Winter mods... - ZR-1 Net Registry Forums

RichS · 12-15-2016

Since the white stuff is piling up around us, I figured it's time to start the winter mods soon. I'm going to pull the motor to clean everything and port the heads, intake, injector housings, do the coolant bypass, headers, and a different catback to start. I've been reading a ton of posts but didn't see about the gaskets. Do you buy the gaskets oversized already or do you have to trim them? Is the throttle something to send out to have oversized as well? Most likely going to order the top end overhaul from Jerry's in a few days. I'd love to do the cams and was thinking about them since it's out but hard to get a idea on cost with the 4 cams and lifters. I've seen some regrinds for the $14-1600 range. What options are out there? Don't want to go to crazy yet..... maybe stroke it in a few years. I love the 397 I built in the GS. Thanks!!

A26B · 12-15-2016

Our gaskets have increased ports diameters which will eliminate the need for trimming if the port work matches the gaskets. It is recommended to use the gasket as a template.

Plenum Gaskets: read about port size
http://www.jerrysgaskets.com/gasket-...64-90-95-11d3/

Injector Housing Gaskets :read about port size
http://www.jerrysgaskets.com/gasket-...ng-90-95-11d4/

Depending on the port work style performed, if the bifurcation between the ports is removed, its a simple matter to use a pair of scissors to cut out the gasket center section with a straight cut tangent to the port o.d. of both ports.

XfireZ51 · 12-15-2016

If you are interested in cams, I would suggest:

1. Drive a ZR with that mod

2. Talk to Pete.

Vette73 · 12-15-2016

Actually drove a 95 a few weeks ago with ported top end,intake cams and stock heads and it was impressive, even with the stock heads...

Kevin · 12-15-2016

I've driven a fully ported 94-95 with headers gears and cams. It RIPPED!

Kevin · 12-15-2016

If you want to sell the pe exhaust let me know. I maybe interested

XfireZ51 · 12-15-2016

Quote:

Originally Posted by Vette73

Actually drove a 95 a few weeks ago with ported top end,intake cams and stock heads and it was impressive, even with the stock heads...

Nice combo made even better w ported heads. ~ 435rwhp

RichS · 12-15-2016

Quote:

Originally Posted by Kevin

If you want to sell the pe exhaust let me know. I maybe interested

I have it listed in the for sale area for $450

Kevin · 12-15-2016

Quote:

Originally Posted by RichS

I have it listed in the for sale area for $450

Guess I need to read that section more often!

RichS · 12-18-2016

Started to pull it apart today. Pulled the trans, clutch, cats, most of the top end. Found the vacuum line was disconnected and capped for the fuel pressure regulator by po? All the lines under the intake look good, Few more than the LT4

Need to start the since ya list.

12-15-2016	#1
RichS Join Date: Nov 2013 Location: Wilkes-Barre, PA Posts: 148	Winter mods... Since the white stuff is piling up around us, I figured it's time to start the winter mods soon. I'm going to pull the motor to clean everything and port the heads, intake, injector housings, do the coolant bypass, headers, and a different catback to start. I've been reading a ton of posts but didn't see about the gaskets. Do you buy the gaskets oversized already or do you have to trim them? Is the throttle something to send out to have oversized as well? Most likely going to order the top end overhaul from Jerry's in a few days. I'd love to do the cams and was thinking about them since it's out but hard to get a idea on cost with the 4 cams and lifters. I've seen some regrinds for the $14-1600 range. What options are out there? Don't want to go to crazy yet..... maybe stroke it in a few years. I love the 397 I built in the GS. Thanks!! __________________ 1994 ZR-1 #198, sold [img]https://live.staticflickr.com/65535/48400173802_2a6f122cfb_n.jpg[/IMG] [COLOR=RoyalBlue]96 GrandSport#857[/COLOR],[COLOR=Red]Red Gut[/COLOR] 397 LT4, AFR heads,3:90 gears, DRM longtubes, Sepanek 700R4, Yank 3600, bla-bla... Best ET w/396 & 6-speed 11.02 @126.57 w/1.60 60' Best ET w/396 & 700r4 10.82 @124.87 w/1.48 60' 2003 DarkShadowGray Ford Lightning 460rwhp/550rwtq 12.11 @112.18 w/1.71 60'

12-15-2016	#2
A26B Join Date: Dec 2003 Location: Arcadia,OK Posts: 3,373	Re: Winter mods... Our gaskets have increased ports diameters which will eliminate the need for trimming if the port work matches the gaskets. It is recommended to use the gasket as a template. Plenum Gaskets: read about port size http://www.jerrysgaskets.com/gasket-...64-90-95-11d3/ Injector Housing Gaskets :read about port size http://www.jerrysgaskets.com/gasket-...ng-90-95-11d4/ Depending on the port work style performed, if the bifurcation between the ports is removed, its a simple matter to use a pair of scissors to cut out the gasket center section with a straight cut tangent to the port o.d. of both ports. __________________ Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 *ZR-1*, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed.

12-15-2016	#3
XfireZ51 Join Date: May 2007 Location: Chicagoland, IL Posts: 9,669	Re: Winter mods... If you are interested in cams, I would suggest: 1. Drive a ZR with that mod 2. Talk to Pete. __________________ [SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX

12-15-2016	#4
Vette73 Join Date: Nov 2014 Location: Brooklyn ny Posts: 1,045	Re: Winter mods... Actually drove a 95 a few weeks ago with ported top end,intake cams and stock heads and it was impressive, even with the stock heads...

12-15-2016	#5
Kevin Join Date: Jun 2005 Location: pittsburgh Posts: 4,633	Re: Winter mods... I've driven a fully ported 94-95 with headers gears and cams. It RIPPED! __________________ It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B"

12-15-2016	#6
Kevin Join Date: Jun 2005 Location: pittsburgh Posts: 4,633	Re: Winter mods... If you want to sell the pe exhaust let me know. I maybe interested __________________ It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B"

12-18-2016	#10
RichS Join Date: Nov 2013 Location: Wilkes-Barre, PA Posts: 148	Re: Winter mods... Started to pull it apart today. Pulled the trans, clutch, cats, most of the top end. Found the vacuum line was disconnected and capped for the fuel pressure regulator by po? All the lines under the intake look good, Few more than the LT4 Need to start the since ya list. __________________ 1994 ZR-1 #198, sold [img]https://live.staticflickr.com/65535/48400173802_2a6f122cfb_n.jpg[/IMG] [COLOR=RoyalBlue]96 GrandSport#857[/COLOR],[COLOR=Red]Red Gut[/COLOR] 397 LT4, AFR heads,3:90 gears, DRM longtubes, Sepanek 700R4, Yank 3600, bla-bla... Best ET w/396 & 6-speed 11.02 @126.57 w/1.60 60' Best ET w/396 & 700r4 10.82 @124.87 w/1.48 60' 2003 DarkShadowGray Ford Lightning 460rwhp/550rwtq 12.11 @112.18 w/1.71 60'