downshift2 Posted March 25, 2012 Report Share Posted March 25, 2012 i have a 1974 620 that i purchased 2 weeks ago it is runnig strong and solid but i would like to give it more hp's wat can i do to it ? has 1700cc on it. stock carb and a 5 speed transmission. :confused: Quote Link to comment
metalmonkey47 Posted March 25, 2012 Report Share Posted March 25, 2012 Welcome to Ratsun. Where are you at in Georgia? Good to see another GA 620 owner. L18 and a 5 speed? Good deal. Go for electronic ignition (not so much for power, but good for cold start/driving. Weber 32/36 DGAV carb or dual SU's. Should give you plenty more HP's. L18 is capable of a lot of top end power. You could always go for the larger L20B. Look in the 75(ish) and up 620's, 710's, etc. Bolt in 112HP stock. Quote Link to comment
crackerjack69 Posted March 25, 2012 Report Share Posted March 25, 2012 I'd say light cam, port'n polish head and intake, SU's, and electronic ignition :D Welcome to Ratsun, put up some pictures of your truck?... NOW!!!! lol. Quote Link to comment
downshift2 Posted March 25, 2012 Author Report Share Posted March 25, 2012 ok thanks guys is nice to be a part B) im in snellville g.a will put some pics up is not bad looking Quote Link to comment
metalmonkey47 Posted March 25, 2012 Report Share Posted March 25, 2012 very nice man! Was that one just on craigslist? Quote Link to comment
downshift2 Posted March 26, 2012 Author Report Share Posted March 26, 2012 yeah it was over by austell is great!!!! im trying to get some jdm review mirrors for it the ones it has are loose and dont stay in one position Quote Link to comment
sick620 Posted March 29, 2012 Report Share Posted March 29, 2012 welcome. cool truck, datsuns are rare out your way... Quote Link to comment
datzenmike Posted March 29, 2012 Report Share Posted March 29, 2012 Get a 4.625 rear end from an automatic '74 it's the most bang for the buck, performance wise. 32/36 Weber carb next most bang for the buck. Leave exhaust stock. (this won't be good for mileage) Quote Link to comment
downshift2 Posted April 1, 2012 Author Report Share Posted April 1, 2012 thanks sick620 i didnt know how rare they are down here i feel great that i actually own one Quote Link to comment
downshift2 Posted April 1, 2012 Author Report Share Posted April 1, 2012 thanks datzenmike ill have to research the parts up buy them and keep you guys posted on how its coming along Quote Link to comment
peanutbuttercups Posted April 1, 2012 Report Share Posted April 1, 2012 Welcome to ratsun l20 has 105 stock check out Sr20det motors that's my goal Quote Link to comment
downshift2 Posted April 1, 2012 Author Report Share Posted April 1, 2012 yeah bro mines to i was checking out some of the mount mods and there not that hard to do a sr20det will drop right in Quote Link to comment
datzenmike Posted April 1, 2012 Report Share Posted April 1, 2012 Yeah that's what everyone sez.... "drop right in". It's a heavy pig 2,700 lb truck. Need high pressure in tank fuel pump, EFI wiring, SR tranny to go with the motor, driveshaft shortened, custom oil pan, custom tranny mount, custom MMs, custom rad, good luck squeezing a turbo in there with torsion bars and one piece steering column and oh yeah the inter cooler pipes ...... in fact you will need to buy a tig welder there's so much custom one-off stuff to make. All this on a drum brake truck? I dun know.... maybe just drive it and have some fun. Quote Link to comment
downshift2 Posted April 1, 2012 Author Report Share Posted April 1, 2012 ok ohhhhh i didnt know all that man glad u said it hey about the ka24de? is that a tuff one too? :confused: Quote Link to comment
datzenmike Posted April 1, 2012 Report Share Posted April 1, 2012 Same but without the turbo, the IC and the plumbing. There's a better chance of you finishing it. Search for this swap info here. Quote Link to comment
downshift2 Posted April 1, 2012 Author Report Share Posted April 1, 2012 thanks alot man i guess ill just go with the suggestions you gave me and some of the suggestions other guys gave me B) Quote Link to comment
crackerjack69 Posted April 1, 2012 Report Share Posted April 1, 2012 You can get a built L20 to go pretty fast... Quote Link to comment
downshift2 Posted April 3, 2012 Author Report Share Posted April 3, 2012 o really those come in like the 77 and up? Quote Link to comment
downshift2 Posted April 21, 2012 Author Report Share Posted April 21, 2012 got some fender mirrors thanks metalmonkey for the link hope you guys like it nobady at my house did :sleep: and i will do some more and keep you post it im not that talented with cars so bare with me Quote Link to comment
metalmonkey47 Posted April 21, 2012 Report Share Posted April 21, 2012 Lookin good my man! Quote Link to comment
downshift2 Posted April 21, 2012 Author Report Share Posted April 21, 2012 thanks bro im just staring !!!1 Quote Link to comment
Slixon Posted April 21, 2012 Report Share Posted April 21, 2012 "drop right in" thats a good one!!! I remember Syclone's SR20 dropped right in....after like 6-8 months and coming over seeing him losing his fucking mind at times. Quote Link to comment
downshift2 Posted April 29, 2012 Author Report Share Posted April 29, 2012 lol well i thought it would man but shit went to a shop and that sucker with the sr transmission is huge man Quote Link to comment
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