Lot going on..questions about trans R/R, Motor Mounts, and full exhaust - Page 2 - ZR-1 Net Registry Forums

Corvette95 · 11-30-2020

It?s got less at than 30k on clutch, and since a dual mass isn?t available I don?t want to chance getting it out of balance.

A26B · 12-01-2020

Also, mark the driveshaft & differential before removing so it can be reinstalled in the same position.

Corvette95 · 12-02-2020

Alright, got all the 8 mm bolts off both sides of manifold heat shields but can't maneuver them off the manifold, FSM doesn't even mention them. How do I get them off, I have the motor mounts support cross members off....update..well it seems I mis-understood, I don't have to remove the heat shields prior to manifolds, just loosen them..if that is the case that's good but I don't see how anyone re-using the stock manifold gets those heat shield screws back in!

Corvette95 · 12-02-2020

I got the drivers heat shield off, can't for the life of me see how the passenger side comes off, can I get to the manifold bolts with the heat shield loose? I am at a stopping point for the day my helper had to cut out, I can see the motor mounts, looks like the passenger is cracked for sure, can't really tell yet...first two photos is drivers side, last two passenger.

Ccmano · 12-02-2020

They usually crack where the bolt goes horizontally through the rubber. Like I said, haven't seen one without broken mounts yet. The heat shield bolts require extreme patience. I assume you removed the wheel well inner panels for access?
H

Corvette95 · 12-03-2020

Quote:

Originally Posted by Ccmano

They usually crack where the bolt goes horizontally through the rubber. Like I said, haven't seen one without broken mounts yet. The heat shield bolts require extreme patience. I assume you removed the wheel well inner panels for access?
H

Yes, I removed the inner fenders. Today I hope to get the headers off. Did you need to reuse and header bolt spacers ( planning ahead) with the Mr. Gasket header bolt set? I am also trying to decide to use titanium heat wrap on the heaters instead of ceramic coating...cost and time is a factor.

Ccmano · 12-03-2020

The header bolts go on as is. They are designed to bite into the header flange with the serrations under the head of the bolts.
H

Corvette95 · 12-03-2020

Good Lord, I have to have taken the passenger header off incorrectly. There is no way it should have been that hard. Do these look like oem fasteners with the washers, plus I thought the factor used less bolts than this, how man of the Mr. Gaskets bolts go in..all? and what about the stud to the oil gallery, do I reuse the stock stud? Thanks

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A26B · 12-03-2020

Dynomite · 12-03-2020

Quote:

Originally Posted by A26B

Your Post #19.....In Post #6 of Solutions "Exhaust Systems"

11-30-2020	#11
Corvette95 Join Date: Jan 2006 Location: Decatur, AL Posts: 1,107	Re: Lot going on..questions about trans R/R, Motor Mounts, and full exhaust It?s got less at than 30k on clutch, and since a dual mass isn?t available I don?t want to chance getting it out of balance. __________________ Corvette95 Registry and Forum (*************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454

12-01-2020	#12
A26B Join Date: Dec 2003 Location: Arcadia,OK Posts: 3,376	Re: Lot going on..questions about trans R/R, Motor Mounts, and full exhaust Also, mark the driveshaft & differential before removing so it can be reinstalled in the same position. __________________ 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.

12-02-2020	#13
Corvette95 Join Date: Jan 2006 Location: Decatur, AL Posts: 1,107	Re: Lot going on..questions about trans R/R, Motor Mounts, and full exhaust Alright, got all the 8 mm bolts off both sides of manifold heat shields but can't maneuver them off the manifold, FSM doesn't even mention them. How do I get them off, I have the motor mounts support cross members off....update..well it seems I mis-understood, I don't have to remove the heat shields prior to manifolds, just loosen them..if that is the case that's good but I don't see how anyone re-using the stock manifold gets those heat shield screws back in! __________________ Corvette95 Registry and Forum (************) 1989 C4 Conv Wht/Gry Auto Hardtop Top Flight SOLD 1995 C4 Coupe Purple/Blk 6 Speed 1989 C4 Conv Wht/Red Auto SOLD 1996 C4 Conv Black/Tan Auto SOLD 1994 C4 Coupe Wht/Blk SOLD 1995 C4 ZR-1 White/Gry #278 Dual Dunn Head SOLD 1986 C4 Coupe Black/Red 4+3 SOLD 1990 C4 ZR-1 Red/Red #0454 Last edited by Corvette95; 12-02-2020 at 03:26 PM.*

12-02-2020	#15
Ccmano Join Date: Jun 2006 Location: Sparks, NV Posts: 2,852	Re: Lot going on..questions about trans R/R, Motor Mounts, and full exhaust They usually crack where the bolt goes horizontally through the rubber. Like I said, haven't seen one without broken mounts yet. The heat shield bolts require extreme patience. I assume you removed the wheel well inner panels for access? H __________________ 90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold.

12-03-2020	#17
Ccmano Join Date: Jun 2006 Location: Sparks, NV Posts: 2,852	Re: Lot going on..questions about trans R/R, Motor Mounts, and full exhaust The header bolts go on as is. They are designed to bite into the header flange with the serrations under the head of the bolts. H __________________ 90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold.