Search



Go Back   Third Generation F-Body Message Boards > Tech Boards > Engine Swap
Register Forgot Password?

Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

Welcome to ThirdGen.org!
Welcome to ThirdGen.org.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, join the ThirdGen.org community today!


Reply
 
Thread Tools Search this Thread
Old 07-18-2002, 04:08 PM   #1
Senior Member
 
Join Date: Apr 2000
Location: Stillwater, OK
Posts: 1,154
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4

Classifieds Rating: (0)
Send a message via AIM to JMatlock88 Send a message via Yahoo to JMatlock88
HSR Hood clearance - Solving by lowering motor mounts?

Does anyone think it is reasonably possible to drop the motor mounts about 1/4" or so? One could do this by filling and redrilling or by ovalizing and welding in a washer inside.

I realize that as you move down, you're also moving inward due to the slope of the kmember. You would have to keep the lowering to a minimum so the clamshells will still line up.

This is I am trying my best to retain the stock formy hood, and I REALLY dont want to dent the supporting interior nor remove the heat shield. Anyone have any experience doing this or forsee any problems? There is over a 9/16" of clearance from pan to kmember. Thanks.
JMatlock88 is offline vBGarage Page   Reply With Quote
Old 07-18-2002, 05:42 PM   #2
Senior Member
 
Join Date: Jul 2000
Location: NJ
Posts: 568
Car: 89 formula
Engine: 383
Transmission: 700R4

Classifieds Rating: (0)
I dont think that 9/16 is enough measure the space from the hood support to the shell you need most if not all that space.I have a 89 formula with the stealth ram I cut the brace out under the hood right above the manifold and the stock hood closes.Its a close fit and there are no dents in the hood!

Last edited by e-man; 07-18-2002 at 05:47 PM.
e-man is offline vBGarage Page   Reply With Quote
Old 07-19-2002, 03:00 PM   #3
Senior Member
 
Join Date: Apr 2000
Location: Stillwater, OK
Posts: 1,154
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4

Classifieds Rating: (0)
Send a message via AIM to JMatlock88 Send a message via Yahoo to JMatlock88
I'm not wanting to cut up my hood. :nono: I will buy an aftermarket one before I butcher it up....just trying to find another way to remain stock outside! Any other suggestions/comments welcome. Thanks for the reply
JMatlock88 is offline vBGarage Page   Reply With Quote
Old 07-19-2002, 07:40 PM   #4
Suspended
 
Join Date: Jul 1999
Location: Other side of the paper fence
Posts: 10,197
Car: Race car
Engine: Internal Combustion
Transmission: Static

Classifieds Rating: (1)
I dont have one so I cant really comment accurately, but maybe its possible to cut the top of the base and realign the holes and stuff and lower it a little that way? It wouldnt be cheap, but would work. I'm sure cutting the fins would work too, if they are higher than both the TB and plenum.
madmax is offline vBGarage Page   Reply With Quote
Old 07-19-2002, 10:07 PM   #5
Senior Member
 
Join Date: Apr 2000
Location: Stillwater, OK
Posts: 1,154
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4

Classifieds Rating: (0)
Send a message via AIM to JMatlock88 Send a message via Yahoo to JMatlock88
Great input madmax! I think where the problem resides; however, is the slope of the hood is lowest at the front (the throttle body and front of the intake make contact I THINK) I'm a bit timid to slope or alter the base because that in itself would be changing the characteristics of the intake runners themselves. The fins are a good idea...I really need to put it on a lift to see what is making contact. I have a buddy who would mill the fins off for a fair price. Keep em coming. How to do the roadrace guys lower the motors in our cars? Specialty kmember?
JMatlock88 is offline vBGarage Page   Reply With Quote
Old 07-19-2002, 10:44 PM   #6
Suspended
 
Join Date: Jul 1999
Location: Other side of the paper fence
Posts: 10,197
Car: Race car
Engine: Internal Combustion
Transmission: Static

Classifieds Rating: (1)
That could be one way. Keep in mind if you do that, you are changing the driveshaft angle and you'll want to address that issue.
Another idea along the lines of modifying the plenum, a plate or mill the TB mounting area to change the TB angle to a downward direction.
madmax is offline vBGarage Page   Reply With Quote
Old 07-20-2002, 07:47 AM   #7
Senior Member
 
Join Date: Jul 2000
Location: NJ
Posts: 568
Car: 89 formula
Engine: 383
Transmission: 700R4

Classifieds Rating: (0)
The top two bolts that hold the T-body is what hits the hood,and if you lower the top of the base the T-body cable linkage will hit the fuel rail.
e-man is offline vBGarage Page   Reply With Quote
Old 07-20-2002, 11:33 AM   #8
ede
TGO Supporter
 
Join Date: Aug 1999
Location: Jackson County
Posts: 14,811

Classifieds Rating: (0)
Send a message via ICQ to ede
not sure what all would be effected by doing this, but if i were doing it, and i wanted a good structurally sound job here's how i'd do it. cut a hole where the mount goes ,box it in with 1x1x1/8 angle relocate the mounting flang of the bottom shell mount up on the body of it, use angle again. drill bolts holes as required and bolt it up. this would allow part of the calm shell to be inside the k member.
__________________
MM Black Diamond 538 F&AM

Ex quocumque facere poteris te sauciabit, nihilo comprehenso.

ICON Motorsports

S10 Manual Stearing Box 75$
ede is offline vBGarage Page   Reply With Quote
Old 07-21-2002, 12:00 AM   #9
Senior Member
 
Join Date: Apr 2000
Location: Stillwater, OK
Posts: 1,154
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4

Classifieds Rating: (0)
Send a message via AIM to JMatlock88 Send a message via Yahoo to JMatlock88
Quote:
The top two bolts that hold the T-body is what hits the hood,and if you lower the top of the base the T-body cable linkage will hit the fuel rail.
I think my whole TB hits the hood...the Lingenfelter housing is huge. :-(

Quote:
That could be one way. Keep in mind if you do that, you are changing the driveshaft angle and you'll want to address that issue.
The fulcrum (the trans mount) is at the very back, so I dont see the driveshaft angle changing much with just a quarter inch or so drop of the motor. I think dropping the mounts this much would be very similar to old sagging factory mounts.

Ede's idea is great about setting the mounts in deeper in the k-member. It wouldnt be able to be sunk an inch because the long bolt that goes through the mounts still needs to be accessable, but a 1/4 inch motor mount drop would definetly best be done this way. It would still retain the width perfectly.
JMatlock88 is offline vBGarage Page   Reply With Quote
Old 07-21-2002, 12:00 AM
ThirdGen
1992 Camaro




Paid Advertisement


Reply

Go Back   Third Generation F-Body Message Boards > Tech Boards > Engine Swap

Tags
big, block, clearance, engine, formula, hood, hsr, lowering, motor, mounts
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

 


1982 Camaro '82 || 1983 Camaro '83 || 1984 Camaro '84 || 1985 Camaro '85 || 1986 Camaro '86 || 1987 Camaro '87 || 1988 Camaro '88 || 1989 Camaro '89 || 1990 Camaro '90 || 1991 Camaro '91 || 1992 Camaro '92


All times are GMT -5. The time now is 03:18 PM.


Powered by vBulletin® Version 3.7.5
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
All content copyright 1997 - 2014 ThirdGen.org. All rights reserved. No part of this website may be reproduced without the expressed, documented, and written consent of ThirdGen.org's Administrators.

Emails & Contact Details