) for fear of lost performance. Some interesting suggestions here I'm following. |
#47
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Gach, what are you, 750-800 hp pump gas?
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#48
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Like many I have a issue with the length of mufflers I can get under my Trans Am. The combo is a 505 at about "650 hp" with 2-inch headers, 3 1/2" to 3" Dr Gas X-pipe going into 14" Ultraflow welded mufflers and full 3" tailpipes. Street driven, not real quiet but tollerable to me.
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#49
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Quote:
and steel with windows that go up and down for the street...( LOL ) Decible level is around 80-90 decible's with the cones in the collectors. The exhaust system is 4" with 4" merge collectors. With turn downs coming out of the tail pipes..right in front of the rear axle tubs. The car has and will run 9.50's to 9.60's pretty consistainly I have no doubt about that..it's a whole different tune up for the strip. Cruising..yeah with the cones no problem. There's a couple of cruises just about twice a week. We have one at our local beach every Tue night. That's about 10 miles from my house..then there's one about 5 minutes at the Dairy Queen where a bunch of guys hang out. Here the thing...cruising around town is no problem...because a bunch of us go together...as long as guys don't get crazy and start pulling hole shots every thing is ok...most of the guys are making around the same HP. For me it's a Pontiac thing...the Chevy guys think their King until I rip off those mid 9's second runs. But here's the thing about driving the car around...if you put your foot into you can hear it for blocks even at 80-90 decibels. For me it's just know fun..to many things to do..jetting it down...change air bleeds..cone in and out..doors on and off. So it's to the point you decide one or the other. It's all new to me right now...so most of the hassle is just about over with. The economy is probably going to dick tate what I do with the car this year.
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