eke_zetec_RWD Posted September 26, 2007 Share Posted September 26, 2007 they wont give a fuk if your doing it to accomadate a v8. no need for a certed welder either. my escort has about 20mm of weld every 200mm on the seams.just dont do it infront of the front axle or behind the rear wheels. Quote Link to comment Share on other sites More sharing options...
Guest vvega Posted September 26, 2007 Share Posted September 26, 2007 ive seamed a few race cars mostly around suspenion points and where the rails meet the firewall and yeah if you dont have a clue dont bother or you car will never drive right Quote Link to comment Share on other sites More sharing options...
Jonny Posted September 26, 2007 Share Posted September 26, 2007 What about adding gussets(think thats the name can't remember off the top of my head) Around Suspension up front to stop the front twisting round then working something out for the back, half cage? or not keen to go that way? Quote Link to comment Share on other sites More sharing options...
Guest vvega Posted September 26, 2007 Share Posted September 26, 2007 its comon on excorts especially to add gussets from the firewall down onto the chassis rail and for the rest a good 3 point strut brace with good footings will do a good job depends on what your tring to acheve...chassis flex is not a bad thing if its the right sort Quote Link to comment Share on other sites More sharing options...
RT Posted September 26, 2007 Author Share Posted September 26, 2007 never heard of good chassis flex. What I'm trying to acheive is not twising up the chassis when lauched at the drags. Not concerned with cornering as it's mainly street/strip material. the underneath of the car is very simple, in fact, capris don't even have a 'chassis' as such. I was going to put gussets in as suggested, however this is apparently relevant to hard braking on the track as it supports the firewall from flexing foward by bacing agains the chassis rails.. I won't really be doing hard braking like that.. maybe seam weld the engine bay along the rails (won't see them when the V8 is in) and add a decent strut brace. ? Quote Link to comment Share on other sites More sharing options...
alfalfa Posted September 26, 2007 Share Posted September 26, 2007 depends on what your tring to acheve...chassis flex is not a bad thing if its the right sort its quite a well known alfa feature/joke, the chassis is designed to flex so that no matter the road surface, the car can bend around it and keep maximum tyre contact Some say thats what for suspension is for - me, i remain skeptical Quote Link to comment Share on other sites More sharing options...
Guest vvega Posted September 27, 2007 Share Posted September 27, 2007 for tortional twist i woudl look at atually adding 2 rails down the length of the car and adding some cross rails on the inside side to side and diagionaly most sheet metal places can bend you up a rail secion then you just cut and graft it into place done well it can look very factory and add a massive amount of torsonal rigitity a little flex helps you not break things a little flex means you dont have to have massive joints on your suspention etc same reason basically that sold mounted motors ripp off welded mounts while a small rubber bush on the same mount will prevent that from happening im sure you get the picture a ladder setup in the rear will also help Quote Link to comment Share on other sites More sharing options...
cubastreet Posted September 28, 2007 Share Posted September 28, 2007 I have a real good article on seam welding somewhere on my computer, tho unfortunately it's now in storage for a year. The article also said that drilling a hole in the door sills and pouring expanding foam in makes a huge difference. For the spot welds you don't need to use a spot welder. Just get one of those drills you use for cutting out spot welds, cut through the top layer and use a mig to fill in the hole. Then just grind flat and paint it and it can't be seen. Quote Link to comment Share on other sites More sharing options...
treggo Posted September 28, 2007 Share Posted September 28, 2007 RT yesterday I met a guy with a mk2 in hamilton. He is setting it up for a 302 and he has fully caged it and seam welded it. I have taken a couple of pics of his turreting and welding if you want to see it done. The only problem is they are are my phone so if you PM me your number and if you're o21 i can send them to you. If not I may be able to get him to email you some pictures. Quote Link to comment Share on other sites More sharing options...
kyteler Posted September 28, 2007 Share Posted September 28, 2007 The article also said that drilling a hole in the door sills and pouring expanding foam in makes a huge difference. That's a really nice recipe for rust. Quote Link to comment Share on other sites More sharing options...
cubastreet Posted September 29, 2007 Share Posted September 29, 2007 The article also said that drilling a hole in the door sills and pouring expanding foam in makes a huge difference. That's a really nice recipe for rust. = why i didnt do it. at least it wont make your car twisty. For a drag car or something thats garaged though it might be worthwhile. Quote Link to comment Share on other sites More sharing options...
Guest vvega Posted September 29, 2007 Share Posted September 29, 2007 partly because teh resign contains a oxidiseing agent....= chemical reaction to make rust happen might as well poor a mild acid in there and wait for the bang Quote Link to comment Share on other sites More sharing options...
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