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Forum: Pontiac - Street 06-16-2023, 01:59 PM
Replies: 9
Views: 634
Posted By Matt Meaney
will a vacuum tree work? ...

will a vacuum tree work?
https://www.yearone.com/Product/1967-1968-1969-1970-1971-1972-1973-1974-1975-1976-1977-1978-1979-1980-1981-pontiac-firebird-trans-am-parts/cf7274
Forum: Pontiac - Street 01-30-2023, 04:30 PM
Replies: 16
Views: 1,094
Posted By Matt Meaney
when i tried to put an new RPM intake on a 400...

when i tried to put an new RPM intake on a 400 with 62's, it really wouldn't fit. with the felpro gaskets in place, the bolt holes didn't line up for nothing. take out the gaskets and they were...
Forum: THE LOBBY 01-26-2023, 10:17 AM
Replies: 61
Views: 5,153
Posted By Matt Meaney
interesting. did studebaker do anything special...

interesting. did studebaker do anything special for a head gasket on those? factory vs new boost level? any hp expatations?
Forum: 67-69 Firebird TECH 01-25-2023, 10:19 PM
Replies: 4,056
Views: 648,685
Posted By Matt Meaney
also moving the alternator over to the pontiac...

also moving the alternator over to the pontiac side. then they snuck in the big block camero heater core/box and covered up the pontiac location.
Forum: Pontiac - Street 01-24-2023, 09:40 PM
Replies: 7
Views: 689
Posted By Matt Meaney
yup, those little tires don't stand a chance. :D ...

yup, those little tires don't stand a chance. :D
you'll enjoy the combo.
https://www.youtube.com/watch?v=jtX-TQVatqE
Forum: Pontiac - Street 01-24-2023, 04:02 PM
Replies: 47
Views: 2,782
Posted By Matt Meaney
a ballpark on the compression would be about...

a ballpark on the compression would be about 9.25:1, could go a little one way or the other depending on specifics.
i had basically that same engine a long time ago in my daily. it had a 041 cam...
Forum: Pontiac - Street 01-24-2023, 02:01 PM
Replies: 7
Views: 689
Posted By Matt Meaney
my '70 Gp has a warmed over 455, M20, 2.56 rear...

my '70 Gp has a warmed over 455, M20, 2.56 rear gear, with 245/60/14 tires. you pretty much just let the clutch pedal out and your moving. no fuss, no muss. on a steep hill a little more slip is...
Forum: Pontiac - Street 01-24-2023, 12:15 PM
Replies: 27
Views: 2,829
Posted By Matt Meaney
this place says they do. no personal experience...

this place says they do. no personal experience as of yet.

http://www.nitemareperformance.com/

bill has in the past (has a nice cnc macine), don't know if he still does.
...
Forum: 70-72 GTO Tempest & LeMans TECH 01-24-2023, 11:19 AM
Replies: 15
Views: 1,066
Posted By Matt Meaney
while i agree, even at less than half his asking...

while i agree, even at less than half his asking price, it doesn't make dollars and cents to do a full restoration on it.
on the other hand, some very plain cars came through with some not so plain...
Forum: 70-72 GTO Tempest & LeMans TECH 01-23-2023, 05:09 PM
Replies: 15
Views: 1,066
Posted By Matt Meaney
does it have a build sheet or phs? if not, maybe...

does it have a build sheet or phs? if not, maybe start with that.
Forum: THE LOBBY 12-08-2022, 01:59 PM
Replies: 25
Views: 1,605
Posted By Matt Meaney
the dog dish with white lines sounds good. maybe,...

the dog dish with white lines sounds good. maybe, get one of those tire markers and make the white line red.
if you do it like the chevelle in the pic, don't forget to hang a couple small red...
Forum: Pontiac - Street 12-07-2022, 03:51 PM
Replies: 39
Views: 3,522
Posted By Matt Meaney
stock springs, about all you want is .450ish...

stock springs, about all you want is .450ish lift.
to ball park what you have now, you could bottom out the lifter and turn the engine over manually, measuring how far the retainer moves. use a...
Forum: Pontiac - Street 12-06-2022, 03:42 PM
Replies: 55
Views: 4,727
Posted By Matt Meaney
the picture of him sitting on the john lapping in...

the picture of him sitting on the john lapping in valves on a hemi head still cracks me up to this day. (about half way down the page)...
Forum: Pontiac - Street 12-01-2022, 03:29 PM
Replies: 50
Views: 3,372
Posted By Matt Meaney
with the lifter on the base of the cam, put a...

with the lifter on the base of the cam, put a .020 feeler gauge between the valve stem and tip of the rocker. bottom out the lifter, then pull out the gauge. done.
Forum: Pontiac - Street 11-30-2022, 10:43 PM
Replies: 7
Views: 1,156
Posted By Matt Meaney
this is the finished version of my center...

this is the finished version of my center divider. it ended up being a little more involved than i originally planned. i intended the notch to be just enough to clear the throttle plate. when i put...
Forum: 70-72 GTO Tempest & LeMans TECH 11-09-2022, 11:20 AM
Replies: 37
Views: 3,554
Posted By Matt Meaney
look down the ports on those manifolds. awhile...

look down the ports on those manifolds. awhile ago, a friend of mine sent some back because at least one, maybe more were very narrow / small.
Forum: 69-77 Grand Prix TECH 11-08-2022, 03:52 PM
Replies: 5
Views: 1,330
Posted By Matt Meaney
maybe steve might have a good used one? ...

maybe steve might have a good used one?

http://www.pontiacheaven.org/
Forum: Pontiac - Street 11-08-2022, 10:38 AM
Replies: 62
Views: 6,952
Posted By Matt Meaney
While it is essential to have the distributor...

While it is essential to have the distributor mechanical / vacuum advance itself known and spot on, don’t overlook the number one piston to timing mark on the balancer to timing mark on the engine...
Forum: Pontiac - Street 11-04-2022, 07:25 AM
Replies: 7
Views: 1,156
Posted By Matt Meaney
i'll go ahead and copy the sd style of notch and...

i'll go ahead and copy the sd style of notch and thanks for the extra info on the carb. that will help in the long run.
Forum: Pontiac - Street 11-02-2022, 09:18 PM
Replies: 7
Views: 1,156
Posted By Matt Meaney
Performer RPM center divider mod. ???

i'm cutting down part of the center divider, to clear the throttle blade of a holley 3 bbl. so far, it's been marked off and a notch has been roughed in. since the top of the notch will now see some...
Forum: Pontiac - Street 11-02-2022, 09:42 AM
Replies: 62
Views: 5,637
Posted By Matt Meaney
why did you cut through the center of the front...

why did you cut through the center of the front bolt holes?
how do you plan to block off the exhaust cross over in the heads?
Forum: Pontiac - Street 10-29-2022, 06:43 PM
Replies: 12
Views: 1,078
Posted By Matt Meaney
thanks, for the explanation. i intend to leave...

thanks, for the explanation.
i intend to leave the feature functional.
Forum: Pontiac - Street 10-28-2022, 10:06 PM
Replies: 12
Views: 1,078
Posted By Matt Meaney
Who knows Holley 3bbl. carbs?

there are 4 small holes in the main body that go straight into the throttle bores. they are allowing metered, unfiltered, air into the carb. they are below the boosters and above the throttle blades....
Forum: Pontiac - Street 10-28-2022, 09:40 PM
Replies: 62
Views: 6,019
Posted By Matt Meaney
access to a chassis dyno could make short work of...

access to a chassis dyno could make short work of dialing in the dist. and carb.

another part that can have a dramatic effect on how the car performs, is the torque convertor. having one that best...
Forum: Pontiac - Street 10-28-2022, 02:42 PM
Replies: 62
Views: 6,019
Posted By Matt Meaney
back in the day, i took the log manifolds and...

back in the day, i took the log manifolds and stock exhaust off my '72. replaced it with headers and 3" pipes. picked up a full second and almost 5 mph with no other changes. including leaving the...
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